
DIN 338 Fully Ground HSS Twist Drill Bit (Bright Finish)
Precision fully ground HSS twist drill engineered to DIN 338 standard with 135° split point for effortless self-centering and fast penetration in steel and alloy metals.

ASME B94.11M Screw Machine Length Stubby HSS Drill Bit
SKU: NT-DRL-104
Est. 1998 · Unit 9F-H, East Building, Haijing Center, NO.144(M) Huangpu AVE, Guangzhou, China
Heavy-duty American standard screw machine stub drills offering maximum torsional resistance on Swiss-type CNC screw machines and high-throughput production lines.
| 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 |
| size | model | length | fluteLength |
|---|---|---|---|
| 1/8" (3.18mm) | NT-DRL-104-18 | 1-7/8" (48mm (1.89")) | 7/8" (22mm (0.87")) |
| 1/4" (6.35mm) | NT-DRL-104-14 | 2-1/2" (64mm (2.52")) | 1-3/8" (35mm (1-3/8")) |
| 3/8" (9.53mm) | NT-DRL-104-38 | 3-1/8" (79mm (3.11")) | 1-13/16" (46mm (1.81")) |
Swiss-style automatic screw machine turning, CNC multi-spindle lathe high-speed production, Rigid production drilling in cast metals and alloy bars
Process-by-requirement custom OEM/ODM manufacturing confirmed against buyer drawings prior to production.
Select individual or multiple dimensional models below to append directly to your B2B RFQ requisition.
| size | model | length | fluteLength | RFQ Requisition | |
|---|---|---|---|---|---|
| 1/8" (3.18mm) | NT-DRL-104-18 | 1-7/8" (48mm (1.89")) | 7/8" (22mm (0.87")) | ||
| 1/4" (6.35mm) | NT-DRL-104-14 | 2-1/2" (64mm (2.52")) | 1-3/8" (35mm (1-3/8")) | ||
| 3/8" (9.53mm) | NT-DRL-104-38 | 3-1/8" (79mm (3.11")) | 1-13/16" (46mm (1.81")) |
Swiss-style automatic screw machine turning, CNC multi-spindle lathe high-speed production, Rigid production drilling in cast metals and alloy bars
Heavy-duty American standard screw machine stub drills offering maximum torsional resistance on Swiss-type CNC screw machines and high-throughput production lines.
Manufacturing processes and technical parameters are tailored according to customer requirements. Tell us your target material, dimensions, drawings, and order quantity, and we configure the construction, bond/alloy grade, and finishing to match.
We support flexible FOB and CIF delivery at any port in China (including Guangzhou, Shenzhen, Ningbo, Shanghai, Qingdao, Tianjin, and Xiamen) with 100% pre-shipment inspection before dispatch.
Yes. Custom laser marking, color finishes, private-label retail or industrial packaging, and barcode labeling are agreed with you before production.
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Precision fully ground HSS twist drill engineered to DIN 338 standard with 135° split point for effortless self-centering and fast penetration in steel and alloy metals.

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