DTH hammer: 1,fast drilling speed 2,ISO 9001 certificated DTH Hammer 3,trinity design in joint 4,Dia: 82mm to 580mm

DTH hammer bits

It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.It also has the following advantages:First,Can be used in hard rock application.Second,it Can work on low to high pressure radius.Third,High rate of penetration while utilizing less air.Fourth,Excellent under water characteristics.Please feel free to contact me if you are interested in our products.Many thanks.

Hammer type Size of the bit Face design API thread OutsidG24(2") 76/80mm Flat/Concave/Convex F42×10×1.5 70mmG3.5(3") 90-100mm Flat/Concave/Convex 2 3/8" REG 80mmG44(4") 105-130mm Flat/Concave/Convex 2 3/8" REG 99mmG54(5") 134-152mm Flat/Concave/Convex 2 3/8" REG 3 1/2" REG 124mmG64(6") 152-254mm Flat/Concave/Convex 3 1/2" REG 137mmG84(8") 203-305mm Flat/Concave/Convex 4 1/2" REG 182mm

high efficiency DTH hammer and bits