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D miningwell Coal Mining Hammer for Sale

D Miningwell’s DTH hammer has the advantages of high drilling efficiency, low failure rate and long service life. Our drill tools enable efficient and economical drilling even in all types of hard and abrasive harsh rocks.

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1. D Miningwell DTH hammer is a valve-type central exhaust impactor, which has a good effect of discharging rock powder, reduces the repeated crushing of rock slag, reduces the wear of the drill bit, and improves the drilling efficiency;<br/>
2. The internal structure size of the impactor is designed with advanced rock drilling theory, so that the impactor can obtain ideal energy transfer, large single impact power, faster rock drilling speed and lower air consumption;<br/>
3. Using high-quality raw materials and advanced processing technology, the performance is more stable and the service life is longer.<br/>
4. Easy disassembly and assembly, low failure and convenient maintenance.<br/>

Model DHD340 DHD350 DHD360 DHD380
Length(Less bit) 1032mm 1209mm 1063mm 1492mm
Weight 43kg 78.5kg 100.5kg 190kg
Outer diameter φ99mm φ125mm φ142mm φ180mm
Connection thread API 2 3/8″REG API 2 3/8″REG API 3 1/2″REG API 4 1/2″REG
Hole range φ110-φ135mm φ135-φ155mm φ150-φ190mm φ195-φ254mm
Work pressure 1.0-2.2Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.5-3.3Mpa
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