Doug shows the proper technique for installing Spring Force Bolt Hangers.
Conical shape exerts a constant spring force to keep bolts from coming loose. 316 stainless steel for greater corrosion resistance.
316 stainless steel
Bolt hole fits 1/2” or 12 mm bolts
4 mm (0.15”) thick
Strength: 25 kN (5620 lbf)
EN 959 compliant
Not for use in high corrosion marine environments
https://www.metoliusclimbing.com/spring-force-bolt-hanger.html
