Hss Drill Bits Rolled & Polished Din 338 Size:0.2mm-20mm Surface:black,white,black & white, tin etc ISO CERTIFICATED HSS Drill Bits, Half Ground drill bits Manufacturing Process:ROLLED & POLISHED FLUTE AND GROUND EDGE Material: HSS Sizes:0.2mm-20mm Surface Finishing:White,Black, Black & White, Titanium coated,coffee, etc. Point Angle:118°or 135° Split point Item No.:TY-H002