06-28-2014, 04:21 PM
They used those chemical anchors at a place I worked at over 20 years ago. The guy using them failed to blow out the hole properly before inserting them so they failed to bond properly. Good idea maybe, but a waste of time if the guy using them doesn't read the instructions.
Arbalest, proud to be a member of MetalworkingFun since Sep 2012.