Drill Pipe Manufacturers and Supplier China - for
HACKER DRILL PIPE ROSCHEN Hacker thread drill pipe are manufactured from 2-3/8' thru 7' with 4142/4145 heat-treated alloy steel. These are available in three types: 1. Threaded screw-on type, 2. Counter-bore weld type, 3. Flash or inertia weld type. Hacker Tool Joints are micro... Read More. OCTG EUE Drill Pipe
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