API Standard Black Gray Red HDD Drill Rod For Coal Mining
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...Coal Mining Drill Pipe Usage Notes 1. New drill pipe should be pasted oil before connection 2. Make up and break at least 3 times before drilling 3. Hard bending and plastic coating can be processed according to clients’ special requirements. Product Display Rod dia(mm) Rod Length(mm) Thickness (mm) Connect Thread Trigger Slot inch mm 3 76 1000-6000 5 API2 3/8”REG 57/64.5 3 76 1000-9000 8 API2......
NANJING STETON ENGINEERING MACHINERY CO.,LTD
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