I was thinking of having a removable centre piece, might need something to prevent vibration.
I have been looking today and I think 8mm to 10mm rivets might offer the best grip range, those 12.5 ones from screwfix are readily available but not sure if they pull down on 3mm.
Cheers
Last edited by chriseyj : 2nd July 2009 at 04:30 PM.
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