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Welcome to epiroc's all new cop m-series of dth hammers. our 6", 7" and 8" hammers are designed and built to perfection. they are faster, lighter, more service friendly and longer lasting than ever before. our new hammers come with a wealth of new design features. these translate into great benefits for you.

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.

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The optimum range of hole size for dth drilling is 90 mm (3.5”) to 254 mm (10”). smaller holes are generally drilled using tophammer drill rigs, and larger holes generally use rotary drill rigs. 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”).

We attach value to innovation, specifically with patents of China on DTH Hammers Retailor, its excellent technology has reached the international sophisticated level, and includes a higher reputation inside the DTH Hammers Retailor business. Our group not simply has exceptional researchers and industry nationwide sales and service network, but additionally are China consumers specified brand producers.


DTH Hammers Retailor Supplier with a high organization reputation,from China.Our solutions contain:DTH Hammers Retailor Products are mostly exported to European nations,it truly is well-known in numerous countries.

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