The Tianhe DTH drill bits are made from hard alloy and special steel, which have high strength, high wear resistance and long life features. They can be widely applied in open-pit or underground mining,hydraulic engineering,oil and natural gas engineering,bridge engineering,construction

engineering,geotechnical engineering and some other fields.

Our company has passed ISO: 9001: 2008 qualities administer system certification. Our products have been sold to more than fifty countries.

We can design and produce different drill bits according to custometrs' different requirements.

(1) Size: 76mm-1200mm

(2) DTH Hammer: 3”-16”

(3) Package: in wooden case

(4) Productivity: 3000pcs/month