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ADD: 03c4, 8/F, Bldg. D, Xiamen Internation Al Shipping Center, No. 97 Xiangyu Rd., China (Fujian) Pilot Free Trade Zone Xiamen Area,Fujian, China
MOBILE/WHATSAPP: +86-178 5050 2302
E-MAIL: info@gmd-eqpt.com

Semi-bridge Thread Coupling Sleeves

Coupling sleeve is widely used for extension rod and drill bits connection.GMD could supply Coupling, such as R25, R28, R32, R38, T38, T45, T51, R28-R32, R28-R38, R32-T38, R32-R38, R25-R32, R32-T45.

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High Air Pressure DTH Hammer with Foot Valve

The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, and the “RAB” is short for “Rotary Air Blasting”.

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Big Hole DTH Hammer for Well Drilling

Big Hole DTH Hammer is used for wells , oil, gas and construction drilling. It is suit for the Hole Range about 300mm to 800mm.

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Big Hole DTH Hammers and Bits

Big Hole DTH Hammers and Bits are used for wells , oil, gas and construction drilling. It is suit for the Hole Range about 300mm to 800mm.

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Low Air Pressure CIR DTH Hammer

CIR DTH hammer is widely used in geotechnical engineering in a variety of hard, high hardness and other toughness can be poor tough rock.

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RC DTH Hammer and Bits

RC (Reverse Circulation) DTH Hammer and Bits are mainly used for deep exploration drilling and ore grade control.

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DHD Cemented Carbide DTH Drill Bit

DHD Cemented Carbide DTH Drill Bit is Mainly used for Quarrying, Ore Mining, Coal Mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project, Marble quarry or...

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DHD Shank DTH Drill Bit

DHD Shank DTH Button Bit is Mainly used for Quarrying, Ore Mining, Coal Mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project, Marble quarry or well...

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QL Series DTH Button Bit

DTH Bits are Mainly used for Quarrying, Ore Mining, Coal Mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project, Marble quarry or well drilling and other...

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QL Shank DTH Drill Bit

QL Shank DTH Bit is mainly widely used for produce large-diameter holes in rocks for water-well drilling, tunnels, mineral exploration, geothermal drilling, subway engineering drilling.

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COP Shank DTH Button Bit for Mining

COP Shank DTH Button Bit is mainly used for Quarrying, Ore Mining, Coal Mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project.

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COP Shank DTH Drill Bit

The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, and the “RAB” is short for “Rotary Air Blasting”.

Read More