Thread Size:  API 2 3/8" Reg-6 5/8"Reg
Hammer Size: 3.5",4",5",6",8",10",12"
Shank series: DHD, COP, QL,MISSION              
Bit Diameter:  Ø90- Ø 445mm

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Features:

Close weight of piston and bit makes momentum transfer in best condition
High single-impact power, low power consumption in drilling
Suitable choice of raw material, advanced processing technology and perfect quality warranty
With hardened treatment, drilling life can be extended and then cost can be reduced

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 Structure of DTH hammer：

DTH Bit with nylon tube	DTH bit without nylon tube
3.5-6
>6

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DTH bit shank：

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DTH bit configuration：