couple of tools ive knocked up.
first is my take on rivnut tool, made using bearing cup and cone nut from old bike hub and 4mm thick spacer.
had to file down cone nut on nut side so it didnt protrude through spacer.
pic 2 is assembled.
second is wire stripper for getting outer sheath off when recycling the copper.
made from 12mm square bar.
2 pces side by side holes drilled size of cable through centre.
2 m5 bolts fitted one top one botom, then just needs stanley blade to score outer.
bolt in vice or hold in hand and you pull through.
just noiced pics gone in in wrong order