thread404-454467
Thank you for all the comments on the above thread. That was a wee while ago and I eng-tips stopped me from signing-in, but I still frequently have the same problem. - What is the best way to seal screw holes? Please have a look at the old thread for context.
A bonded washer...
I frequently have low pressure sealing problems where the screws joining the parts are the main trouble. Dowty seals are the obvious solution but at small sizes (M3, for example), I can only find the non-self-centring type. The trapezoidal rubber section does not seem to offer enough rubber...