
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.

HSS Double-Ended Sheet Metal & Rivet Hole Drill Bit
SKU: NT-DRL-109
Est. 1998 · Unit 9F-H, East Building, Haijing Center, NO.144(M) Huangpu AVE, Guangzhou, China
Economical double-ended HSS drill bit offering two cutting tips on a single body, doubling drill life for automotive body assembly, HVAC ducting, and sheet metal riveting.
| Design Type | Double-Ended Stub Twist Drill |
|---|---|
| Material Grade | HSS 4341 / M2 (6542) |
| Point Angle | 135° Split Point |
| Diameter Range | 2.0mm (5/64") – 6.5mm (5/64" – 1/4") |
| Overall Length | 45mm (1-3/4") – 65mm (1-3/4" – 2-1/2") |
| size | model | length | fluteLength |
|---|---|---|---|
| 3.2mm (1/8") | NT-DRL-109-032 | 49mm (1-15/16") | 11mm (0.43") each end |
| 4.0mm (5/32") | NT-DRL-109-040 | 55mm (2-3/16") | 14mm (0.55") each end |
| 4.8mm (3/16") | NT-DRL-109-048 | 62mm (2-7/16") | 17mm (0.67") each end |
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
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 | |
|---|---|---|---|---|---|
| 3.2mm (1/8") | NT-DRL-109-032 | 49mm (1-15/16") | 11mm (0.43") each end | ||
| 4.0mm (5/32") | NT-DRL-109-040 | 55mm (2-3/16") | 14mm (0.55") each end | ||
| 4.8mm (3/16") | NT-DRL-109-048 | 62mm (2-7/16") | 17mm (0.67") each end |
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
Economical double-ended HSS drill bit offering two cutting tips on a single body, doubling drill life for automotive body assembly, HVAC ducting, and sheet metal riveting.
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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