Bolt size for DIY raised grid - Medium egg

Purpose

Can anyone who build a raised grid for their medium tell me what size bolts were used?

thanks in advance
B

Roll Tide

This is for a large, but I am sure you can adjust to make it work for you since the bolt, washer, and nut sizes should still apply.

http://www.nakedwhiz.com/ceramicfaq.htm#raisedgrid

NoVA Bill

Four inchs long.

Purpose

thanks, much appreciated

thirdeye

Here is Old Dave's write-up. Not only does it detail construction, it shows a variety of cooks with details. This Contraption is for a large Egg, so you will have to take that into consideration...

Dave's Contraption