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Jinquan's self drilling anchor bolt, including hollow steel anchor bar, steel drill bit or carbide drill bits, coupling, nut, plate and stopper etc., is a bolting solution for unstable ground conditions.
Self drilling anchor bolt, R25N, R32L, R32N, R32S, R38N, R51L, R51N, T76N, T76S.
1. drilling bar self drill anchor bolt
2. self-drilling grouting
3. use in mine, hard rock, tunnel
4. R&T thread
5. accessories available
6. R25N-T76S
Application:
Tunneling
Soil Nailing
Mining
Slope Stabilization
Hydroelectric Station
Civil Construction
Other underground projects
Welcome to visit our factory in China, and expecting to establish long terms cooperations with you!
Jinquan R38N self drilling anchor bolts