rockbolt

... ; 2)high strength; 3)great pretightening load concrete steel resin rockbolt without longitudinal rib executes MT146.2-2002 standards,and is ... bending & shearing is greater than rod, be new kind of rockbolt.It possesses the feature of high strength,reasonable structure,great ...

... give me more info about the cooperation. tuercas/rock bolt /rockbolt nut/spherical nut/spherical washer

1.rock bolts 2.Widely used in tunnel presupport, slope and roadbed reinforcement 3.Diameter:25/28/32 rock bolt , matched with good fittings, is made of seamless steel pipe. It has been widely used in tunnel presupport, slope and roadbed reinforcement and base bit support as anchoring.Product Features:1.With a bit at the anchor head, it is easy to cut through various rocks.2.With the continuous ...

... collapsing, extra-long anchor is needed instead of ordinary one. Rockbolt self-drilling anchor embodies drilling, grouting and anchoring as a ...

... art. Due to it's cuttability Supanchor FGRP Self-Drilling Rockbolt is an economical alternative and also enormous advantagies for modern ...

1.FRP Rockbolt 2.Surface: All- threaded/sandblasted 3. Diameter: 3-40mm 4. ...