... 3)Drilling, grouting, anchori Self drilingl grouted anchor bolt is applicable to engineerings of railway, highway, tunnel, mine, water control ... project, slope, dam, bridge group, banks of river, ocean, sea, foundations of high buildings and building reinforcement projects etc. ... conditions, which no other material can serve as the substitution.Anchor bar: R25N, R32L, R32N, R38N, R51N, T76NAnchor ...