Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For
We offer THE COMPLETE SOLUTION including DTH drill bits, DTH
hammer, RC hammers, RC bits, ODEX system, Symemtrix system, drill
rods, shank adapters, accessories and added value services.
- We offer top hammer equipment for every application, such as
underground mining and quarries, road and construction.
- We've been involved in the mining industry for 10 years. We look
for excellent performance in our products and service.
Our hammer and bits are made of high quality alloy steel with
advanced heat treatment to assure the good drilling performance and
long service life. They are widely used by our customers all over
All the products are manufactured as per the international standard
and well compatible with the brand of Atlas Copco, Ingersoll-Rand,
1) DTH hammers series we supply
A) High pressure series
B) Medium pressure series
C) Low pressure series
D) High efficiency high pressure series
E) Reverse circulation series
2)Outside diameters: 61.2~275mm
3)Drilling diameter: 68~508mm
Bit Face Shape Selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock
formations. Low to medium air pressures. Maximum hole deviation
2. Concave Face
The all-around application bit face specifically for medium hard
and homogeneous rock formations.
Good hole deviation control and good flushing capacity.
3. Convex Face
For high penetration rates in soft to medium-hard with low to
medium air pressures. It is the most resistance to steel wash, and
may reduce theload and wear on the gauge buttons, but poor hole
4. Flat Face Bit
This kind of face shape is suitable for hard to very hard and
abrasive rock formations in applications with high air pressures.
Good penetration rates an resistance to steel wash.
Carbide Button Shape Selection:
1. Semi-Ballistic Buttons
2. Ballistic Button
3. Spherical Button
4. Two-step Button
All can be designed according to your requests!