DTH hammer down the hole drill bit
Specification
1.Lower oil ,air consumption
2.Medium and high air pressure DTH bits
3.Air holes:2,3
4.Diameter:254,305,311,318,330
Tungsten Carbide DTH Drill Bits
Product Description:
1.diameter:85mm-555mm
2.DTH Hammer:3"-12"
3.Splines:4-10
4.Package:carton
5.Supply ability:2000pcs/month.
6.Low ,Medium and high air pressure
Our Tungsten Carbide DTH Drill Bits are made of high quality alloy steel with advanced heat threatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.The DTH bits have various sizes and styles ,can match many kinds of hammers such as Ingersoll-Rand, Mission, Atlas Copco etc. For the most effective operation in various drilling conditions, we offer flat face, concave, drop centre head designs.
Part No. | No.Air Holes | Dia(mm) | Weight(Kg) | Gauge Buttons | Front Buttons | DTH Hammer |
DR65PQ | 1 | 68-72 | 1.5 | 4×ø12 | 3×ø12 | 65 |
DR75PQ | 3 | 75-77 | 2.4 | 5×ø12 | 3×ø12 | 70 |
DR76PQ | 2 | 76-78 | 2.5 | 5×ø12 | 3×ø12 | 76 |
DR76-78 | 2 | 78-82 | 2.6 | 5×ø12 | 3×ø12 | |
DR80PQ | 3 | 82-84 | 3.0 | 5×ø12 | 6×ø12 | 80 80X |
DR90A | 3 | 90-95 | 3.6 | 6×ø14 | 4×ø12 | |
DR80XD-90 | 3 | 90-95 | 3.4 | 6×ø12 | 4×ø12 | 80XD |
DR80-II-80 | 3 | 80-82 | 3.0 | 5×ø12 | 4×ø12 | 80-II |
DR90B | 3 | 90-95 | 3.8 | 6×ø14 | 4×ø12 | 90 90-I |
DR90T1 | 2 | 90-95 | 3.6 | 6×ø14 | 1×ø12 3×ø12 | |
DR90T2 | 2 | 90-95 | 3.8 | 6×ø14 | 4×ø12 | |
DR90T3J | 3 | 90-95 | 3.6 | 6×ø14 | 4×ø12 | |
DR90T5 | 2 | 90-95 | 3.6 | 5×ø14 | 4×ø12 | |
DR90-100 | 3 | 100-105 | 4 | 6×ø14 | 5×ø12 | |
DR90-105 | 3 | 105-110 | 4.2 | 6×ø14 | 5×ø12 | |
DR90-110 | 3 | 110-115 | 4.5 | 8×ø14 | 3×ø12 |
The characteristics of Tungsten Carbide DTH Drill Bits:
1.Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2.Smooth performance and long service life of DTH bits 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 DTH bits.
4.Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5.Interchangeable with DTH bit and dill pipe manufactured by Atlas copco and Ingersoll-rand.
Welcome to contact us if you need any tools !
