Wing Expansion Anchor
Wing Expansion Anchor designed by SPT company researching team,it has the market expansion shell anchor is function properties, and exceed it more and more in installation,function,cost reduction,also it's suitable for more dimension borehole.
Working capacity in pre-drilled bore hole:
1. Suit to O.D 36-50mm borehole,could be adjusted by hand in the working range.or ordered.
2. Pre-stressing capacity : Min 80KN, other requests could be ordered
3. it has injection grouting Function.
Wing Expansion Anchor can be used in a widely projects:
1.mining rock support project
2.crowfoot hook in bridge project
3. through walls bolt anchor
4. footbolt stabilizer