Specification |
After-sales Service: Online Technical Services;
Standard: AISI, JIS;
Surface Treatment: Spray-Paint;
Manufacturing Process: Process: Casting+Machining+Heating Treatment;
Material: Tungsten Carbide, High Manganese Steel;
Product Name: Eccentric Casing System;
Application: Coal Mining,Quarry Drilling,DTH Drilling;
Face Design Flat: Convex;Concave;
Transfer: Air/Sea/Express;
Match Hammer: DHD350 Ql50 HD55;
Casing Tube Outer Diameter: 127mm;
Max Reamed Diameter: 136mm;
Drill Pipe: 76mm;
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After-sales Service: Online Technical Services;
Warranty: 6 Months;
Standard: AISI, JIS, API 4 1/2"Reg;
Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Carbon Steel;
Length: 1471mm;
Weight: 187kg;
Advantage: High Performance,Wear Resistance;
Model Type: DHD, Ql, SD, Mission, Cop, Numa;
Application: Well Drilling,Construction Works , Mining Drilling;
Recommend Rotation Speed: 30-60 R/Min;
Working Pressure: 1.5-3.3MPa;
Hole Range: 195-254mm;
Outer Diameter: 180mm;
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After-sales Service: Online Technical Services;
Warranty: 6 Months;
Manufacturing Process: Forging;
Thread: R25,R32,T38,T45,T51,Gt60;
Product Name: Drill Rod;
Name: Thread Extension Rod;
Application: Coal Mining,Quarry Drilling, Construction,Stone Dr;
Advantage: High Performance,Wear Resistant,Factory Prices,;
Model Number: R32-1525mm;
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After-sales Service: Online Technical Services;
Warranty: 6 Months;
Manufacturing Process: Forging;
Thread: R22, R25, R28, R32,R32, R38, T38, T45, T51, St58,;
Product Name: Drill Rod;
Name: Thread Extension Rod;
Application: Coal Mining,Quarry Drilling, Construction,Stone Dr;
Advantage: High Performance,Wear Resistant,Factory Prices,;
Diameter: 22mm,25mm,28mm,32mm,38mm,45mm,51mm,60mm;
Length: 300mm to 8000mm;
Drill Rod Type: Drifter Rod, Speed Rod, Extension;
Other Names: Threaded Drill Rod, Drilling Rod, Roc;
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After-sales Service: Online Technical Services;
Warranty: 6 Months;
Manufacturing Process: Forging;
Thread: R22, R25, R28, R32,R32, R38, T38, T45, T51, St58,;
Product Name: Drill Rod;
Name: Thread Extension Rod;
Application: Coal Mining,Quarry Drilling, Construction,Stone Dr;
Advantage: High Performance,Wear Resistant,Factory Prices,;
Diameter: 22mm,25mm,28mm,32mm,38mm,45mm,51mm,60mm;
Length: 300mm to 8000mm;
Drill Rod Type: Drifter Rod, Speed Rod, Extension;
Other Names: Threaded Drill Rod, Drilling Rod, Roc;
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