Min. Order Reference FOB Price
1 Piece US$315.00 / Piece
Product Description
Non-Magnetic Steel Drill Collar The Non-magnetic drill collars are made fom low carbon stainless steel and conform to the requirements of API Spec.7 and SY/T5144. All threads are phosphated copperized or cold worked. All Connecions are equipped with pressed seel thread protectors.All threads ...