what size of cup washers & self tappers for interior panels?

[shea]

I was wondering if anyone could tell me what size of cup washers and self tappers work for fitting a 3mm birch interior panel kit or even better the best place to get them?

Thanks!

 

[Alex VW Heritage]

https://www.vwheritage.com/shop/211863615KIT/screw-cross-head-cup-set-64-pk-100-interior-panels/" onclick="window.open(this.href);return false;

These may help?

 

[Harlequin]

Woolies...
http://www.woolies-trim.co.uk/c-339-cup-washers.aspx" onclick="window.open(this.href);return false;
http://www.woolies-trim.co.uk/c-61-self-tapping-screws.aspx" onclick="window.open(this.href);return false;