Feature:
1. Torch-shaped drill bits for fine-detail drilling with the cutting power of diamond. 2. Black nickel treatment greatly improves hardness, easily cuts glass, stone, tile, etc. 3. CNC milling handle bar without skipping, ensures the stability of grinding. 4. High-strength and high-temperature resistant, durable and will not drop sand. 5. 30pcs/set, 150 grit drilling bits with 3mm head and 3mm shank diameter.
Specification:
Package List:
Note:
1. The grinding head shall be clamped firmly when installing, and there shall be no pulsation!
2. The rotation speed should be as high as possible, and the linear speed should be no less than 1020 m/s.
3. This product is 3mm handle, please check the clamping range of the machine before purchase!