high strength threaded rod

ASTM A519 Tubo de perfuração sem costura de aço carbono em caixas de madeira

Product Description: Seamless Drill Pipe is a kind of 1541 drill tubes that are made of carbon steel, alloy steel and stainless steel. It features an outer tube and an inner tube, which are both essential components of wire line drill pipes. It is available in a wide range of sizes from 1/2” to 24” ...