The size of our rock drill Button bits is from 45-127 mm indameter  and from 3.5" to 16" of dill bits.

The Item include:COP,M,BR,Ql,XL,DHD,SD,JW,ZD,J,CIR, Mission and own desinged :TH,TB. There also have other specialy used drill bits, such reverse circulation drill bits,geological drill bits,overbreden casing system drill bits, pilot bit.

We can design and manufacture accodring to the custmor's requirments and the work sit.