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1. Good price, 2. Good quality, 3. Good service, 4. Long life span, 5. ISO9001 - details see: https://www.machineto.com/big-hole-high-air-pressure-dth-hammer-10316903

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.

4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.

5. Interchangeable with DTH bit and drill pipe

Size available:

DTH bits from 85mm to 330mm. The main products are:

1. Similar or equal DHD, COP and SD series hammers, our DTH hammers include HD35/HD45/HD55/HD55C/HD65/HD85/HSD4/ HSD5/ HSD6,/ HSD8/HQL40/ HQL50/ HQL60/ HQL80, etc.

2. Similar or equal DHD, COP and SD series hammers, our DTH bits range from 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm 120mm, 127mm, 133mm, 140mm, 146mm, 152mm, 165mm, 175mm, 190mm, 203mm, 216mm 254mm, 305mm, 330mm, etc.

A. Low pressure DTH hammers: BR1, BR2, J60, J80, J100, J150, etc.

B. 3" High air pressure DTH Bits, DTH Hammer Bits

C. 4" High air pressure DTH Bits, DTH Hammer Bits

D. 5" High air Pressure DTH Bits, DTH Hammer Bits

E. 6" High air Pressure DTH Bits, DTH Hammer Bits

F. 8" High air Pressure DTH Bits, DTH Hammer Bits

Thread Button Bit

R32; R32--41mm, R32--43mm, R32--45mm, R32--48mm, R32--57mm, R32--64mm, R32--76mm, R32--89mm, R32--102mm, R32--115mm

R38; R38--57mm, R38--60mm, R38--64mm, R38--70mm, R38--76mm, R38--89mm, R38--102mm

T38; T38--57mm, T38--64mm, T38--70mm, T38--76mm, T38--89mm, T38--102mm

T45; T45--64mm, T45--70mm, T45--76m, T45--80mm, T45--89mm, T45--102mm, T45--105mm

T51; T51--89mm, T51--102mm, T51--115mm, T51--127mm, T51--140mm, T51--152mm

Contact: Mr.Louis

Tel:+86-731-22227755/56/58

Fax:+86-731-22227757

Skype:ligangqing1985