Description The pilot bit is attached to any common DTH hammer shank or top hammer rod thread. The casing shoe is welded to the casing. The pilot bit and ring bit are locked together by the bayonet coupling. ... Read More
Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill ... Read More
Description 1. according to China's mining conditions, to absorb the advanced technology of domestic and foreign impactor and design and manufacture of the latest products. 2. reasonable selection of materials, ... Read More
ApplicationsWidely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes,geothermal exploration hole, ... Read More
Description NEW DIAMOND Eccentric overburden casing drilling system: Eccentric casing drilling bit is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the ... Read More
Description DTH hammers are used for blast hole drilling and water well drilling project.Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,Marble quarry or well drilling and other ... Read More
Description Choosing the right hammer is largely determined by hole size and type of rock formation. Ideally, the size of the hammer should match the required hole dimension as closely as possible, leaving just ... Read More
Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill ... Read More
Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill ... Read More
Description Down the hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in ... Read More