Purchase Qty. Reference FOB Price
100-999 Pieces US$5.50
1,000+ Pieces US$5.00
Product Description
Oil drilling rig cementing 5-1/2" float ball type casing float collar float shoe guide shoe Product Description The core material is made of alumimium alloy with good drillability. Shell made of high quality seamless steel tube, high strength. • A patented metal-to-metal seal system offers ...