TD40N (COP44 G Valveless) DTH Hammer
TD40N (COP44 G Valveless) DTH Hammer is proven by testing and using it in many job sites with various rock conditions. It has an excellent performance in blasting holes / quarry drilling as well as in geothermal drilling, water well drilling, exploration and construction drilling. Two kinds of drive chuck (For drill bit with Footvalve or without Footvalve) for your choice.
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