Product Description
Down th hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. Sollroc DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.
DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by the distribution device in the hammer, and then impacts the DTH bit in the front of the hammer to transit the impacting power to the bit. The DTH bit in the front of the hammer breaks the rock to drill hole.
| Diameter(mm) | Diameter(Inch) | Connection Thread | Length |
| 76mm | 3" | API 2 3/8"Reg | 1m-6m |
| 89mm | 3 1/2" | API 2 3/8"Reg | 1m-6m |
| 102mm | 4" | API 3 1/2" Reg | 1m-6m |
| 114mm | 4 1/2" | API 3 1/2" Reg | 1m-6m |
| 127mm | 5" | API 3 1/2" Reg | 1m~10m |
| 140mm | 5 1/2" | API 3 1/2" Reg | 1m~10m |
| 152mm | 6" | API 4 1/2" Reg | 1m~10m |
Features
1. Carefully selected seamless steel pipe and high quality alloy steel for joint tools.
2. Precisely friction welded to ensure straightness and concentrically.
3. Multiple precisely heat-treated tools joint.
4. Internally and externally upset drill rods are available.
Advantage
Applicable hard,very hard and medium soft rock formations. Reliable quality, long service life, rare abnormal breakage during service life. Good flushing effect to ensure high drilling rate.
Product application
At present, DTH drilling tool is widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering.
Detailed Pictures
Packaging and Shipping
Packaging: Plywood case+pallet, or as request.
Shipping: By air, by sea, by express, or as request.
Company Information
Sollroc is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard.
with more 10 years of experience ,is one of the professional manufacturer and supplier of high performance rock drilling tools like: DTH hammers and bits, RC hammers and bits, DTH drill rods and top hammer drilling tools. Our tools are widely used in different drilling applications including mining, quarrying, water well drilling, geotechnical industries and etc.
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Reg And API 3 1/2"Reg Friction Welded DTH Drill Pipe / Down The Hole Drill Rod Images
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