Min. Order Reference FOB Price
1 Piece US$200.00-30,000.00 / Piece
Product Description
Product Description Lifting Subs Lifting subs are made of AISI 4145H modified chromium-molybdemum alloy steel according to API Specification 7. All threads are phosphated, copperized or cold worked. Lift Subs - provide a way to lift the Drill Collars up into the mast and then into the ...