13inch 14inch 15inch DTH Drill Hammer Bits
Product Description
13inch 14inch 15inch DTH Hammer Bits
13inch 14inch 15inch DTH hammer
With ROSCHEN professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards. It is durable for being produced with advanced craftwork and good material.
Product specifications: DHD1120 DTH bits
Drill Bit | Bit Dia.(mm) | NO.Air | Gauge | Front | Weight(Kg) | Part No. |
Holes | Buttons | Buttons | ||||
DHD1120 | 305 | 4 | 12*Φ18 | 36*Φ16 | 152 | DHD1120-305 |
311 | 4 | 12*Φ18 | 36*Φ16 | 157 | DHD1120-311 | |
330 | 4 | 16*Φ18 | 42*Φ16 | 165 | DHD1120-330 | |
356 | 4 | 16*Φ19 | 42*Φ16 | 178 | DHD1120-356 | |
381 | 4 | 16*Φ19 | 42*Φ18 | 198 | DHD1120-381 | |
SD12 | 305 | 4 | 12*Φ18 | 36*Φ16 | 156 | SD12-305 |
311 | 4 | 12*Φ18 | 36*Φ16 | 168 | SD12-311 | |
330 | 4 | 16*Φ18 | 42*Φ16 | 180 | SD12-330 | |
356 | 4 | 16*Φ19 | 48*Φ16 | 191 | SD12-356 | |
381 | 4 | 16*Φ19 | 48*Φ18 | 200 | SD12-381 | |
NUMA120 | 305 | 4 | 12*Φ18 | 36*Φ16 | 152 | N120-305 |
311 | 4 | 12*Φ18 | 36*Φ16 | 158 | N120-311 | |
330 | 4 | 16*Φ18 | 42*Φ16 | 165 | N120-330 | |
356 | 4 | 16*Φ19 | 48*Φ16 | 178 | N120-356 | |
381 | 4 | 16*Φ19 | 48*Φ18 | 195 | N120-381 | |
NUMA125 | 305 | 4 | 12*Φ18 | 36*Φ16 | 170 | N120-305 |
311 | 4 | 12*Φ18 | 36*Φ16 | 173 | N120-311 | |
330 | 4 | 16*Φ18 | 42*Φ16 | 182 | N120-330 | |
356 | 4 | 16*Φ19 | 48*Φ16 | 191 | N120-356 | |
381 | 4 | 16*Φ19 | 48*Φ18 | 200 | N120-381 |
DTH hammer has the following advantages:
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
DTH Bit
DTH bit is our main product. After many years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.
1.high and low air pressure down-the-hole drill bits
2. Low air pressure hole Diameter:65-220mm
3. High air pressure hole Diameter:85-305mm
4. Face type: drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.