Remove debris faster and discharge particles easily
Feature:
1. High-speed steel material, more durable.
2. No guide hole is needed, and the hole can be deburred automatically when drilling.
3. With water cooling, it can effectively extend the service life of the drill bit. The recommended drilling speed is 250-400. It is widely used to cut holes in various materials, such as steel, wood, thin iron, aluminum alloy, insulation board, PVC board, etc.
specification:
Type: Conical drill bit
Material: High speed steel
4-12mm 5 steps: 4-6-8-10-12mm
4-12mm 9 steps: 4-5-6-7-8-9-10-11-12mm
4-20mm 9 steps: 4-6-8-10-12-14-16-18-20mm