47mm split sets rock bolt, ISO certificate, SGS approved friction stabilizers bolt in underground mining supporting

47mm Split Sets Bolt :  Split sets bolt produced by ANTO Company is made of high-yield and high-strength steel; the welding ring has good welding power. In the mine support, even if the rod body is broken, the welding ring is not easy to fall off. Split sets bolt also named split sets, friction bolt, friction stabilizer, split sets stabilizer.     Application Area: ANTO Split sets bolt are mainly used in hard rock mines such as copper and gold mines. Bolts are installed in the rock strata by extrusion, which can generate axial and radial frictional expansion force with the rock strata, thereby generating huge supporting force and protecting the safety of the roadway.   Product Parameters: Item  No. Diameter Steel thickness Min Yield Strength Min Breaking…