
12" 13" 14" 15"DTH Hammer Bits Numa120 DTH Bit Rock Drill Bits For
Drilling
Product specifications: DHD1120 DTH bits
Drill Bit | Bit Dia.(mm) | NO.Air Holes | Gauge Buttons | Front Buttons | Weight(Kg) | Part No. |
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
With 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.
It also 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 mang 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 holeDia.:65-220mm
3.High air pressure hole Dia.: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.
Product photos
Changsha Sollroc Engineering Equipments Co., Ltd
Sollroc, with more than 10 years of experience, is one of the prefessional manufacturer and supplier of high performance rock drilling tools like, DTH hammers and bits, RC hammers and bits, ODEX system, symmetrix system, DTH drill rods and top hammer drilling tools, our tools are widely used in different drilling applications including mining, quarring, water well drilling and etc.
We can provide specifications:
DTH hammers range: 3"-12’’
DTH bits range: 90mm - 600mm
DTH opener bits: 4"-10" from 82/165mm to 445/660mm
Shanks : BR series, DHD, COP, Mission, Mach; SD; QL; Numa.
Tophammer tools
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60,GT68
Button bit face design: Flat face, drop centre,
Button bit body type: Normal and Retrac
Button bits diameters: 45mm-152mm