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Sorry if that lead you up the garden path!… I read something which lead me to believe it had an electrical spread control. But having looked more closely, you’re absolutely right.

Have you written you will yet, Spectric? I can drop this off as I drive through Cumbria…

I work in a high risk job, in a high risk industry. I see lots of instances of accidents, both firsthand and reported; I don’t recall seeing an instance of an accident, where all procedures had been followed correctly. Sadly, this often leaves us thinking ‘if only’… if only this young man had...

I will be travelling too and fro Banff, Scotland, in coming days; free delivery is possible, en route.

My earlier comments about the likelihood of galvanic corrosion, in this context, not withstanding, this need not be the case. The steel is being attached to wood, so a clearance hole can be used, meaning the only contact is between the head and the countersink.

What is it that you wish to drill, that requires more power? I appreciate your need for speed variation that doesn’t rely on belts! I always recommend heavy old cast iron; you could get something very nice indeed, for that money, and still have change to buy a more powerful motor. There are...

Oops! Sorry Tom, I quoted the wrong response 🤦🏻‍… it was someone else wanting to do stainless screws.

So indoors? I really wouldn’t worry about galvanic corrosion. Assessing such corrosion is part of my job. I tend to use a dab of glue or oil on screws into wood; that would give you a belt and braces peace of mind. You can leave the screws in a sealed container with a boiled egg, to give them...

What’s the actual application of this? I take it, from your query about clear lacquer, that the steel is to be in-coated, or clear lacquered all over.

Ah, I see. Well you’d still have galvanic corrosion, probably preferential, so the steel would rot more rapidly; those nice brass screws would fall out of the rotted steel, and whatever they were holding together would fall apart. However, if one were exposing these materials to salt water by...

So how would a stainless screw help?

It’s not a direct chemical reaction that is the concern with diss-similar metals; an electrolyte is required in order for galvanic corrosion to occur. So, as long as the tools you describe do not come into contact with an electrolyte, corrosion will not be a problem. Otherwise, a simple barrier...

Cuddington

No they wouldn’t. The further apart the materials are in the galvanic series, the more readily they will form a corrosion cell. Brass is actually fairly close to mild steel, and so as long as there is no electrolyte (eg salt water), there’s unlikely to be a problem with those.

I missed out on the particular machine, but yes, I’d consider one if it came up again.

I’m open to offers