The existing holes are 13.5mm so no need to drill out. I've found some 13mm shoulder bolts on eBay of the right length, so will try them, with lashings of copperslip as you suggest to avoid future seizing up. Thanks everybody for your help.

Thanks for this Bluedog333. "Shoulder Bolt" was the magic word(s) - as soon as I used this in my searches it did the trick. Seems the LR ones are no longer available even at that ridiculous price, but found plenty of likely candidates on eBay for more sensible prices.

Thanks for that Oldseadog. I think maybe yours may be a different style? The bolts that formed the hinges on mine are more complicated. The top of the bolt is unthreaded, 13.5 mm diameter and 19 mm long, and the rest is threaded, 8mm (M8) and 13 mm long and fits with a large heavy duty M8 washer...

Had to dismantle my folding side steps (Defender) as they had completely seized and were badly corroded. I have removed the rubbers and cleaned them up, treated the rust and prepared them for refitting, but the seized hinge bolts were destroyed in freeing them up and need replacing. Does anybody...

Newby to forum, and to owning a Landy. 1996 Defender 110 CSW 300TDi Looking forward to learning more about these fantastic vehicles.