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Material: HSS4241, HSS4341, HSS9341, M42; M35; M7; M2, etc
Finish: Black oxide, polished, tin coated and rainbow etc
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.
Twisst Drill Bit
