Sell hss twist drill bits

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Features Specifications: hss twist drill bits
Standard: DIN338
Material: HSS4241, HSS4341, HSS9341, M42; M35; M7; M2, etc
Finish: black oxide, polished, tin coated and rainbow
Process: roll forged, half ground, fully ground
Point angle: 118: Or 135: split point
Application: for drilling cast steel, malleable iron, sintered metal, non-ferrous metals and wood, etc
Packing: by plastic bag, metal box etc
Diameter ranges from 1mm to 20mm. Drill sets like 13/19/25pcs are available. We make them in accordance with your demand.