15pcs HSS Twist Drill Bit Sets

Size: 1/16"-1/2"
Standard: ANSI
Materials:M42/M35/M2/W9/W4
Surface Finish: black oxide
Production processing: ground from solid; polished; roll forged
Point: 118degree angle; 135degree split point
Shank: straigth Shank
Marking: stamp or laser marking of  HSS & Size & Logo
Packing: metal case
OEM is available