I bought these expecting them to be crap because of the price.
http://cgi.ebay.co.uk/1mm-Cutting-Di...item20b75b28c1
Very surprised. I cut through two pieces of 40mm mild steel bar a couple of days ago and the disc didn't reduce by 1/4". Been using them to cut chassis plates,diff plates etc and still got ten left. A definite reccommendation from me.
Gaz