Worn Connectors – Pull Testing 11-6-2017

Over the last few months I’ve been collecting a few bits of retired equipment from stores checks and ‘isolation’ bins with a view to looking at loss of strength due to wear. Nothing here constitutes a scientific test and this is purely for my own satisfaction, but I’m writing it up anyway. I used my …
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Pulling SPIT anchors – Back garden test

This week I thought I’d embark on a little back garden test of some brand new SPIT self driving anchors and some SPIT Grip 10mm sleeve anchors. Both take a normal M8 bolt and hanger and can be found in caves and mines across the UK. The Grip sleeves are placed with a drill and only …
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