Min. Order Reference FOB Price
20 Pieces US$15.00 / Piece
Product Description
Product Description Generally coupling/adapter sub are API standard thread full-hole(FH) style connection threads 3 1/2'' FH 4''FH 4 1/2'' FH 5 1/2''FH 6 5/8''FH internal-flush(IF) style connection threads 2 3/8'' IF 2 7/8'' E 3 1/2'' F 4'' IF 4 1/2'' IF 5 1/2'' IF ...