DIY sheds selling stainless screws

I don't recall seeing them in the sheds. Screwfix sell them and have a number of trade counters. Your YP may list one or more specialist fixing suppliers.

Places that sell bits for boats will have them - probably expensive but often in small packs so handy if you only need a few

I have a pack that I bought from B&Q, same range as Screwfix, but only in the very largest B&Q outlets.

Where abouts are you, I know somewhere with real prices in Loughborough.

Coventry. Cheers, Simon.

B&Q do a few. Screwfix have a fairly comprehensive range

Stainless steel can corrode as readily as mild steel if air is excluded from the surface.

Colin Bignell

What ? But I presume I am preventing rust, which needs oxygen, so either way I am safe. Any probs with stainless in cement ? if so makes a nonsense of stainless EML instead of galv, etc. Explanation ? Simon.

It's not a Shed but Components Direct have a very good range of both

"regular":

David

Ot what about one of these:

'Stainless' steel relies upon a surface film of oxides of chromium and nickel to keep it from rusting. Provided that sufficient oxygen can reach the surface, that film is self-repairing. However, as some yacht owners found out in the 1970s, when their keels started to drop off, if the level of oxygen at the surface is too low, the film cannot repair itself and the steel will readily rust. General purpose stainless steels are also likely to have minor surface contamination, which, because they break the film, can act as corrosion foci and lead to pitting. There are many situations where a well-protected carbon steel will serve as well, if not better, than stainless steel.

Colin Bignell