ROSCHEN GROUP
| Payment Terms | T/T In Advance |
| Supply Ability | 100000000 pcs |
| Delivery Time | 5 ~ 8 working days |
| Packaging Details | Wooden box |
| Brand Name | ROSCHEN |
| Model Number | 3 ~ 12 inch |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T In Advance | Supply Ability | 100000000 pcs |
| Delivery Time | 5 ~ 8 working days | Packaging Details | Wooden box |
| Brand Name | ROSCHEN | Model Number | 3 ~ 12 inch |
| Certification | ISO | Place of Origin | CHINA |
| High Light | DTH drill bits for Epiroc ，rock drilling machine bits ，down the hole drilling tools | ||
DTH Drill Bits
In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
Roschen DTH drill bits are divided into high pressure, low pressure two series. It is made by high quality raw material with advanced produce technology. DTH drill bit is widely used in earthwork engneering, mining, water well drilliing, construction.
| Bit size | Shank type | Recommended DTH bits diameter |
| 3.5”/3” DTH hammer bits | COP34, DHD3.5, MISSION30, BR3 shank | 90mm ~ 105mm |
| 4” DTH hammer bits | DHD340, QL40, MISSION40, SD4 shank | 110mm ~ 130mm |
| 5” DTH hammer bits | DHD350, QL50, MISSION50, SD5 shank | 134mm ~ 152mm |
| 6” DTH hammer bits | DHD360, QL60, MISSION60, SD6 shank | 152mm ~ 203mm |
| 8” DTH hammer bits | DHD380, QL80, MISSION80, SD8 shank | 203mm ~ 305mm |
| 12” DTH hammer bits | DHD112, SD12 and QL120 shank. | 350 ~ 650 mm |
| Notes: Any special size is available against requirements. | ||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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