KSQ Technologies (Beijing) Co. Ltd
| product name | DTH Hammer Bits |
| Item | Drilling Equipment Bit |
| Supply Ability | 30000 |
| Application | Mining,Rock Drilling |
| Applicable Industries | Construction works , Energy & Mining |
| Rock Drilling | High Performance |
| Packaging Details | Wooden box |
| Keyword | High performance DTH drilling bits |
| Color | Green or Customized |
| Certification | ISO |
| Place of Origin | CHINA |
| Model Number | DHD350A |
| Brand Name | MIROC |
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Product Specification
| product name | DTH Hammer Bits | Item | Drilling Equipment Bit |
| Supply Ability | 30000 | Application | Mining,Rock Drilling |
| Applicable Industries | Construction works , Energy & Mining | Rock Drilling | High Performance |
| Packaging Details | Wooden box | Keyword | High performance DTH drilling bits |
| Color | Green or Customized | Certification | ISO |
| Place of Origin | CHINA | Model Number | DHD350A |
| Brand Name | MIROC | ||
| High Light | 222mm DTH hammer bit for hard rock ，DHD350A water well drilling tool ，mining rock drilling tools with warranty | ||
| Diameter (mm/in) | Buttons and Size (mm) | Flushing Hole | Weight (kg) | Part Number |
|---|---|---|---|---|
| DHD350 Ballistic button/Concave face | ||||
| 130 / 5 1/8 | 4×14,3×14 | 8×16 | 15 | 4148301310 |
| 133 / 5 1/4 | 4×14,3×14 | 8×16 | 15 | 4148301311 |
| 140 / 5 1/2 | 4×14,4×14 | 8×16 | 16 | 4148301312 |
| 146 / 5 3/4 | 4×14,4×14 | 8×16 | 18 | 4148301313 |
| 152 / 6 | 4×16,4×16 | 8×18 | 20 | 4148301314 |
| DHD350 Spherical button/Concave face | ||||
| 130 / 5 1/8 | 4×14,3×14 | 8×16 | 15 | 4148301315 |
| 133 / 5 1/4 | 4×14,3×14 | 8×16 | 15 | 4148301316 |
| 140 / 5 1/2 | 4×14,4×14 | 8×16 | 16 | 4148301317 |
| 146 / 5 3/4 | 4×14,4×14 | 8×16 | 18 | 4148301318 |
| 152 / 6 | 4×16,4×16 | 8×18 | 20 | 4148301319 |
| DHD350 Ballistic button/Convex face | ||||
| 130 / 5 1/8 | 3×14,4×14 | 9×16 | 15 | 4148301320 |
| 133 / 5 1/4 | 3×14,4×14 | 9×16 | 15 | 4148301321 |
| 140 / 5 1/2 | 3×16,4×16 | 9×16 | 16 | 4148301322 |
| 146 / 5 3/4 | 3×16,4×16 | 9×16 | 18 | 4148301323 |
| 152 / 6 | 3×16,5×16 | 9×18 | 20 | 4148301324 |
| DHD350 Spherical button/Flat face | ||||
| 130 / 5 1/8 | 7×14 | 8×16 | 15 | 4148301325 |
| 133 / 5 1/4 | 7×14 | 8×16 | 15 | 4148301326 |
| 140 / 5 1/2 | 7×14 | 7×18 | 16 | 4148301327 |
| 140 / 5 1/2 | 8×14 | 9×16 | 16 | 4148301328 |
| 146 / 5 3/4 | 8×14 | 9×16 | 18 | 4148301329 |
| 152 / 6 | 8×16 | 9×18 | 20 | 4148301330 |
| Feature | Description | Benefit |
|---|---|---|
| Valveless Distribution | No foot valve design, air distributed directly | More reliable, fewer internal parts |
| Optimized Flushing | Strategically positioned air holes | Efficient cuttings removal, prevents bit balling |
| Multiple Head Profiles | Concave / Flat / Convex options | Adaptable to different rock conditions |
| Premium Carbide Buttons | Spherical and ballistic button configurations | Superior wear resistance and fast penetration |
| Profile | Best For | Key Benefit |
|---|---|---|
| Concave | Hard, abrasive rock | Shearing action, prevents bit balling |
| Flat | Medium-hard rock | Balanced cutting, versatile |
| Convex | Extremely hard rock | Concentrates impact energy in center |
| Industry | Application |
|---|---|
| Mining | Blast hole drilling, ore extraction |
| Water Well | Large diameter water well construction |
| Quarrying | Aggregate production, dimension stone |
| Construction | Foundation drilling, piling |
| Geothermal | Geothermal well drilling |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit... KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
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