Anyone know where I can buy aluminium crush washers?

I need about a dozen, maybe 20. 14mm internal diameter, 20mm external diameter.

Anyone know what size to order? M14?

Cheers

Mike

Will these do?

Ebay

Copper rather than aluminum.

Mike

I might have some spring washers - them any good?

try thinkauto.com

FBM 3514 aluminium 9/16 in (14.28 mm), 88 pence.