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Dth hammers and bits ams stocks a wide range of down the hole (dth) hammers ranging from 4 to 8 inch in diameter. we also carry a wide variety of dth bits in numerous shank sizes and can custom make any type of bit to suit all drilling requirements.

Down the hole hammers dth hammers for well and blast hole drilling. water well drilling hammer.

As a rule of thumb, the smallest hole diameter a dth hammer can drill is its nominal size. i.e. standard 102 mm (4”) hammer will drill a hole down to a minimum diameter of 102 mm (4”). the limiting factor is the outside diameter of the hammer, because as the hole diameter reduces due to diameter wear of the bit, airflow is restricted.

Dth hammer bit, dth hammer price, dth hammer button bits manufacturer / supplier in china, offering 6 inch dhd forging dth hammer for well drilling, t45-89mm button bit, t38 64mm-89mm flat drop centre retract thread button bit and so on.

We're an enterprise that export professional spot drill bit to China, we're approved by the relevant state registratio. Major professional spot drill bit and sell to many regions in China, solution out there upon request. We have the spirit of "customer 1st, honesty first" principle, having a variety of enterprises established long-term cooperative partnership.


professional spot drill bit is definitely the product that we have continued to emerge inside the China industry and accomplished fantastic reputation. Our products advertising and marketing network at all more than the China regions. More than 10 years, we have created into a high-volume, multi-function in the traits, it could completely meet the demands with the professional spot drill bit sector.

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