Product Features
- This product is made of M35 high-speed steel containing 5% cobalt.
- The drill bit is formed by grinding and with precision dimension.
- 135° double clearance angle has the auto-centering function.
- Not prone to slippage during drilling.
- Fine thread technology is adopted to effectively increase the cutting speed and prolong the service life.

Contents
1mm , 1.5mm , 2mm , 2.5mm , 3mm , 3.5mm , 4mm , 4.5mm , 5mm , 5.5mm , 6mm , 6.5mm , 7mm , 7.5mm , 8mm , 8.5mm , 9mm , 9.5mm , 10mm