Top Sub for DTH hammer
The top sub is part of DTH hammer.It connect with drill pipe or connector. If you need it, you need to tell me the shank of your hammer.For example DHD, COP,NUMA,QL,SD and so on.
About Us
Shenyang ABT Drilling Equipment Co., Ltd. mainly provides holistic drilling solutions, serving the mining, stone crushing, water conservancy drilling industry, to help you solve the problem of drilling at high efficiency and low cost. We mainly provide mobile air compressors, drilling rigs, hammer, drill bit, crushers, underground water detector.We are your trustworthy partner.
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