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SPM 6 inch Low Air Pressure DTH Drill Hammer bit CIR110-130mm is very popular in international well drilling field.
It is widely used in international well drilling field.
SPM110 DTH Drill Hammer drill holes from 110mm to 150mm.
Matched drilling bits:SPM110-110mm,SPM110-115mm,SPM110-120mm.SPM110-125mm.SPM110-130mm.
SPM110-135mm.SPM110-140mm.SPM110-150mm...
We also supply other 3",4",5",6",10",12" High Pressure DTH Air Drill Hammers and various matched drill bits,
We offer SPM high air pressure DTH hammer size from 3" to 12"(Φ71mm-Φ275mm), SPM DTH hammers perform good in drilling well of diameter from 85mm to 600mm, especially excellent in deep hole well drilling works.
Different designing makes SPM DTH drill hammers are suitable for various well drilling conditions.