HSS Twist Drill Bits
Standard: DIN338/DIN1897/DIN340/DIN1869/ANSI
Materials:M2/W9/W4
Surface Finish: black oxide / bright / tin-coated / coffee color / bi-color
Production processing: ground from solid
Point: 135degree split point
Shank: straigth Shank / straight shank with 3flats / hex shank
Marking: stamp or laser marking of  HSS & Size 
Packing: 10pcs or 5pcs packed in pvc bag / paper bag / plastic tube
OEM is available