Expansion bolt for aid climbing and alpine raps. To use it you drill the hole, hammer in the stud, and draw it out with a wrench to tighten the collar. The independent dog-point impact site protects the starter threads from hammer abuse. Note, the new KB3 version has greater strength than previous generations.
- Made of stainless steel.
- A textured expansion sleeve helps grip rock when being tightened.
- Embedded depth 11/8in. shear strength is 11.3kN, tensile strength is 6.4kN. (Specs are for 4000psi concrete and denote load over the threads.)