r25 r28 r32 Bench Rock Drilling Threaded Drill Rod 40cr Steel Material
Discover the R25 R28 R32 Bench Rock Drilling Threaded Drill Rod, made from 40CR steel material. This 2m - 5m Length Friction Welding Rock Drill Rod is designed for geological and water well drilling applications, offering superior durability and performance with advanced friction welding technology.