SOLLROC 140mm M50 Carburized Steel DTH Drill Bits for High Performance Coal Mining
We are a leading manufacturer of rock drilling tools, specializing in DTH hammers and bits, DTH drill pipes, RC hammers, top hammer button bits, couplings, cross bits, and drill rods. Based in Changsha, Hunan, China, we have 20 years of experience in the field of DTH hammers and bits.
Our commitment to high quality, professional service, and competitive pricing has earned us an excellent reputation among customers worldwide, including France, Spain, Italy, South Africa, Australia, Iran, Malaysia, and more.
DTH hammers and bits are widely used in:
- Underground mining and quarries
- Hydraulic and Hydro-Power Engineering
- Water well drilling and mineral exploration
- Anchoring hole drilling
- Geothermal engineering
- Subway excavation and civil engineering
Key advantages include high flatness, smooth hole walls, rigid drill rods and hammers, no axial thrust limitations, unlimited drilling depth, low device costs, and easy maintenance.
5 inch Drill bit, Mission50 DTH bit
| Model | Bit Dia(mm) | Bit Dia(inch) | Air Hose | Gauge buttons | Front buttons |
|---|---|---|---|---|---|
| Mission50 | 115mm | 5 1/2 | 2 | 8×φ16 | 8×φ14 |
Our hammers are manufactured from high-quality steel with all components undergoing strict inspection before shipping. We provide prompt responses to all complaints and suggestions.
Products are securely packaged in ply-wooden cases and pallets for export to prevent damage during transportation. Custom packaging solutions are available upon request.
Standard production time is 15-25 days.
We offer flexible shipping methods including air freight, express delivery, and sea transportation based on customer requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.