Tungsten carbide drill bits

Made of wear-resistant tungsten carbide. For drilling glass, semiprecious stones, porcelain, ceramics, marble and other hard stones.

The hard stones are subdivided according to the degree of hardness from 1 - 10. 

Tungsten carbide can be used up to hardness degree 6.

Drilling hard stones with a hardness degree of more than 6 calls for the use of diamond tools. 

Shaft Ø 3.0mm. 

With ideal cutting angle of 6°

Diameter:1.5mm

Length: 8mm