Black&White Finish
High Speed Steel
HSS Twist Drill Bits
Bright /Tin/Customization
118 Degree or 135 Degree
Amber, Bright, Black and White, Black, Global
Fully Ground, Rolled&Polished, Roll Forged
Full Groove Length Heat Treatment
10/5 PCS in PVC Pouch/ Plastic Box;
1.0-12.5mm