Stainless Steel Screw

[asalcedo]

Can anybody tell me where I can find screws like the one in the pictures attached?

It is in A4 stainless steel, wood screw thread, flat torx head, about

20mm long and 5mm thread diameter

The important things are:

- Wood thread

- flat head

- A4 stainless steel

It is to attach the wooden frame of a seat to a fiber glass base on a boat

Thanks,

Antonio

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[Tim Watts]

Is that a self tapper?

[michael adams]

Looks like a pan head single thread chipboard screw to me.

michael adams

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[asalcedo]

Yes, self tapered into the wood (not metal) Wood seems to have wider thread

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[Tim Watts]

Try the Spax and Paslode catalogues online - both those makers like torx heads and spax does stainless in other formats.

As someone else said, try looking for "chipboard" too.

[Brian Gaff]

Also you need to be aware that there are several grades of Stainless steel, some of it is ferric alloyed and hence can rust. Might be worth talking to a Chandler. Brian

[charles]

All steel is an alloy of iron. The point of "stainless" is that it doesn't rust.

[asalcedo]

I have looked around with the added knowledge of these thread, but have not found it.

No 12 1" long pan head chipboard screws are the closest, but have not found them with Torx drive and the diameter of the heads is much smaller

Is there not one or two places that stock a wide range of stainless steel screws?

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[charles]

I did find a firm in Hove (actually Portland Road) who did but that was years ago and I have no idea if theya re still there.

[michael adams]

Sheer unadulterated bollocks.

" Ferritic stainless steels generally have better engineering properties than austenitic grades, but have reduced corrosion resistance, because of the lower chromium and nickel content.

While

Indeed.

"Marine grade stainless, or SAE 316 stainless steel, is a molybdenum-alloyed steel and is the second most common austenite stainless steel (after grade

304). It is the preferred steel for use in marine environments because of its greater resistance to pitting corrosion than other grades of steel. [1][2}

michael adams

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