This product is a long thread, easier to install, usually used for heavy-duty facilities.
To obtain reliable, enormous clamping force, it must ensure that the gecko fixed clamping ring fully inflated. And expansion of the clamp ring can not fall from the rod in the hole or distorted.
Rally calibration value must not exceed *5% of the nominal values resulting in maximum test, under safe load conditions the strength of cement **0 ~ **0kgs / cm2 of.