Min. Order Reference FOB Price
20 Pairs US$20.00-30.00 / Pair
Product Description
57mm 65mm tool joint coupling for drill pipe Product Description Our drill pipe adapters (tool joints) are made of 35CrMo or 42CrMo material, which is quenched and tempered after rough machining, and surface nitrided after finishing, which effectively eliminates the failure probability of ...