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
Drill bit:DHD/COP/CIR/Mission/Mission SD/QL/BR
Manufacture time:20 days or 40 days
DHD series:IR3.5,DHD340A,DHD350R,DHD360,DHD380
Manufacture time:40 days
Drill bit:
bit shank:IR3.5
diameter of bit:90-105mm