... , R51, T76 3)Drilling, grouting, anchori Self drilingl grouted anchor bolt is applicable to engineerings of railway, highway, tunnel, mine, water ... conditions, which no other material can serve as the substitution.Anchor bar: R25N, R32L, R32N, R38N, R51N, T76NAnchor coupling: R25 ... , R32, R32, R38, R51, T76Anchor nut: R25, R32, R32, R38, R51, T76Anchor plate: 150*150*6mm ...