Down the Hole (DTH) Drilling Tools | Bits, Pipes, Rods ...
2021-7-5 · We offer a comprehensive range of DTH drill bits to match all conceivable applications. Each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured in-house.
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