DHD340 140mm dth drilling bit

Specifications

1.dth drilling bit
2.match to the original Atlas Copco DHD340A
3.spherical,ballistic,parabolic insert
4.ISO9001 certificate

   DHD340 140mm dth drilling bit

 

product description:

Shank: DHD340A DTH  hammer from Atlas Copco,TH98 and TG4 from our company

Diameter: 105mm to 152mm.

Applicaiton field: blasting hole,geotheromal hole.

Face design: flat, convex, concave

Inserts design: spherical, ballistic, parabolic

Fetures:  1.Reliable quality, long service life,  rare abnormal breakage during service life.

                2.Good flushing effect to ensure high drilling rate

                3.Strict quality warranty and compensation rules