For clamping and supporting of surfaces that are not exactly parallel. Maximized load transmission due to moveable ball. Material Ball Ball-bearing steel, hardened Stainless steel, hardened Screw Heat-treated steel, 1200 ±100 Nmm2 Stainless steel 1.4305 Notes Fully rotating ball. Special types on request. References Thread lock on request, please refer to appendix - Technical Data