# Drills — B2B Industrial Specification Monograph | Newtech Sources Co., Ltd.

> HSS twist drills, cobalt bits, masonry impact drills, SDS hammer drills, and woodworking bits.

## 1. Category Procurement & Engineering Summary
- **Manufacturer**: Newtech Sources Co., Ltd. (Founded 1998, Guangzhou, China · Tax ID / USCC: 914401067124673119)
- **Canonical Category Hub**: https://newtech-sources.com/products/category/drills
- **Active Series in Category**: 16 published industrial product series
- **Engineering Tolerance Benchmark**: Engineered to DIN 8039 / DIN 338 / ASME B94.11M flute concentricity and shank dimensional tolerances
- **OEM / ODM Policy**: Process-by-requirement custom dimensions, alloy/bond formulation, laser marking, and private-label packaging
- **Quality Verification**: 100% Pre-Shipment Dimensional & Visual Inspection prior to dispatch
- **Port of Loading**: Flexible FOB & mixed-container consolidation from any port in China
- **Direct RFQ Endpoint**: https://newtech-sources.com/contact | Email: sales@newtech-sources.com
- **Parent Summary Index**: https://newtech-sources.com/llms.txt

## 2. Quick Comparison Matrix

| Model / SKU | Product Series | Dimensional / Key Summary | MOQ | Canonical URL |
| --- | --- | --- | --- | --- |
| NT-DRL-116 | SDS-Plus & SDS-Max Cross-Head (4-Cutter) Heavy-Duty Rotary Hammer Drill Bit | 6.0mm (15/64") to 450mm (17-3/4") (6.0mm (15/64"), 160mm (6-5/16"), 8.0mm (5/16"), 10.0mm (25/64"), 210mm (8-1/4"), 12.0mm (15/32"), …) | 100 Pcs | https://newtech-sources.com/products/sds-plus-sds-max-cross-head-rotary-hammer-drill-bit |
| NT-DRL-115 | DIN 8039 Tungsten Carbide Tipped (TCT) Masonry & Concrete Impact Drill Bit | 5.0mm (3/16") to 12.0mm (15/32") (5.0mm (3/16"), 85mm (3-3/8"), 6.0mm (15/64"), 100mm (4"), 8.0mm (5/16"), 120mm (4-3/4"), …) | 200 Pcs | https://newtech-sources.com/products/din8039-tungsten-carbide-tipped-masonry-impact-drill-bit |
| NT-DRL-110 | HSS Silver & Deming 1/2" (12.7mm) Reduced Shank Drill Bit | 9/16" (14.29mm) to 1" (25.40mm) (9/16" (14.29mm), 6" (152mm), 5/8" (15.88mm), 3/4" (19.05mm), 7/8" (22.23mm), 1" (25.40mm)) | 100 Pcs | https://newtech-sources.com/products/hss-silver-and-deming-reduced-shank-drill-bit-half-inch |
| NT-DRL-102 | ASME B94.11M HSS Jobber Length Straight Shank Twist Drill Bit | 1/8" (3.18mm) to 4-1/2" (114mm) (1/8" (3.18mm), 2-3/4" (70mm), 1-7/16" (37mm), 3/16" (4.76mm), 3-1/2" (89mm), 2-5/16" (59mm), …) | 200 Pcs | https://newtech-sources.com/products/asme-b94-11m-hss-jobber-length-straight-shank-twist-drill |
| NT-DRL-101 | DIN 338 Fully Ground HSS Twist Drill Bit (Bright Finish) | 3.0mm (1/8") to 101mm (4") (3.0mm (1/8"), 61mm (2-3/8"), 33mm (1-5/16"), 5.0mm (13/64"), 86mm (3-3/8"), 52mm (2-1/16"), …) | 200 Pcs | https://newtech-sources.com/products/din338-fully-ground-hss-twist-drill-bit-bright-finish |
| NT-DRL-107 | DIN 345 Morse Taper Shank (MT1–MT5) Heavy-Duty HSS Drill Bit | 14.0mm (35/64") to 200mm (7-7/8") (14.0mm (35/64"), 189mm (7-7/16"), 108mm (4-1/4"), 20.0mm (25/32"), 238mm (9-3/8"), 140mm (5-1/2"), …) | 50 Pcs | https://newtech-sources.com/products/din345-morse-taper-shank-heavy-duty-hss-drill-bit |
| NT-DRL-103 | DIN 1897 HSS Stubby (Short Flute) Drill Bit for Sheet Metal & Automotive | 3.0mm (1/8") to 37mm (1-7/16") (3.0mm (1/8"), 46mm (1-13/16"), 16mm (5/8"), 4.0mm (5/32"), 55mm (2-3/16"), 22mm (7/8"), …) | 300 Pcs | https://newtech-sources.com/products/din1897-hss-stubby-drill-bit-for-sheet-metal-and-automotive |
| NT-DRL-109 | HSS Double-Ended Sheet Metal & Rivet Hole Drill Bit | 3.2mm (1/8") to 17mm (11/16") each end (3.2mm (1/8"), 49mm (1-15/16"), 11mm (7/16") each end, 4.0mm (5/32"), 55mm (2-3/16"), 14mm (9/16") each end, …) | 500 Pcs | https://newtech-sources.com/products/hss-double-ended-sheet-metal-rivet-drill-bit |
| NT-DRL-113 | 1/4" Quick-Change Hex Shank Brad Point Drill Bit for Wood | 4.0mm (5/32") to 120mm (4-3/4") (4.0mm (5/32"), 85mm (3-3/8"), 6.0mm (15/64"), 95mm (3-3/4"), 8.0mm (5/16"), 105mm (4-1/8"), …) | 300 Pcs | https://newtech-sources.com/products/quick-change-hex-shank-woodworking-brad-point-drill-bit |
| NT-DRL-112 | 1/4" Quick-Change Hex Shank HSS Impact Drill Bit for Metal | 3.0mm (1/8") to 133mm (5-1/4") (3.0mm (1/8"), 80mm (3-1/8"), 4.5mm (11/64"), 95mm (3-3/4"), 6.5mm (1/4"), 105mm (4-1/8"), …) | 300 Pcs | https://newtech-sources.com/products/quick-change-hex-shank-impact-drill-bit-for-metal |
| NT-DRL-105 | DIN 340 HSS Long-Length Straight Shank Twist Drill Bit | 4.0mm (5/32") to 121mm (4-3/4") (4.0mm (5/32"), 119mm (4-11/16"), 78mm (3-1/16"), 6.0mm (15/64"), 139mm (5-1/2"), 91mm (3-9/16"), …) | 100 Pcs | https://newtech-sources.com/products/din340-hss-long-length-straight-shank-twist-drill-bit |
| NT-DRL-111 | HSS Aircraft Extension Drill Bit (6" & 12" Long Reach) | 1/8" (3.18mm) to 3-5/8" (92mm) (1/8" (3.18mm), 1-7/16" (37mm), 3/16" (4.76mm), 2-5/16" (59mm), 1/4" (6.35mm), 2-3/4" (70mm), …) | 150 Pcs | https://newtech-sources.com/products/hss-aircraft-extension-drill-bit-6-inch-12-inch |
| NT-DRL-114 | Professional Chrome-Vanadium Woodworking Brad Point Drill Bit Series | 5.0mm (13/64") to 101mm (4") (5.0mm (13/64"), 85mm (3-3/8"), 52mm (2-1/16"), 8.0mm (5/16"), 117mm (4-5/8"), 75mm (2-15/16"), …) | 200 Pcs | https://newtech-sources.com/products/professional-woodworking-brad-point-drill-bit-set |
| NT-DRL-108 | DIN 341 Extra-Long Morse Taper Shank Heavy-Duty HSS Drill Bit | 15.0mm (19/32") to 220mm (8-11/16") (15.0mm (19/32"), 267mm (10-1/2"), 160mm (6-5/16"), 20.0mm (25/32"), 294mm (11-9/16"), 181mm (7-1/8"), …) | 30 Pcs | https://newtech-sources.com/products/din341-extra-long-morse-taper-shank-hss-drill-bit |
| NT-DRL-104 | ASME B94.11M Screw Machine Length Stubby HSS Drill Bit | 1/8" (3.18mm) to 1-13/16" (46mm) (1/8" (3.18mm), 1-7/8" (48mm), 7/8" (22mm), 1/4" (6.35mm), 2-1/2" (64mm), 1-3/8" (35mm), …) | 300 Pcs | https://newtech-sources.com/products/asme-b94-11m-screw-machine-length-stubby-drill-bit |
| NT-DRL-106 | ASME B94.11M Taper Length Straight Shank HSS Drill Bit | 1/4" (6.35mm) to 5-1/4" (133mm) (1/4" (6.35mm), 5-1/8" (130mm), 3-3/8" (86mm), 3/8" (9.53mm), 6-1/4" (159mm), 4-1/4" (108mm), …) | 150 Pcs | https://newtech-sources.com/products/asme-b94-11m-taper-length-straight-shank-hss-drill |

## 3. Detailed Technical Specifications (16 Series)

### 3.1 SDS-Plus & SDS-Max Cross-Head (4-Cutter) Heavy-Duty Rotary Hammer Drill Bit (NT-DRL-116)
- **Canonical URL**: https://newtech-sources.com/products/sds-plus-sds-max-cross-head-rotary-hammer-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/sds-plus-sds-max-cross-head-rotary-hammer-drill-bit.txt
- **Model / SKU**: NT-DRL-116
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 100 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=SDS-Plus%20%26%20SDS-Max%20Cross-Head%20(4-Cutter)%20Heavy-Duty%20Rotary%20Hammer%20Drill%20Bit%20(NT-DRL-116)

**Overview**: Built for heavy civil engineering, industrial construction, and structural anchor installation. The solid carbide cross-head (4-cutter) geometry ensures continuous round hole concentricity and prevents drill jamming when striking internal rebar. High-volume twin/quadruple helical dust grooves evacuate pulverized concrete debris instantly, dramatically reducing thermal buildup and vibration. 100% pre-shipment tested. Available in SDS-Plus (10mm shank) and SDS-Max (18mm shank) across lengths up to 1000mm (39"). FOB delivery from any port in China.

**Engineering Highlights**:
- Solid carbide 4-cutter cross head eliminates jamming when hitting rebar
- Compatible with all SDS-Plus (10mm) and SDS-Max (18mm) rotary hammer machines
- Twin/quad spiral flutes evacuate pulverized debris with maximum velocity
- Heat-treated 40Cr alloy body dampens vibration and resists high percussion fatigue
- Available in overall lengths from 110mm (4-1/3") up to 1000mm (39")

**Target Materials & Applications**: Reinforced concrete, bridge decks, and pre-cast concrete pillars, Granite, hard basalt, engineered stone, and structural masonry, Mechanical anchor setting and chemical rebar doweling

**Technical Specifications**:
| size | model | shank | length |
| --- | --- | --- | --- |
| 6.0mm (15/64") | NT-DRL-116-06160 | SDS-Plus | 160mm (6-5/16") |
| 8.0mm (5/16") | NT-DRL-116-08160 | SDS-Plus | 160mm (6-5/16") |
| 10.0mm (25/64") | NT-DRL-116-10210 | SDS-Plus | 210mm (8-1/4") |
| 12.0mm (15/32") | NT-DRL-116-12260 | SDS-Plus | 260mm (10-1/4") |
| 16.0mm (5/8") | NT-DRL-116-16310 | SDS-Plus | 310mm (12-3/16") |
| 20.0mm (25/32") | NT-DRL-116-20450 | SDS-Max | 450mm (17-3/4") |

| Parameter | Specification |
| --- | --- |
| Shank Drive | SDS-Plus (10mm) & SDS-Max (18mm Heavy-Duty) |
| Head Configuration | Solid Carbide 4-Cutter Cross Head |
| Carbide Grade | Micrograin YG8C / K10 Tungsten Carbide |
| Diameter Range | 4.0mm – 40.0mm (5/32" – 1-9/16") |
| Overall Lengths | 110mm, 160mm, 210mm, 310mm, 450mm, 1000mm |

### 3.2 DIN 8039 Tungsten Carbide Tipped (TCT) Masonry & Concrete Impact Drill Bit (NT-DRL-115)
- **Canonical URL**: https://newtech-sources.com/products/din8039-tungsten-carbide-tipped-masonry-impact-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din8039-tungsten-carbide-tipped-masonry-impact-drill-bit.txt
- **Model / SKU**: NT-DRL-115
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 200 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%208039%20Tungsten%20Carbide%20Tipped%20(TCT)%20Masonry%20%26%20Concrete%20Impact%20Drill%20Bit%20(NT-DRL-115)

**Overview**: Engineered for contractors and trade professionals requiring reliable percussion drilling in masonry and concrete. The YG8C carbide cutter is vacuum copper-brazed at over 1,100°C to withstand severe impact cycles without detaching. Features rolled or milled flutes with shot-peened or chrome-plated surfaces to prevent corrosion and accelerate rock dust expulsion. 100% pre-shipment tested. Available in straight round shank, 3-flat shank, and 1/4" hex shank. FOB shipment from any port in China.

**Engineering Highlights**:
- DIN 8039 / ISO 5468 standard compliance for masonry impact drilling
- Premium YG8C tungsten carbide cutter brazed at 1100°C for extreme durability
- Wide U-flute or L-flute design clears heavy concrete dust rapidly
- Available in Round Shank, 3-Flat Anti-Slip Shank, and 1/4" Hex Shank
- Corrosion-resistant sandblasted, zinc-plated, or chrome finishes

**Target Materials & Applications**: Brick walls, hollow clay tiles, and aerated concrete blocks, Lightweight stone, mortar, plaster, and screed drilling, Anchor bolt, plastic wall plug, and conduit clip installations

**Technical Specifications**:
| size | model | shank | length |
| --- | --- | --- | --- |
| 5.0mm (3/16") | NT-DRL-115-050 | Round | 85mm (3-3/8") |
| 6.0mm (15/64") | NT-DRL-115-060 | Round | 100mm (4") |
| 8.0mm (5/16") | NT-DRL-115-080 | Round | 120mm (4-3/4") |
| 10.0mm (25/64") | NT-DRL-115-100 | Round | 150mm (6") |
| 12.0mm (15/32") | NT-DRL-115-120 | Round | 150mm (6") |

| Parameter | Specification |
| --- | --- |
| Standard | DIN 8039 / ISO 5468 |
| Tip Material | YG8C Tungsten Carbide Tip |
| Body Material | 40Cr Chrome Alloy Steel Body |
| Brazing Method | High-Temperature Copper Brazing (>1100°C) |
| Diameter Range | 3.0mm – 25.0mm (1/8" – 1") |

### 3.3 HSS Silver & Deming 1/2" (12.7mm) Reduced Shank Drill Bit (NT-DRL-110)
- **Canonical URL**: https://newtech-sources.com/products/hss-silver-and-deming-reduced-shank-drill-bit-half-inch
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/hss-silver-and-deming-reduced-shank-drill-bit-half-inch.txt
- **Model / SKU**: NT-DRL-110
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 100 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=HSS%20Silver%20%26%20Deming%201%2F2%22%20(12.7mm)%20Reduced%20Shank%20Drill%20Bit%20(NT-DRL-110)

**Overview**: Silver & Deming (S&D) drills expand the working capacity of standard 1/2" chuck drill presses, magnetic drills, and heavy-duty portable drills. Precision engineered with a uniform 6" (152mm) overall length and 3" (76mm) flute length, featuring a 1/2" turned-down shank with three drive flats to eliminate chuck spinning under high torque. 100% pre-shipment tested. Available in black oxide, black & bright, or TiN finishes. FOB delivery from any port in China.

**Engineering Highlights**:
- Uniform 1/2" (12.7mm) reduced shank fits standard 1/2" portable drill chucks
- 3-flat shank profile prevents drill slippage under extreme rotary torque
- Fixed 6" (152mm) overall length and 3" (76mm) flute length for balanced leverage
- 118° split point penetrates thick steel without center punching
- Forged and ground from premium HSS 4341 / M2 with steam oxide or two-tone finish

**Target Materials & Applications**: Magnetic base drills, 1/2" handheld industrial drills, and pillar presses, Large-diameter hole drilling in structural I-beams, truck frames, and farm machinery, Heavy equipment modification and field maintenance

**Technical Specifications**:
| size | model | shank | length |
| --- | --- | --- | --- |
| 9/16" (14.29mm) | NT-DRL-110-916 | 1/2" | 6" (152mm) |
| 5/8" (15.88mm) | NT-DRL-110-58 | 1/2" | 6" (152mm) |
| 3/4" (19.05mm) | NT-DRL-110-34 | 1/2" | 6" (152mm) |
| 7/8" (22.23mm) | NT-DRL-110-78 | 1/2" | 6" (152mm) |
| 1" (25.40mm) | NT-DRL-110-100 | 1/2" | 6" (152mm) |

| Parameter | Specification |
| --- | --- |
| Standard | Silver & Deming (S&D) 1/2" Shank |
| Shank Diameter | 1/2" (12.70mm) with 3 Driving Flats |
| Overall Length | 6" (152.4mm) Constant |
| Flute Length | 3" (76.2mm) Constant |
| Point Angle | 118° Heavy-Duty Split Point |

### 3.4 ASME B94.11M HSS Jobber Length Straight Shank Twist Drill Bit (NT-DRL-102)
- **Canonical URL**: https://newtech-sources.com/products/asme-b94-11m-hss-jobber-length-straight-shank-twist-drill
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/asme-b94-11m-hss-jobber-length-straight-shank-twist-drill.txt
- **Model / SKU**: NT-DRL-102
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 200 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=ASME%20B94.11M%20HSS%20Jobber%20Length%20Straight%20Shank%20Twist%20Drill%20Bit%20(NT-DRL-102)

**Overview**: Engineered for North American and global contractors requiring ASME B94.11M jobber length standards. The thermal black oxide surface treatment retains cutting fluid, drastically reduces frictional heat, and prevents chip galling. Available across fractional, wire gauge (#1–#80), and letter sizes (A–Z). 100% pre-shipment tested for concentricity and flute pitch. Process by requirement with custom packaging (bulk pack, pouch, or index cassette). FOB delivery from any port in China.

**Engineering Highlights**:
- Strict compliance with North American ASME / ANSI B94.11M specifications
- Steam-tempered black oxide surface treatment for enhanced chip flow and coolant retention
- Available in Fractional (1/64"–1/2"), Letter (A–Z), and Wire Gauge (#1–#80) sizes
- Forged from premium HSS 4341 / M2 steel with 63–65 HRC hardness
- 118° standard chisel edge or 135° heavy-duty split point configurations

**Target Materials & Applications**: Production drilling in sheet metal, structural steel, and ductile iron, General maintenance, repair, and MRO procurement programs, Handheld pneumatic and electric drills, stationary drill presses

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 1/8" (3.18mm) | NT-DRL-102-18 | 2-3/4" (70mm) | 1-7/16" (37mm) |
| 3/16" (4.76mm) | NT-DRL-102-316 | 3-1/2" (89mm) | 2-5/16" (59mm) |
| 1/4" (6.35mm) | NT-DRL-102-14 | 4" (102mm) | 2-3/4" (70mm) |
| 3/8" (9.53mm) | NT-DRL-102-38 | 5" (127mm) | 3-5/8" (92mm) |
| 1/2" (12.70mm) | NT-DRL-102-12 | 6" (152mm) | 4-1/2" (114mm) |

| Parameter | Specification |
| --- | --- |
| Standard | ASME B94.11M / ANSI Jobber Length |
| Material Grade | HSS 4341 / M2 (6542) |
| Finish | Black Oxide Steam Tempered |
| Point Angle | 118° Heavy-Duty Chisel or 135° Split Point |
| Size System | North American Fractional & Letter / Wire |
| Diameter Range | 1/16" – 1/2" (1.58mm – 12.7mm) |

### 3.5 DIN 338 Fully Ground HSS Twist Drill Bit (Bright Finish) (NT-DRL-101)
- **Canonical URL**: https://newtech-sources.com/products/din338-fully-ground-hss-twist-drill-bit-bright-finish
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din338-fully-ground-hss-twist-drill-bit-bright-finish.txt
- **Model / SKU**: NT-DRL-101
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 200 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%20338%20Fully%20Ground%20HSS%20Twist%20Drill%20Bit%20(Bright%20Finish)%20(NT-DRL-101)

**Overview**: Manufactured from premium HSS 4241 / 4341 / M2 high-speed steel, this DIN 338 fully ground twist drill features precision-ground spiral flutes for rapid swarf clearance, tight diameter tolerances (h8), and heavy-duty 135° split-point geometry. 100% pre-shipment dimensional inspection ensures smooth, burr-free hole coring across structural steel, cast iron, and non-ferrous alloys. Processed by requirement with customized coatings (TiN, TiAlN) and custom length specifications. FOB delivery available from any port in China.

**Engineering Highlights**:
- DIN 338 standard cylindrical straight shank with h8 tolerance
- 135° split point eliminates drill walking without center punching
- Precision-ground parabolic flutes for optimized chip evacuation
- Available in HSS 4241, 4341, M2 (6542), and M35 5% Cobalt
- Full Metric (0.5mm–20.0mm) and Imperial (1/64"–1/2") size range

**Target Materials & Applications**: Carbon steel, alloy steel, and die steel drilling, Grey and ductile cast iron components, Aluminum, brass, copper, and non-ferrous metals, Industrial fabrication, CNC machining centers, and drill presses

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 3.0mm (1/8") | NT-DRL-101-030 | 61mm (2-3/8") | 33mm (1-5/16") |
| 5.0mm (13/64") | NT-DRL-101-050 | 86mm (3-3/8") | 52mm (2-1/16") |
| 8.0mm (5/16") | NT-DRL-101-080 | 117mm (4-5/8") | 75mm (2-15/16") |
| 10.0mm (25/64") | NT-DRL-101-100 | 133mm (5-1/4") | 87mm (3-7/16") |
| 13.0mm (1/2") | NT-DRL-101-130 | 151mm (6") | 101mm (4") |

| Parameter | Specification |
| --- | --- |
| Manufacturing Standard | DIN 338 RN / ANSI B94.11M |
| Material Grade | HSS 4241 / 4341 / M2 (6542) / M35 Cobalt |
| Point Angle | 118° Standard or 135° Split Point |
| Flute Type | Right-Hand Spiral Type N Fully Ground |
| Surface Treatment | Bright Finish (Polished White) |
| Hardness | 62 – 65 HRC (M2: 63–65 HRC) |
| Diameter Range | 1.0mm – 16.0mm (1/16" – 5/8") |

### 3.6 DIN 345 Morse Taper Shank (MT1–MT5) Heavy-Duty HSS Drill Bit (NT-DRL-107)
- **Canonical URL**: https://newtech-sources.com/products/din345-morse-taper-shank-heavy-duty-hss-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din345-morse-taper-shank-heavy-duty-hss-drill-bit.txt
- **Model / SKU**: NT-DRL-107
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%20345%20Morse%20Taper%20Shank%20(MT1%E2%80%93MT5)%20Heavy-Duty%20HSS%20Drill%20Bit%20(NT-DRL-107)

**Overview**: Engineered for high-torque drilling in heavy structural engineering, shipbuilding, and industrial fabrication. The precision-machined Morse taper shank locks directly into machine spindles without slipping under extreme feed pressures. Features a reinforced web core, steam-tempered black oxide finish, and heavy-duty chisel edge. 100% pre-shipment tested for runout and taper angle. Processed by requirement with MT1, MT2, MT3, MT4, and MT5 tangs. FOB delivery from any port in China.

**Engineering Highlights**:
- DIN 345 precision Morse taper shank (MT1, MT2, MT3, MT4, MT5) eliminates chuck slippage
- Reinforced heavy web core for maximum torsional resistance in thick steel sections
- Steam-tempered black oxide finish prevents chip adhesion and reduces wear
- Wide diameter availability from 10.0mm (25/64") up to 60.0mm (2-3/8")
- Tang drive complies with ISO 296 / DIN 228 form B machine spindles

**Target Materials & Applications**: Radial drill presses, pillar drills, and boring machines, Shipbuilding, steel girder bridges, and pressure vessel fabrication, Lathe tailstock hole drilling in alloy shafts and forgings

**Technical Specifications**:
| size | model | taper | length | fluteLength |
| --- | --- | --- | --- | --- |
| 14.0mm (35/64") | NT-DRL-107-140 | MT1 | 189mm (7-7/16") | 108mm (4-1/4") |
| 20.0mm (25/32") | NT-DRL-107-200 | MT2 | 238mm (9-3/8") | 140mm (5-1/2") |
| 25.0mm (63/64") | NT-DRL-107-250 | MT3 | 281mm (11-1/16") | 160mm (6-5/16") |
| 32.0mm (1-1/4") | NT-DRL-107-320 | MT4 | 334mm (13-1/8") | 185mm (7-5/16") |
| 40.0mm (1-9/16") | NT-DRL-107-400 | MT4 | 349mm (13-3/4") | 200mm (7-7/8") |

| Parameter | Specification |
| --- | --- |
| Standard | DIN 345 / ISO 296 / DIN 228-B |
| Material Grade | HSS 4341 / HSS M2 (6542) / HSS-Co M35 |
| Shank Taper | Morse Taper MT1 to MT5 with Tang Drive |
| Diameter Range | 10.0mm – 60.0mm (25/64" – 2-3/8") |
| Point Angle | 118° Standard Heavy-Duty Point |

### 3.7 DIN 1897 HSS Stubby (Short Flute) Drill Bit for Sheet Metal & Automotive (NT-DRL-103)
- **Canonical URL**: https://newtech-sources.com/products/din1897-hss-stubby-drill-bit-for-sheet-metal-and-automotive
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din1897-hss-stubby-drill-bit-for-sheet-metal-and-automotive.txt
- **Model / SKU**: NT-DRL-103
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 300 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%201897%20HSS%20Stubby%20(Short%20Flute)%20Drill%20Bit%20for%20Sheet%20Metal%20%26%20Automotive%20(NT-DRL-103)

**Overview**: DIN 1897 stubby drills feature an abbreviated flute length that delivers superior rigidity, preventing drill deflection and premature breakage in handheld pneumatic drills, auto-body repair shops, and multi-spindle automatic screw machines. Featuring 135° split points, these bits penetrate thin sheet metals and tubing without snagging or deforming thin materials. 100% pre-shipment tested. Available in bright, black oxide, or amber cobalt finishes. Flexible delivery from any port in China.

**Engineering Highlights**:
- DIN 1897 stub length offers maximum structural rigidity under radial loads
- 135° split point design cuts clean holes in curved sheet metal and automotive panels
- Short flutes prevent chatter and drill deflection in automatic screw machines
- Premium HSS 4341 / M2 / M35 Cobalt substrate options
- Direct OEM packaging in polybags, plastic hanging boxes, or custom branded cards

**Target Materials & Applications**: Automotive body repair, panel rivet hole preparation, Aircraft skin and structural aluminum sheet coring, Pneumatic handheld drilling on industrial assembly lines

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 3.0mm (1/8") | NT-DRL-103-030 | 46mm (1-13/16") | 16mm (5/8") |
| 4.0mm (5/32") | NT-DRL-103-040 | 55mm (2-3/16") | 22mm (7/8") |
| 5.0mm (13/64") | NT-DRL-103-050 | 62mm (2-7/16") | 26mm (1") |
| 8.0mm (5/16") | NT-DRL-103-080 | 79mm (3-1/8") | 37mm (1-7/16") |

| Parameter | Specification |
| --- | --- |
| Standard | DIN 1897 (Stub Length) |
| Material Grade | HSS 4341 / M2 / M35 (Cobalt) |
| Point Angle | 135° Self-Centering Split Point |
| Diameter Range | 1.0mm – 13.0mm (1/16" – 1/2") |
| Flute Length Ratio | Approx. 50% shorter than DIN 338 |

### 3.8 HSS Double-Ended Sheet Metal & Rivet Hole Drill Bit (NT-DRL-109)
- **Canonical URL**: https://newtech-sources.com/products/hss-double-ended-sheet-metal-rivet-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/hss-double-ended-sheet-metal-rivet-drill-bit.txt
- **Model / SKU**: NT-DRL-109
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 500 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=HSS%20Double-Ended%20Sheet%20Metal%20%26%20Rivet%20Hole%20Drill%20Bit%20(NT-DRL-109)

**Overview**: Engineered for maximum cost efficiency in high-volume sheet metal assembly, the double-ended design provides two active cutting heads on a single short flute body. When one side dulls, simply reverse the bit in the chuck for instant resumption of work. The heavy web core and 135° split point prevent breakthrough burrs and snagging in thin sheet steel, brass, and plastics. 100% pre-shipment inspected. Processed by requirement with custom packaging options. Flexible delivery from any port in China.

**Engineering Highlights**:
- Double-ended cutting tips double tool service life per unit cost
- Short flutes and rigid web eliminate drill chatter and breakage in thin sheet
- 135° split point pierces instantly without walking or center punch marks
- Available in fractional (1/8", 3/16", 1/4") and metric (3.0mm–6.5mm) sizes
- Premium HSS 4341 / M2 alloy steel with bright polished or amber finish

**Target Materials & Applications**: Automotive bodywork, pop-rivet and blind-rivet hole drilling, HVAC sheet metal ductwork and roofing cladding installations, Electrical control box and enclosure knockouts and assembly

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 3.2mm (1/8") | NT-DRL-109-032 | 49mm (1-15/16") | 11mm (7/16") each end |
| 4.0mm (5/32") | NT-DRL-109-040 | 55mm (2-3/16") | 14mm (9/16") each end |
| 4.8mm (3/16") | NT-DRL-109-048 | 62mm (2-7/16") | 17mm (11/16") each end |

| Parameter | Specification |
| --- | --- |
| Design Type | Double-Ended Stub Twist Drill |
| Material Grade | HSS 4341 / M2 (6542) |
| Point Angle | 135° Split Point |
| Diameter Range | 2.0mm – 6.5mm (5/64" – 1/4") |
| Overall Length | 45mm – 65mm (1-3/4" – 2-1/2") |

### 3.9 1/4" Quick-Change Hex Shank Brad Point Drill Bit for Wood (NT-DRL-113)
- **Canonical URL**: https://newtech-sources.com/products/quick-change-hex-shank-woodworking-brad-point-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/quick-change-hex-shank-woodworking-brad-point-drill-bit.txt
- **Model / SKU**: NT-DRL-113
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 300 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=1%2F4%22%20Quick-Change%20Hex%20Shank%20Brad%20Point%20Drill%20Bit%20for%20Wood%20(NT-DRL-113)

**Overview**: Engineered for cabinet makers, carpenters, and wooden furniture factories. The precision-ground center brad point aligns precisely on layout marks, while dual outer spurs score the wood fibers before the main cutting lips remove material. This yields razor-sharp, tear-out-free hole entry and exit in solid hardwoods, softwoods, plywood, and veneered MDF. The 1/4" hex shank fits directly into quick-change chucks. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- Precision center brad point eliminates wandering on wood grains
- Dual outer spurs scribe clean hole perimeter without surface blowout
- Wide polished flutes ensure fast chip clearing in resinous woods
- 1/4" (6.35mm) quick-change hex shank for cordless impact/drill compatibility
- High-carbon steel or Chrome-Vanadium alloy for enduring edge sharpness

**Target Materials & Applications**: Dowel joinery and shelf pin hole drilling in cabinets, Hardwood, softwood, plywood, MDF, and laminated particleboard, Woodworking shop installation and DIY remodeling projects

**Technical Specifications**:
| size | model | shank | length |
| --- | --- | --- | --- |
| 4.0mm (5/32") | NT-DRL-113-040 | 1/4" Hex | 85mm (3-3/8") |
| 6.0mm (15/64") | NT-DRL-113-060 | 1/4" Hex | 95mm (3-3/4") |
| 8.0mm (5/16") | NT-DRL-113-080 | 1/4" Hex | 105mm (4-1/8") |
| 10.0mm (25/64") | NT-DRL-113-100 | 1/4" Hex | 120mm (4-3/4") |

| Parameter | Specification |
| --- | --- |
| Tip Design | Brad Point with Dual Outer Spurs |
| Shank | 1/4" (6.35mm) Quick-Change Hex |
| Material | High Carbon Steel / Chrome-Vanadium |
| Diameter Range | 3.0mm – 16.0mm (1/8" – 5/8") |

### 3.10 1/4" Quick-Change Hex Shank HSS Impact Drill Bit for Metal (NT-DRL-112)
- **Canonical URL**: https://newtech-sources.com/products/quick-change-hex-shank-impact-drill-bit-for-metal
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/quick-change-hex-shank-impact-drill-bit-for-metal.txt
- **Model / SKU**: NT-DRL-112
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 300 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=1%2F4%22%20Quick-Change%20Hex%20Shank%20HSS%20Impact%20Drill%20Bit%20for%20Metal%20(NT-DRL-112)

**Overview**: Engineered for contractors and industrial workers utilizing cordless impact drivers and quick-release chucks. The 1/4" (6.35mm) DIN 3126 E6.3 hex shank locks instantly into impact chucks, transferring continuous high torque without spin-out. Built with an optimized shock-absorbing torsion zone and 135° split point that cuts immediately into sheet metal, structural steel, and pipes. 100% pre-shipment tested. Available in one-piece solid hex or heavy-duty two-piece assembled constructions. FOB delivery from any port in China.

**Engineering Highlights**:
- 1/4" (6.35mm) DIN 3126 E6.3 quick-change hex shank fits all cordless impact drivers
- Impact-rated torsion neck absorbs peak torque spikes to protect cutting edge
- 135° split point bites instantly without center punch or drill wandering
- Available in premium solid 1-piece HSS or high-torque 2-piece bonded hex shank
- Choice of titanium nitride (TiN) gold coating or black oxide finish

**Target Materials & Applications**: Cordless impact driver drilling in electrical and plumbing installations, Metal roofing, cladding, and solar panel racking assemblies, Field maintenance and fast-paced construction job sites

**Technical Specifications**:
| size | model | shank | length |
| --- | --- | --- | --- |
| 3.0mm (1/8") | NT-DRL-112-030 | 1/4" Hex | 80mm (3-1/8") |
| 4.5mm (11/64") | NT-DRL-112-045 | 1/4" Hex | 95mm (3-3/4") |
| 6.5mm (1/4") | NT-DRL-112-065 | 1/4" Hex | 105mm (4-1/8") |
| 10.0mm (25/64") | NT-DRL-112-100 | 1/4" Hex | 133mm (5-1/4") |

| Parameter | Specification |
| --- | --- |
| Shank Standard | 1/4" (6.35mm) DIN 3126 E6.3 Hex |
| Material Grade | HSS 4341 / HSS M2 (6542) |
| Point Angle | 135° Self-Centering Split Point |
| Size Range | 1.5mm – 13.0mm (1/16" – 1/2") |

### 3.11 DIN 340 HSS Long-Length Straight Shank Twist Drill Bit (NT-DRL-105)
- **Canonical URL**: https://newtech-sources.com/products/din340-hss-long-length-straight-shank-twist-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din340-hss-long-length-straight-shank-twist-drill-bit.txt
- **Model / SKU**: NT-DRL-105
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 100 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%20340%20HSS%20Long-Length%20Straight%20Shank%20Twist%20Drill%20Bit%20(NT-DRL-105)

**Overview**: When standard jobber drills cannot reach the required depth, the DIN 340 long series provides up to 50% more flute and overall length. Precision ground with wide flute valleys to accelerate swarf ejection from deep bores and prevent chips from packing in the hole. Ideal for mold making, steel fabrication fixtures, and automotive frame manufacturing. 100% pre-shipment tested. FOB shipment from any port in China.

**Engineering Highlights**:
- DIN 340 extended overall and flute length for deep cavity drilling
- Wide parabolic flute channels accelerate deep-bore chip ejection
- 118° or 135° split point for accurate hole start without deflection
- HSS 4341 / M2 / M35 Cobalt construction with steam oxide or bright finish

**Target Materials & Applications**: Injection mold water-cooling line drilling, Deep structural channel sections and hollow tube drilling, Jig and fixture bushing guided drilling

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 4.0mm (5/32") | NT-DRL-105-040 | 119mm (4-11/16") | 78mm (3-1/16") |
| 6.0mm (15/64") | NT-DRL-105-060 | 139mm (5-1/2") | 91mm (3-9/16") |
| 8.0mm (5/16") | NT-DRL-105-080 | 165mm (6-1/2") | 109mm (4-5/16") |
| 10.0mm (25/64") | NT-DRL-105-100 | 184mm (7-1/4") | 121mm (4-3/4") |

| Parameter | Specification |
| --- | --- |
| Standard | DIN 340 RN |
| Material | HSS M2 (6542) / HSS 4341 |
| Diameter Range | 1.5mm – 16.0mm (1/16" – 5/8") |
| Flute Geometry | Parabolic Deep Evacuation Flute |

### 3.12 HSS Aircraft Extension Drill Bit (6" & 12" Long Reach) (NT-DRL-111)
- **Canonical URL**: https://newtech-sources.com/products/hss-aircraft-extension-drill-bit-6-inch-12-inch
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/hss-aircraft-extension-drill-bit-6-inch-12-inch.txt
- **Model / SKU**: NT-DRL-111
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 150 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=HSS%20Aircraft%20Extension%20Drill%20Bit%20(6%22%20%26%2012%22%20Long%20Reach)%20(NT-DRL-111)

**Overview**: Manufactured to meet the rigorous tolerances of aerospace and defense maintenance (NAS 907 type J/B specifications). Aircraft extension drills feature an extended round shank behind a standard flute, providing the reach needed to clear deep structural bulkheads, rib stiffeners, and HVAC framing. The 135° split point bites immediately on curved aluminum alloys and titanium sheets without creeping. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- NAS 907 aerospace standard compliance for high concentricity
- Available in 6" (152mm) and 12" (305mm) extended overall reach
- 135° split point self-centers without center punch on curved surfaces
- High-speed steel M2 / M35 Cobalt construction with black oxide or bright finish

**Target Materials & Applications**: Aerospace airframe maintenance, skin riveting, and rib bulkhead drilling, Commercial HVAC, refrigeration tubing, and deep conduit penetrations, Automotive roll cage and tubular chassis fabrications

**Technical Specifications**:
| size | model | reach | fluteLength |
| --- | --- | --- | --- |
| 1/8" (3.18mm) | NT-DRL-111-18-6 | 6" (152mm) | 1-7/16" (37mm) |
| 3/16" (4.76mm) | NT-DRL-111-316-6 | 6" (152mm) | 2-5/16" (59mm) |
| 1/4" (6.35mm) | NT-DRL-111-14-12 | 12" (305mm) | 2-3/4" (70mm) |
| 3/8" (9.53mm) | NT-DRL-111-38-12 | 12" (305mm) | 3-5/8" (92mm) |

| Parameter | Specification |
| --- | --- |
| Standard | NAS 907 Type J / B |
| Overall Lengths | 6" (152mm) & 12" (305mm) |
| Material Grade | HSS M2 (6542) / HSS-Co M35 |
| Point Angle | 135° Split Point Self-Centering |

### 3.13 Professional Chrome-Vanadium Woodworking Brad Point Drill Bit Series (NT-DRL-114)
- **Canonical URL**: https://newtech-sources.com/products/professional-woodworking-brad-point-drill-bit-set
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/professional-woodworking-brad-point-drill-bit-set.txt
- **Model / SKU**: NT-DRL-114
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 200 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Professional%20Chrome-Vanadium%20Woodworking%20Brad%20Point%20Drill%20Bit%20Series%20(NT-DRL-114)

**Overview**: Crafted from hardened Chrome-Vanadium (Cr-V) alloy steel to maintain keen cutting edges far longer than standard carbon steel bits. The razor-sharp center spur locates the drill with pinpoint precision, while outer contour spurs slice timber fibers cleanly, preventing tear-out even on cross-grain hardwoods. 100% pre-shipment tested for diameter and straightness. Processed by requirement in individual packaging or boxed contractor sets. FOB delivery from any port in China.

**Engineering Highlights**:
- Hardened Chrome-Vanadium (Cr-V) steel holds sharp cutting lips longer
- Precision-machined centering point prevents bit skating on dense woods
- Outer cutting spurs eliminate tear-out and blowout at hole exit
- Mirror-polished wide flutes clear wood shavings effortlessly

**Target Materials & Applications**: Fine furniture craftsmanship, antique restoration, and joinery, Hardwoods (Oak, Maple, Walnut, Teak), softwoods, and composite timber, Precision doweling and wooden peg assemblies

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 5.0mm (13/64") | NT-DRL-114-050 | 85mm (3-3/8") | 52mm (2-1/16") |
| 8.0mm (5/16") | NT-DRL-114-080 | 117mm (4-5/8") | 75mm (2-15/16") |
| 10.0mm (25/64") | NT-DRL-114-100 | 133mm (5-1/4") | 87mm (3-7/16") |
| 12.0mm (15/32") | NT-DRL-114-120 | 151mm (6") | 101mm (4") |

| Parameter | Specification |
| --- | --- |
| Material | Chrome-Vanadium (Cr-V) Alloy Steel |
| Point Design | Center Brad Point & Twin Scribe Spurs |
| Shank | Straight Round Shank (Cylindrical) |
| Size Range | 3.0mm – 20.0mm (1/8" – 3/4") |

### 3.14 DIN 341 Extra-Long Morse Taper Shank Heavy-Duty HSS Drill Bit (NT-DRL-108)
- **Canonical URL**: https://newtech-sources.com/products/din341-extra-long-morse-taper-shank-hss-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/din341-extra-long-morse-taper-shank-hss-drill-bit.txt
- **Model / SKU**: NT-DRL-108
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 30 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=DIN%20341%20Extra-Long%20Morse%20Taper%20Shank%20Heavy-Duty%20HSS%20Drill%20Bit%20(NT-DRL-108)

**Overview**: Combining the self-locking high-torque capability of Morse taper shanks with extra-long flute and overall dimensions to DIN 341. Precision manufactured from heat-treated HSS M2 / 4341 steel, this tool drills through deep structural components where standard DIN 345 bits fall short. Features wide chip clearance flutes to prevent binding in deep iron and alloy steel holes. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- DIN 341 extra-long series provides significant extra depth over DIN 345
- Self-locking Morse taper shank MT1, MT2, MT3, MT4 for positive spindle drive
- Wide parabolic flute channels evacuate chips efficiently from deep cavities
- Heavy-duty 118° chisel point engineered for cast steel, forged iron, and alloys

**Target Materials & Applications**: Extra-deep hole drilling in heavy castings and forged steel blocks, Heavy mining equipment frames and offshore structural fabrications, Large injection mold base deep waterlines and ejector guide holes

**Technical Specifications**:
| size | model | taper | length | fluteLength |
| --- | --- | --- | --- | --- |
| 15.0mm (19/32") | NT-DRL-108-150 | MT2 | 267mm (10-1/2") | 160mm (6-5/16") |
| 20.0mm (25/32") | NT-DRL-108-200 | MT2 | 294mm (11-9/16") | 181mm (7-1/8") |
| 25.0mm (63/64") | NT-DRL-108-250 | MT3 | 355mm (14") | 220mm (8-11/16") |

| Parameter | Specification |
| --- | --- |
| Standard | DIN 341 / ISO 494 |
| Material Grade | HSS M2 (6542) / HSS 4341 |
| Shank Taper | Morse Taper MT1 to MT4 |
| Finish | Steam Tempered Black Oxide |

### 3.15 ASME B94.11M Screw Machine Length Stubby HSS Drill Bit (NT-DRL-104)
- **Canonical URL**: https://newtech-sources.com/products/asme-b94-11m-screw-machine-length-stubby-drill-bit
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/asme-b94-11m-screw-machine-length-stubby-drill-bit.txt
- **Model / SKU**: NT-DRL-104
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 300 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=ASME%20B94.11M%20Screw%20Machine%20Length%20Stubby%20HSS%20Drill%20Bit%20(NT-DRL-104)

**Overview**: Designed in accordance with ASME B94.11M Screw Machine specifications, these short-flute drills minimize vibration and runout in multi-spindle automatic screw machines, Swiss lathes, and CNC turning centers. Engineered with thick web cores for maximum torsional strength, they handle high-feed cycle times without tool drift. Fully custom manufactured to buyer requirements with choice of surface treatments. FOB delivery from any port in China.

**Engineering Highlights**:
- ASME B94.11M Screw Machine Short Flute standard for maximum rigidity
- Heavy web core design prevents breakage during aggressive CNC feed rates
- 135° split point minimizes thrust force requirements
- Full Imperial fraction, wire gauge, and letter sizes available

**Target Materials & Applications**: Swiss-style automatic screw machine turning, CNC multi-spindle lathe high-speed production, Rigid production drilling in cast metals and alloy bars

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 1/8" (3.18mm) | NT-DRL-104-18 | 1-7/8" (48mm) | 7/8" (22mm) |
| 1/4" (6.35mm) | NT-DRL-104-14 | 2-1/2" (64mm) | 1-3/8" (35mm) |
| 3/8" (9.53mm) | NT-DRL-104-38 | 3-1/8" (79mm) | 1-13/16" (46mm) |

| Parameter | Specification |
| --- | --- |
| Standard | ASME B94.11M Screw Machine |
| Material Grade | HSS M2 (6542) / HSS-Co M35 |
| Point Angle | 135° Split Point |
| Finish | Black Oxide / Bright / TiN Coated |

### 3.16 ASME B94.11M Taper Length Straight Shank HSS Drill Bit (NT-DRL-106)
- **Canonical URL**: https://newtech-sources.com/products/asme-b94-11m-taper-length-straight-shank-hss-drill
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/asme-b94-11m-taper-length-straight-shank-hss-drill.txt
- **Model / SKU**: NT-DRL-106
- **Discipline**: Drills
- **Minimum Order Quantity (MOQ)**: 150 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=ASME%20B94.11M%20Taper%20Length%20Straight%20Shank%20HSS%20Drill%20Bit%20(NT-DRL-106)

**Overview**: Engineered for North American machine shops and manufacturing facilities, ASME B94.11M taper-length drills match the flute and overall dimensions of taper shank drills while featuring a standard straight shank. This allows deep-hole and through-bushing drilling on conventional drill chucks and toolholders without needing Morse taper adapters. 100% pre-shipment inspected. Processed by requirement with black oxide or bright finishes.

**Engineering Highlights**:
- ASME B94.11M Taper Length proportions with straight shank convenience
- Significantly longer reach than standard jobber drills
- 118° heavy-duty point with black oxide lubricity treatment
- Precision concentric ground body for tight hole clearance

**Target Materials & Applications**: Deep-hole drilling in standard drill presses and milling chucks, Through-hole drilling in heavy plate fabrications, Agricultural machinery and heavy equipment repair

**Technical Specifications**:
| size | model | length | fluteLength |
| --- | --- | --- | --- |
| 1/4" (6.35mm) | NT-DRL-106-14 | 5-1/8" (130mm) | 3-3/8" (86mm) |
| 3/8" (9.53mm) | NT-DRL-106-38 | 6-1/4" (159mm) | 4-1/4" (108mm) |
| 1/2" (12.70mm) | NT-DRL-106-12 | 7-3/4" (197mm) | 5-1/4" (133mm) |

| Parameter | Specification |
| --- | --- |
| Standard | ASME B94.11M Taper Length |
| Material Grade | HSS 4341 / M2 |
| Shank Style | Straight Cylindrical Shank |
| Point Angle | 118° Heavy-Duty Point |