Cobalt Twist Drill Bits

Standard: DIN338/DIN1897/DIN340/DIN1869/ANSI
Materials:M42 Cobalt 8%; M35 Cobalt 5%
Surface Finish: Gold Color
Production processing: ground from solid
Point: 135degree split point
Shank: straigth Shank / straight shank with 3flats
Marking: stamp or laser marking of  HSS Co & Size & Logo
Packing: 10pcs or 5pcs packed in pvc bag / paper bag / plastic tube
OEM is available