China Rockbolt for Tunneling and Mining, Find details about China Rock Bolt, Rock Bolt Specification from Rockbolt for Tunneling and Mining
Rock Bolt Dia:20,25,32,36,40,50mm |
Surface:Self Color,HDG, |
Accessory:Domed Nut,Hex Nut,Couplers,Centralizer,Expansion Shell |
Grade:500/630Mpa,830/1030Mpa,930/1080Mpa |