Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling

Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling

Product specifications:

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 the world.

All the products are manufactured as per the international standard and well compatible with the brand of Atlas Copco, Ingersoll-Rand, etc

Main Features
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 control.

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 deviation control.

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

Product photos