DTH Hammer's Spare Parts: Back adatpers/Top sub & Driver sub etc.
We manufacture and supply rock drilling accessories and spare parts, e.g. drilling adapters, driver sub/drive chuck, top sub/back adaptors/ backhammers, foot valve, crossover subs, bit retainer rings/stop ring, bit bearing, special wrenches, piston, piston case/control tube/external cylinder etc.
Adaptors/Subs: Box to Box, Pin to Pin, Box to Pin
Thread : API REG, IF, BECO