Hi Arn

Blimey you kids can't be trusted to do anything!!!! that's the bad news!!!

The good

Just grind or file the heads off(don't mark the cover!!) and drill what's left out at your leisure.

What you want is M6x12

http://www.ebay.co.uk/itm/M6-A2-Stai...item19ed35e663

Or ping me you address and I'll send you my originals I found some stainless but put them in mine and took the others out sorry mate!!!