BONMACH-Rock Drill Hammer|DTH hammer manufacturer

DTH HAMMER 4 INCH BMHD45A

Newest design
Avoid the trouble of foot valve fracture, expansion and contraction.
Low energy consumption and high efficiency
Simple structure, easy maintenance.
Worldwide shipping
MOQ: 1pc
Description
HIGH AIR PRESSURE WITHOUT FOOT VALVE DTH HAMMERS
 
The DTH hammer is an integral part of the DTH drilling rig.  It is widely used in the hole-forming operations for Metal mine, Underground mining, Open cut mining, Quarry, Tunneling, Water well drilling, Large-scale Construction drilling, and blasting etc.
Bonmach rock drill DTH hammer included high air pressure drill DTH hammer, low air pressure DTH hammer, reverse circulation DTH hammer for rock drill etc. 
Bonmach DTH hammers are a latest self-designed type. It’s valveless air distribution, simple design of the piston, more efficient energy transfer, faster-drilling speed, lower air and oil consumption, less internal parts, easily maintain and easy disassemble. 

It has the following advantages:
Out of the trouble of foot valve fracture and expansion and contraction.
Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with the foot valve.
Simple structure, reliable parts, long life, easy and cheap maintenance.
Lower air and oil consumption. The oil consumption is about 10% lower than the one with the foot valve.


Matching bits: 
4"High Air Pressure DTH Bits

More Type: 
High Air Pressure without foot valve DTH Hammers
High Air Pressure with foot valve DTH Hammers
Big Hole High Air Pressure DTH Hammers
R.C. Hammers


TECHNICAL  DATA
     According to your request, the top sub can be made into two spinners, and put protection buttons. 
      An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.

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