DHD380 8 Inch DTH Rock Drill Bits for Water Well Drilling
About Our Company
We are a leading manufacturer of rock drilling tools, including DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, couplings, cross bits, and drill rods. Located in Changsha, Hunan, China, we have 20 years of experience in DTH hammers and bits manufacturing. 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, and Malaysia.
Product Applications
DTH hammers and bits are widely used in:
- Underground mining and quarries
- Hydraulic and Hydro-Power Engineering
- Water well drilling
- Mineral exploration
- Anchoring hole drilling
- Geothermal engineering
- Subway excavation
- Other civil engineering projects
Key advantages include high flatness, smooth hole walls, rigid drill rods and hammers, independent high axial thrust, unlimited drilling depth, low device costs, and easy maintenance.
Product Specifications
8 inch Drill bit, DHD380 DTH bit
| Shank Bit |
Bit Dia (mm) |
Bit Dia (inch) |
Air Hose |
Gauge Buttons |
Front Buttons |
Part No |
| DHD380 |
200 |
7 7/8" |
2 |
10×φ18 |
8×φ18+6×φ16 |
HD85-200 |
|
203 |
8" |
2 |
10×φ18 |
8×φ18+6×φ16 |
HD85-203 |
|
216 |
8 1/2" |
2 |
10×φ18 |
8×φ18+6×φ16 |
HD85-216 |
|
219 |
8 5/8" |
2 |
10×φ18 |
8×φ18+6×φ16 |
HD85-219 |
|
222 |
8 3/4" |
2 |
10×φ18 |
8×φ18+6×φ16 |
HD85-222 |
|
225 |
8 7/8" |
3 |
10×φ18 |
8×φ18+6×φ16 |
HD85-225 |
|
229 |
9" |
2 |
10×φ18 |
8×φ18+7×φ16 |
HD85-229 |
|
235 |
9 1/4" |
2 |
12×φ18 |
20×φ16 |
HD85-235 |
|
241 |
9 1/2" |
2 |
12×φ18 |
20×φ16 |
HD85-241 |
|
254 |
10" |
2 |
12×φ19 |
8×φ18+18×φ16 |
HD85-254 |
|
270 |
10 5/8" |
2 |
12×φ19 |
8×φ18+19×φ16 |
HD85-270 |
|
280 |
11" |
3 |
12×φ19 |
9×φ18+21×φ16 |
HD85-280 |
Product Images
Quality Warranty
Our hammers are constructed from high-quality steel, with all components undergoing strict inspection before shipping. We respond promptly to all complaints and suggestions.
Packaging
Products are packaged in ply-wooden cases and pallets for export protection during transportation. Custom packaging solutions are available upon request.
Production Time
Standard production time is 15-25 days.
Transportation Options
Available shipping methods include air freight, express delivery, or sea transport, depending on customer requirements.
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