It is according to 6480-2002<<CEMENT CARBIDE ROCK BIT>>to make,as well as ,It have approved ISO9001:2000Quality System.

1)Taper connection: 4° 6° 7°.

2)Bit diameter:20-60mm

3)Good quality and cheaper price.

Packing:wooden or plastic box.

We can supply all kinds of rock drilling tools,bits and relact products,the product mianly used in

coaling ,metaling and so on. the sametime,we are according to you supply samples to produce the product.