1, high tensile strength
2, save steel and reduce the labor intensity
3, 3-5 times higher fracture strength
4, easy installation, light weight
Prestressed steel wire bolt of mine is the company's patented product, the use of the strand tensile strength of 1860MPa, combined with our proprietary bolt tail end of rivet rod technology, manufacturing of steel wire bolt.
17.8/15.2 two existing specifications, the maximum breaking force were 360Kn, 260Kn.