dth hammer, dth pipe, button bit, adaptors, dhd dth hammer, low pressure dth hammer, hgh pressure dth hammer, dth drilling tool
dth hammer, dth pipe, button bit, adaptors, dhd dth hammer, low pressure dth hammer, hgh pressure dth hammer, dth drilling tool
Dth hammer bit:DHD/COP/CIR/Mission/Mission SD/QL/BR
Manufacture time:20 days or 40 days
CIR series:CIR65/CIR70/CIR80/CIR90/CIR110/CIR150/CIR170
Manufacture time:20 days
CIR70-76
bit shank:CIR70
diameter of bit:76mm