# Vacuum Brazed Tools — B2B Industrial Specification Monograph | Newtech Sources Co., Ltd.

> Vacuum-brazed diamond core drill bits, washbasin profiling wheels, and multi-material rescue/demolition blades with exposed high-grade diamond grit.

## 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/vacuum-brazed-tools
- **Active Series in Category**: 13 published industrial product series
- **Engineering Tolerance Benchmark**: Engineered to EN 13236 & ANSI B7.1 dimensional concentricity, segment shear-torque, and rotational safety 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-VBT-108 | Vacuum Brazed Core Drill Bits For Washbasin | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-for-washbasin |
| NT-VBT-107 | Vacuum Brazed Core Drill Bits - With Hex Shank | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-with-hex-shank |
| NT-VBT-106 | Vacuum Brazed Core Drill Bits - Thread | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-thread |
| NT-VBT-105 | Vacuum Brazed Core Drill Bits | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill-bits |
| NT-VBT-103 | Vacuum Brazed Core Drill | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill |
| NT-VBT-102 | Vacuum Brazed Grinding Wheels | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-grinding-wheels |
| NT-VBT-101 | Vacuum Brazed Alloy Cup Wheels | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-alloy-cup-wheels |
| NT-VBT-104 | Vacuum Brazed Core Drill Bit For Washbasin | 25mm (1.0") to 102mm (4.0") (25mm (1.0"), 35mm (1-3/8"), 50mm (2.0"), 102mm (4.0")) | 50 Pieces | https://newtech-sources.com/products/vacuum-brazed-core-drill-bit-for-washbasin |
| NT-VBT-111 | Vacuum Brazed Segmented Heavy Foundry Cast Iron & Steel Pipe Cutoff Blade | 125 mm (5") to 400 mm (16") (125 mm (5"), 180 mm (7"), 230 mm (9"), 350 mm (14"), 400 mm (16")) | 50 Pcs | https://newtech-sources.com/products/vacuum-brazed-segmented-foundry-cast-iron-cutoff-blade |
| NT-VBT-113 | Vacuum Brazed Slotted Heavy Demolition & Rebar Encounter Diamond Saw Blade | 125 mm (5") to 400 mm (16") (125 mm (5"), 230 mm (9"), 350 mm (14"), 400 mm (16")) | 50 Pcs | https://newtech-sources.com/products/vacuum-brazed-slotted-demolition-rebar-diamond-blade |
| NT-VBT-110 | Vacuum Brazed Continuous-Wave Rim Marble, Tile & Composite Cutting Blade | 105 mm (4") to 180 mm (7") (105 mm (4"), 115 mm (4.5"), 125 mm (5"), 180 mm (7")) | 50 Pcs | https://newtech-sources.com/products/vacuum-brazed-continuous-wave-marble-composite-blade |
| NT-VBT-112 | Vacuum Brazed Side-Protected Flush-Cut & Edge Grinding Combo Diamond Blade | 115 mm (4.5") to 230 mm (9") (115 mm (4.5"), 125 mm (5"), 180 mm (7"), 230 mm (9")) | 50 Pcs | https://newtech-sources.com/products/vacuum-brazed-side-protected-flush-cut-combo-blade |
| NT-VBT-109 | Vacuum Brazed Multi-Purpose Emergency Rescue & Ductile Iron Diamond Saw Blade | 125 mm (5") to 400 mm (16") (125 mm (5"), 230 mm (9"), 300 mm (12"), 350 mm (14"), 400 mm (16")) | 50 Pcs | https://newtech-sources.com/products/vacuum-brazed-diamond-blades |

## 3. Detailed Technical Specifications (13 Series)

### 3.1 Vacuum Brazed Core Drill Bits For Washbasin (NT-VBT-108)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-for-washbasin
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill-bits-for-washbasin.txt
- **Model / SKU**: NT-VBT-108
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20Bits%20For%20Washbasin%20(NT-VBT-108)

**Overview**: Vacuum Brazed Core Drill Bits For Washbasin (NT-VBT-108) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-108-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-108-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-108-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-108-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.2 Vacuum Brazed Core Drill Bits - With Hex Shank (NT-VBT-107)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-with-hex-shank
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill-bits-with-hex-shank.txt
- **Model / SKU**: NT-VBT-107
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20Bits%20-%20With%20Hex%20Shank%20(NT-VBT-107)

**Overview**: Vacuum Brazed Core Drill Bits - With Hex Shank (NT-VBT-107) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-107-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-107-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-107-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-107-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.3 Vacuum Brazed Core Drill Bits - Thread (NT-VBT-106)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill-bits-thread
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill-bits-thread.txt
- **Model / SKU**: NT-VBT-106
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20Bits%20-%20Thread%20(NT-VBT-106)

**Overview**: Vacuum Brazed Core Drill Bits - Thread (NT-VBT-106) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-106-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-106-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-106-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-106-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.4 Vacuum Brazed Core Drill Bits (NT-VBT-105)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill-bits
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill-bits.txt
- **Model / SKU**: NT-VBT-105
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20Bits%20(NT-VBT-105)

**Overview**: Vacuum Brazed Core Drill Bits (NT-VBT-105) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-105-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-105-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-105-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-105-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.5 Vacuum Brazed Core Drill (NT-VBT-103)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill.txt
- **Model / SKU**: NT-VBT-103
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20(NT-VBT-103)

**Overview**: Vacuum Brazed Core Drill (NT-VBT-103) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-103-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-103-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-103-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-103-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.6 Vacuum Brazed Grinding Wheels (NT-VBT-102)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-grinding-wheels
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-grinding-wheels.txt
- **Model / SKU**: NT-VBT-102
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Grinding%20Wheels%20(NT-VBT-102)

**Overview**: Vacuum Brazed Grinding Wheels (NT-VBT-102) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-102-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-102-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-102-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-102-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.7 Vacuum Brazed Alloy Cup Wheels (NT-VBT-101)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-alloy-cup-wheels
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-alloy-cup-wheels.txt
- **Model / SKU**: NT-VBT-101
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Alloy%20Cup%20Wheels%20(NT-VBT-101)

**Overview**: Vacuum Brazed Alloy Cup Wheels (NT-VBT-101) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-101-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-101-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-101-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-101-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.8 Vacuum Brazed Core Drill Bit For Washbasin (NT-VBT-104)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-core-drill-bit-for-washbasin
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-core-drill-bit-for-washbasin.txt
- **Model / SKU**: NT-VBT-104
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Core%20Drill%20Bit%20For%20Washbasin%20(NT-VBT-104)

**Overview**: Vacuum Brazed Core Drill Bit For Washbasin (NT-VBT-104) by Newtech Sources Co., Ltd. is engineered for commercial tile installers, stone fabricators, and mechanical/electrical contractors across North America and Europe. Thread mounts and shanks are customizable to regional standards including 5/8"-11 UNC, 1-1/4"-7 UNC, M14, M10, and 3/8" Hex shanks, with 100% pre-shipment concentricity verification.

**Engineering Highlights**:
- Precision CNC-machined steel barrel ensures zero wobble and clean hole entry
- High-grade thermal-stable diamond crystals resist glazing in dense porcelain and granite
- Full thread compatibility for North American (5/8"-11, 1-1/4"-7) and European (M14, 1/2" BSP) rigs
- Custom multi-piece contractor case assortments and retail packaging supported

**Target Materials & Applications**: Porcelain slabs, ceramic tiles, sintered stone, granite, and marble countertops, Reinforced concrete walls, bridge decks, and masonry block coring, Plumbing faucet holes, washbasin cutouts, and HVAC/electrical conduit penetrations, Handheld angle grinders, rotary drills, and stand-mounted diamond core drilling rigs

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 5/8"-11 or M14 / Hex Shank | 25mm (1.0") | NT-VBT-104-D25 | 10mm Diamond Band |
| 5/8"-11 or M14 / Hex Shank | 35mm (1-3/8") | NT-VBT-104-D35 | 10mm Diamond Band |
| 5/8"-11 or M14 | 50mm (2.0") | NT-VBT-104-D50 | 10mm Diamond Band |
| 5/8"-11 or 1-1/4"-7 UNC | 102mm (4.0") | NT-VBT-104-D102 | 10mm Segment Height |

| Parameter | Specification |
| --- | --- |
| Cooling Mode | Dry or Wet Operation |
| Thread / Shank Mount | 5/8"-11 UNC (US), 1-1/4"-7 UNC, M14 (EU), M10, 3/8" Quick-Change Hex Shank |
| Working Barrel Length | 35mm (1.38"), 60mm (2.36"), 150mm (6"), 400mm (15.75"), 450mm (18") |
| Diamond Bonding Technology | High-Temperature Vacuum Brazed Exposed Diamond Matrix |
| Diameter Range (Metric / Imperial) | 6mm (1/4") – 152mm (6") / Up to 350mm (14") for Engineering Core Bits |

### 3.9 Vacuum Brazed Segmented Heavy Foundry Cast Iron & Steel Pipe Cutoff Blade (NT-VBT-111)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-segmented-foundry-cast-iron-cutoff-blade
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-segmented-foundry-cast-iron-cutoff-blade.txt
- **Model / SKU**: NT-VBT-111
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Segmented%20Heavy%20Foundry%20Cast%20Iron%20%26%20Steel%20Pipe%20Cutoff%20Blade%20(NT-VBT-111)

**Overview**: A high-safety, long-life replacement for conventional bonded abrasive cutoff wheels in metal foundries and steel fabrication yards. The deep U-gullet segmented design facilitates aggressive swarf ejection and cool operation when slicing through thick solid cast iron risers and alloy steel beams. Eliminates foul odor, smoke, and catastrophic wheel shattering risks. 100% pre-shipment inspected. FOB delivery from any port in China.

**Engineering Highlights**:
- Engineered specifically for grey cast iron, ductile nodular iron (GGG), gates, sprues, and foundry risers
- Delivers up to 80x-100x longer wheel life than resin-bonded abrasive discs with drastically reduced dust
- Lateral diamond relief strips prevent blade pinching in high-stress thick-walled pipe and casting cuts
- Available for handheld foundry grinders, chop saws, and automated robotic fettling cells

**Target Materials & Applications**: Grey iron & ductile iron foundry risers, gates & sprues, Cement-lined ductile iron water mains & cast steel pipes, Foundry fettling grinders, stationary chop saws & robotic cutoff cells

**Technical Specifications**:
| kerf | arbor | model | diameter | gulletType |
| --- | --- | --- | --- | --- |
| 2.4 mm | 22.23 mm | NT-VBT-111-125 | 125 mm (5") | U-Slot Segmented |
| 2.6 mm | 22.23 mm | NT-VBT-111-180 | 180 mm (7") | U-Slot Segmented |
| 2.8 mm | 22.23 mm | NT-VBT-111-230 | 230 mm (9") | Deep Foundry Gullet |
| 3.2 mm | 25.4 mm / 32 mm | NT-VBT-111-350 | 350 mm (14") | Robotic/Chop-Saw |
| 3.5 mm | 25.4 mm / 50 mm | NT-VBT-111-400 | 400 mm (16") | Robotic Foundry |

| Parameter | Specification |
| --- | --- |
| Bonding Process | Heavy-Duty Multi-Pass Vacuum Brazed Diamond + Side Relief Grit |
| Diamond Concentration | High-Density 30/35# Coarse Industrial Diamond |
| Side Clearance | Brazed Lateral Relief Strips to Prevent Pinching in Thick Castings |
| Cutting Mode | Dry Foundry Fettling & Wet Robotic Cell Cutoff |

### 3.10 Vacuum Brazed Slotted Heavy Demolition & Rebar Encounter Diamond Saw Blade (NT-VBT-113)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-slotted-demolition-rebar-diamond-blade
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-slotted-demolition-rebar-diamond-blade.txt
- **Model / SKU**: NT-VBT-113
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Slotted%20Heavy%20Demolition%20%26%20Rebar%20Encounter%20Diamond%20Saw%20Blade%20(NT-VBT-113)

**Overview**: Engineered for structural demolition contractors tackling building renovations, bridge tear-downs, and industrial dismantling. Strategically spaced elongation slots in the steel core absorb intense thermal expansion and dynamic vibration when cutting through concrete slabs packed with high-tensile steel rebar. 100% pre-shipment inspected. FOB delivery from any port in China.

**Engineering Highlights**:
- 70%+ diamond crystal exposure via vacuum brazing cuts straight through embedded steel rebar without glazing
- Solid alloy steel core eliminates segment detachment hazards under severe demolition shock loads
- Radial cooling gullets evacuate sparks and metallic swarf while maintaining constant outer diameter
- Maintains consistent cutting depth unlike bonded abrasive cut-off wheels that rapidly wear down

**Target Materials & Applications**: Reinforced concrete with heavy rebar encounter, Ductile iron pipe, structural steel profiles & angle iron, Fire-rescue saws, handheld power cutters & angle grinders

**Technical Specifications**:
| kerf | arbor | model | diameter | rimHeight |
| --- | --- | --- | --- | --- |
| 2.4 mm | 22.23 mm (7/8") | NT-VBT-113-125 | 125 mm (5") | 10 mm |
| 2.8 mm | 22.23 mm (7/8") | NT-VBT-113-230 | 230 mm (9") | 10 mm |
| 3.2 mm | 25.4 mm / 20 mm | NT-VBT-113-350 | 350 mm (14") | 12 mm |
| 3.4 mm | 25.4 mm / 20 mm | NT-VBT-113-400 | 400 mm (16") | 12 mm |

| Parameter | Specification |
| --- | --- |
| Bonding Technology | High-Temperature Vacuum Nickel-Chromium Brazing |
| Diamond Grit | 30/40# High-Impact Ti-Coated Synthetic Diamond |
| Core Material | Heat-Treated 65Mn Alloy Steel with Stress-Relief Cooling Slots |
| Cutting Mode | Dry or Wet High-Speed Demolition Cutting |

### 3.11 Vacuum Brazed Continuous-Wave Rim Marble, Tile & Composite Cutting Blade (NT-VBT-110)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-continuous-wave-marble-composite-blade
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-continuous-wave-marble-composite-blade.txt
- **Model / SKU**: NT-VBT-110
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Continuous-Wave%20Rim%20Marble%2C%20Tile%20%26%20Composite%20Cutting%20Blade%20(NT-VBT-110)

**Overview**: Constructed with a continuous wavy diamond rim vacuum-brazed onto a high-tension alloy steel core. The undulating wave profile creates continuous point-contact cutting while inducing cooling air currents around the cut line, delivering pristine, mirror-like edges on expensive marble, soft limestone, and architectural fiberglass. 100% pre-shipment tested for tension and straightness. FOB delivery from any port in China.

**Engineering Highlights**:
- Fine 50/60# vacuum-brazed continuous wave rim produces clean, chip-free edges on veined marble and composites
- Ultra-thin 1.4-1.8 mm kerf minimizes material loss, cutting resistance, and thermal stress
- Corrugated wave profile enhances airflow cooling and clears fine stone/resin dust during dry cutting
- Zero delamination when cutting CFRP carbon fiber, GFRP fiberglass panels, and PVC/acrylic sheets

**Target Materials & Applications**: Natural veined marble, travertine, limestone & mosaic tile, FRP/GFRP fiberglass, CFRP carbon-fiber laminates & SMC panels, Handheld angle grinders and precision tile saws

**Technical Specifications**:
| kerf | arbor | model | diameter | rimStyle |
| --- | --- | --- | --- | --- |
| 1.4 mm | 20 / 16 mm | NT-VBT-110-105 | 105 mm (4") | Continuous Wave |
| 1.5 mm | 22.23 mm | NT-VBT-110-115 | 115 mm (4.5") | Continuous Wave |
| 1.6 mm | 22.23 mm | NT-VBT-110-125 | 125 mm (5") | Continuous Wave |
| 1.8 mm | 22.23 / 25.4 mm | NT-VBT-110-180 | 180 mm (7") | Continuous Wave |

| Parameter | Specification |
| --- | --- |
| Bonding Process | Fine-Grit Precision Vacuum Brazing |
| Diamond Grit | 50/60# Fine-Finish Synthetic Diamond |
| Rim Geometry | Thin-Kerf Corrugated Continuous Wave Rim for Chip-Free Exit |
| Cutting Mode | Dry or Wet High-Precision Trimming |

### 3.12 Vacuum Brazed Side-Protected Flush-Cut & Edge Grinding Combo Diamond Blade (NT-VBT-112)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-side-protected-flush-cut-combo-blade
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-side-protected-flush-cut-combo-blade.txt
- **Model / SKU**: NT-VBT-112
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Side-Protected%20Flush-Cut%20%26%20Edge%20Grinding%20Combo%20Diamond%20Blade%20(NT-VBT-112)

**Overview**: Equipped with dense vacuum-brazed diamond particles extending across both lateral sides of the blade core and paired with an optional M14 or 5/8"-11 flush-cut screw-on hub. This dual design enables operators to slice off protruding bolts and pipes flush against walls or floors, and immediately switch to beveling, shaping, and edge profiling without changing tools. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- Dual-function cutting and lateral grinding geometry eliminates tool changes during tile and stone fabrication
- Countersunk M14 / 5/8"-11 flange permits zero-clearance flush cutting tight against walls and floors
- Extended lateral diamond coating prevents kerf binding and smooths rough cut edges in one pass
- Engineered for granite, marble, porcelain slabs, cast iron, and fiberglass composites

**Target Materials & Applications**: Flush cutting anchor bolts, pipes & stone against walls, Cutting, chamfering & edge profiling granite, marble & porcelain, M14 and 5/8"-11 variable-speed and standard angle grinders

**Technical Specifications**:
| kerf | model | thread | diameter | diamondGrit |
| --- | --- | --- | --- | --- |
| 2.3 mm | NT-VBT-112-115M | M14 / 5/8"-11 Flush Flange | 115 mm (4.5") | 40/45# |
| 2.4 mm | NT-VBT-112-125M | M14 / 5/8"-11 Flush Flange | 125 mm (5") | 40/45# |
| 2.6 mm | NT-VBT-112-180M | M14 / 5/8"-11 Flush Flange | 180 mm (7") | 35/40# |
| 2.8 mm | NT-VBT-112-230M | M14 / 5/8"-11 Flush Flange | 230 mm (9") | 35/40# |

| Parameter | Specification |
| --- | --- |
| Bonding Process | Double-Sided Vacuum Brazed Cutting & Lateral Grinding Matrix |
| Flange Mounting | Removable Countersunk M14 or 5/8"-11 Flush-Mount Hub |
| Side Diamond Band | 20-25 mm Lateral Brazed Diamond Coating for Beveling & Chamfering |
| Operation Mode | Dry or Wet Cutting, Flush Trimming & Edge Grinding |

### 3.13 Vacuum Brazed Multi-Purpose Emergency Rescue & Ductile Iron Diamond Saw Blade (NT-VBT-109)
- **Canonical URL**: https://newtech-sources.com/products/vacuum-brazed-diamond-blades
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/vacuum-brazed-diamond-blades.txt
- **Model / SKU**: NT-VBT-109
- **Discipline**: Vacuum Brazed Tools
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Vacuum%20Brazed%20Multi-Purpose%20Emergency%20Rescue%20%26%20Ductile%20Iron%20Diamond%20Saw%20Blade%20(NT-VBT-109)

**Overview**: Engineered as an all-in-one cutoff disc for fire rescue squads, demolition contractors, and utility repair crews. High-strength vacuum brazing bonds industrial diamond crystals directly to the steel core without a bond matrix, ensuring aggressive, non-loading cutting through steel pipes, rebar, ductile iron, aluminum, bulletproof glass, and timber. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- Universal multi-material vacuum-brazed blade cuts steel, ductile iron, PVC, wood, rubber, and masonry without blade swaps
- One-piece steel body architecture resists shattering under torsional binding in emergency rescue operations
- Laser-cut thermal expansion slots dissipate heat during dry high-RPM petrol saw operation
- Custom OEM high-visibility rescue graphics and private-label fleet packaging supported

**Target Materials & Applications**: Fire & emergency rescue multi-material forcible entry, Municipal utility ductile iron, steel, PVC & concrete pipe cutting, Handheld petrol cut-off saws, battery power cutters & angle grinders

**Technical Specifications**:
| kerf | arbor | model | diameter | segmentHeight |
| --- | --- | --- | --- | --- |
| 2.4 mm | 22.23 mm | NT-VBT-109-125 | 125 mm (5") | 10 mm |
| 2.8 mm | 22.23 mm | NT-VBT-109-230 | 230 mm (9") | 10 mm |
| 3.0 mm | 20 / 25.4 mm | NT-VBT-109-300 | 300 mm (12") | 10 mm |
| 3.2 mm | 20 / 25.4 mm | NT-VBT-109-350 | 350 mm (14") | 12 mm |
| 3.4 mm | 20 / 25.4 mm | NT-VBT-109-400 | 400 mm (16") | 12 mm |

| Parameter | Specification |
| --- | --- |
| Diamond Grit | 30/40# High-Toughness Rescue-Grade Diamond |
| Core Steel | One-Piece Heat-Treated 65Mn Alloy Steel with Cooling Holes |
| Cutting Capability | Universal Dry/Wet Multi-Material Cut-Off |