1) Tapered connection: 6°, 7°, 12° 

2) Threaded connection: R22, R25, R28, R32, R38, T38, T45, T51 

3) Diameter: 30-127mm 

4) Best Alloy steel 

5.

We are  able to supply all kinds of  rock drilling hammers,bits and related products, 

the products are mianly used in  mining,coaling,metaling,stoning and etc.