- 1. It is a wood in a variety of drilling branch drill.
- 2. It consists of the head and shank drill body composition.
- 3. High efficiency woodworking drilling, drilling accurate, good chip removal, drilling of relatively deep. Smooth brisk drilling, the use of high efficiency.
- 4. 45# carbon steel as raw material, after high temperature quenching, hardness up to HRC50 above.After nitriding, the drill bit has more texture and anti-rust function.
- Package Including:6pcs Flat Drill Bit Set