- Made of high quality Carbide material. Durable and strong.
- High durability Small cutting resistance, improve the trepanning speed.
- Shank Diameter: Approx. 8mm.Spear point carbide for fast cutting speed and extra cutting life.
- This drill bits will drill without chipping or cracking the material when properly used.
- Ideal for glass bits, ceramics, wood, metal, plastic, tile, cement and other hard fragile materials.