Ok it's not exactly 80mm, but 1mm out should be fixable with file/glasspaper
http://www.gwsupplies.co.uk/p/2863/starrett+holesaw+79mm.htm
Don't forget you will need an arbour to use the hole saw
Hi,
A friend of mine has a range cooker, rated 60,000 BTU for hot water and central heating. At the moment the central heating system has a heat leak in the bathroom. Wanting to update the bathroom and change the rad we would like to know what wattage/btu the new rad should be. I have...