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QL Series of DTH Hammers
DTH Hammer TypeQL40QL50QL60QL80
DTH Bit Shank to fitQL40QL50QL60QL80
Hole Range (mm)φ110-φ135φ135-φ155φ155-φ203φ195-φ254
Connection ThreadAPI 2 3/8" RegAPI   2 3/8" Reg
API 3 1/2" Reg
API 3 1/2" RegAPI 4 1/2" Reg
Working Pressure10-25Bar10-25Bar10-25Bar10-25Bar  



A proper drilling set of DTH hammer and DTH bit can improve your drilling productivity and increase your profit accordingly.


Worldrill can satisfy your different drilling demand including quarrying, mining, water well drilling, anchoring and geothermal energy.


Worldrill has been supplying rock drilling tools both home and abroad for more than 15 years.  So we know the drilling business very well.  We know more about what we can do for you.


DTH hammers can be used for different rock conditions.  When equipped with DTH bits of different face designs, sizes and button shpes, different holes of diameter can be drilled.  Worldrill DTH hammers and bits are popular for both their high penetrating power and long lifetime.


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+86-13906486398