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Rye54

Member Since: 09 Jul 2017
Location: Scotland
Posts: 48

Help choosing rivet length

Looking for a bit of help on what length rivets to buy to join 2 pieces of 2mm aluminium sheet together, there seems to be discrepancies between what various suppliers and guides recommend. I had originally planned to buy them based on the grip range of the rivet 4.8x10mm rivet with a grip range of 4-6mm, which according to one supplier was correct. However, having just checked online some websites recommend combined material thickness (4mm) + (1.5 x rivet diameter = 1.5x4.8 = 7.2mm) = 11.2mm meaning I would need a 4.8x16mm rivet with a grip range of 10-12mm.

Also, looking at aluminium case with stainless steel mandrel rivets, I assume they are widely used on aluminium body panels?

Any help would be greatly appreciated.

3rd May 2021 2:54pm

ickle

Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1786

2008 Defender 110 Puma 2.4 CSW Alpine White

I was taught panel thickness plus 1.5 rivet diameter was correct for a normal 'pop' rivet.

Panel thickness plus 1x rivet diameter for a sealed 'Avdel' type

Normally disregard any allowance for sealer etc.

HTH Keith

3rd May 2021 6:41pm

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