ROSCHEN GROUP
| Supply Ability | 10000 tons |
| Packaging Details | steel bundle |
| Name | DTH Drill Pipe |
| Processing type | Forging |
| Machine type | Drilling Tool |
| Use | Blast Hole Drilling |
| Material | Carbon Steel,Carbide |
| Diameter | 60mm 70mm 89mm |
| Brand Name | ROSCHEN |
| Model Number | 60mm 70mm 89mm |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 10000 tons | Packaging Details | steel bundle |
| Name | DTH Drill Pipe | Processing type | Forging |
| Machine type | Drilling Tool | Use | Blast Hole Drilling |
| Material | Carbon Steel,Carbide | Diameter | 60mm 70mm 89mm |
| Brand Name | ROSCHEN | Model Number | 60mm 70mm 89mm |
| Certification | ISO | Place of Origin | CHINA |
| High Light | 70mm drill casing pipe ，89mm dth drill rods | ||
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
DTH Drill Pipe Feature
1. Through-hardened shank end for high wear resistance and a longer service life
2. Stainless steel flusing tube lining to prevent corrosion and breakage
3. Super tough 40SiMnCrNiMo steel, specially designed for wet or dry drilling.
4. Special anti-corrosion oil to protect the flushing hole of the rod.
5. High quality insert subjected to special bronze- brazing process.
DTH Drill Pipe Application:
DTH Drill Pipe are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
hollow drill steel
The hollow drill steel is vital material for making drill rods. It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled metallurgical process. The result is quality hex hollow drill steel with increased hardenability, uniform grain structure, and excellent machinability, which is difficult to break.
Drill rods made of Roschen hollow steel bars deliver stable drilling performance and extended wear life.
Materials: 55SiMnMo, 40SiMnCrNiMoA, 23CrNi3Mo, 80Cr, 95CrMo, 60Si2MnA
DTH Drill Pipe Specifications:
| Types of drill rods | Specifications | Length (mm) | Shank | Weight (kg) |
| Tapered drill rods | Taper Angle: 4, 6, 7, 11, 12 degree | 400mm to 8000mm | Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm | 1.7 - 24.9 |
| Integral drill steel | Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm | 400mm to 4800mm | 3 – 15.4 | |
| Plug hole rods | Chisel bit diameter: 17mm, 20mm, 22mm | 150mm to 710mm | 0.6 - 2.9 |
DTH Drill Pipe Pictures
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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