Hi aom, you are only testing the pull out load between the thread of the screw eye and the timber, you need to install the shortest possible eye (normally 90mm long) and pull test that. The length of the eye is irrelevent in terms of tensile load.
Hi Scaffy,
The problem is not with the excallibur, we can test them no problem, it's the Appollo ties which are 350mm long. Our test rig will just not screw out to take it and I have never seen one that can but there must be a simple solution like you say, even some sort of attachment would be fine. I actually wondered if we would get away without testing these as substrate is new and uniformed in strenth and other properties, long shot I know but worth a go.![]()