25 Pcs HSS Twist Drill Bits Set for Metal With Bright finished
Description:
1. Material:HSS 4241,4341,6542,M35
2. Hardness:HRC 60-68
3. Process:Rolled,Polished,Fully Ground
4. Point:118/135 degree split point
5. Surface:Black Oxide,Bright,Amber finished,Ti-coated.
6. Package:Rose plastic box,Metal Box,Plastic box
7. Usage:Drilling several size hole on metal,iron,stainless steel.
Size:1-13mm*0.5mm
Rose Plastic Box
Metal Box