Min. Order Reference FOB Price
2000 Meters US$3.00-20.00 / Meter
Product Description
Product Description With continuous R or T thread, the bar can be connected by the coupling. Features: 1) It is made of high-strength steel by rolling, and the material conforms to GB/T 3077 "alloy structural steel". 2) The R-type hollow bar is produced with a left-handed wave thread, which uses ...