High Strength Drill Steel Pipe With Friction Welding 5.5-10mm Wall Thickness

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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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High Strength Drill Steel Pipe With Friction Welding 5.5-10mm Wall Thickness

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High Strength Drill Steel Pipe With Friction Welding 5.5-10mm Wall Thickness

2 3/8", 2 7/8",3 1/2",4 1/2" API Reg DTH drill rod / pipe with Friction Welding DTH drill pipe is mainly used in the drilling blasting hole, guardrail hole, mountain reinfrcement, anchoring and other ...

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well drilling rods

water well drill rods

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