HSS twist drill bits

Standards: DIN338

Size range: 0.2-20.0mm by 0.1mm

Production technics: Roll Forged,Roll&Polished,Fully Ground,Milled

Materials:HSS-W4, W9, M2,M35

Point types: 118°, 130°, 135° with split point

Coating: Black oxide,Bright finish,Black&Bright,Tin coating,Black&Gold

Package: PVC Pouch, plastic tubes, bulk, customer’s requirements