Specification |
After-sales Service: Yes;
Warranty: Resend New in Case Bad Quality;
Surface Treatment: Nitriding Treatment;
Manufacturing Process: Forging;
Material: High-Quality Hard Alloy, Best Quality Steel;
Formation: Soft-Hard Formation;
Advantage: Ore Mining, Coal Mining, Well Drilling;
Application: Rock Drilling, Core Mining, Well Drilling;
Color: Blue, Golden, Black, Red, Customize;
Usage: Small Hole Drilling, Gas Deep Hole Drilling, Boreh;
Name: High, Low, Medium Air Pressure 6 Inch DTH Down Hol;
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Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Alloy Steel;
Connection Thread: API 2 3/8" Reg, API 3 1/2" Reg;
Hole Range: Dia 135 - 155 mm;
Working Pressure: 1.0 - 2.5MPa;
Compatible Bit Shank: Cop54, DHD350, Ql50, M50, SD5, CD55;
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Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Alloy Steel;
Connection Thread: API 2 3/8" Reg;
Hole Range: Dia 110 - 130 mm;
Working Pressure: 1.0 - 2.5MPa;
Compatible Bit Shank: Cop44, DHD340, Ql40, M40, SD4, CD45;
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Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Alloy Steel;
Connection Thread: API 2 3/8" Reg;
Hole Range: Dia 110 - 130 mm;
Working Pressure: 1.0 - 2.5MPa;
Compatible Bit Shank: Cop44, DHD340, Ql40, M40, SD4, CD45;
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Standard: JIS, ASTM;
Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Alloy Steel;
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