Rock bolt are the the invisible guardian of slope stability, providing solid structural support for various engineering projects
Which are installed into pre-drilled holes of slope rock and soil, and firmly combined with the stable rock stratum through mechanical anchoring, cement grouting or epoxy resin bonding. Equipped with anchor plates and nuts, they tightly fasten the loose, unstable surface rock and soil to the deep stable substrate, forming an integrated stress system,we called Rock Bolt System.
Yidao Metal main products are soild rock bolt, dome nut, dome plate,which widely used on project of Underground Mining Engineering,Tunnel and Underground Railway Construction,Slope Stabilization,Hydraulic and Hydropower Engineering and some Hydraulic and Hydropower Engineering,
The standard rock bolt assembly adopts two common structures:
1. Dome nut + Dome plate
2.Dome washer + Hex nut + Dome plate
Optional Dome Plate Type:
Square Dome plate,Spike plate, four-claw plate and other special designs are available.
Yidao Metal provides customized OEM & ODM solutions for all sizes and styles.
Corrosion Protection
Most rock bolt projects require high anti-corrosion performance.
We supply two premium surface treatments:
◎ Hot-dip galvanized (HDG)
◎ Epoxy coated
Technical Specifications
◎ HDG Zinc coating thickness: ≥ 85μm
◎ Maximum production length: 12m
Epoxy Coating thickness:220un-400um
Maximum production length:12m
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