OUR DTH HAMMER BITS,
THE MOST DEPENDABLE DTH HAMMERS & BITS
FOR BLAST HOLE DRILLING

Features:
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:
Down-the- hole 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 Bit
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

For further information, pls visit: www. changtandrill.com

Any items you are interested in, please email to us: impexp@changtandrill.com.

We will feel happy to give you a quotation upon receipt of your detailed requirements.