vyv_cox's latest activity

Not necessarily when being tightened. Pressure between the two surfaces, either static or dynamic, tends to squeeze out lubricants...

That's galling for you! There is no removal process. Galling is welding of the asperities on opposing parts. When my babystay...

Stainless steel nuts and bolts can gall. E.g. Galling is serious…but there are solutions - Stainless Steel World Standard fasteners...

Mine are A4 50 as far as I know. It's a very long time since I saw them!

Steel bolts, whether galvanised or not, use a simple strength designation marked on the head. For example, the first digit in an 8.8 is...

Sorry, I am not qualified or experienced in this technology. You might like to read this All You Need To Know About Coolants - Coolants...

Yes, exactly that but not the same boat. Windlass installation Has been very successful with no negatives other than not being able to...

I have many similar photos from engines all around the world, mostly large. Gas engines, diesel generators, etc. Some in Oman, where...

My toerails were varnished when we purchased the boat in 1994. We continued to varnish on a regular basis as the appearance was good...

When I upgraded my genoa winches many years ago I was intending to buy Lewmar 43s. The time was just as Gibb went out of business and...

As suggested earlier there are various strength grades in 300 series stainless steels. The standard annealed stuff is 50, but there are...

A similar story was printed in one of the mags some years ago. I think it was a cockpit locker and the man was in there for some...

Bearing in mind that the screws are going into potentially wet wood I am not sure any of the suggestions are great. Maybe aluminium...

To be fair the bolts illustrated and priced are 160 mm long. That's quite a lot of metal, although I think even then that's a lot of money.

AISI 304 (A2) is sufficient for above water applications. AISI 316 (A4) has greater pitting resistance but if the bolts are bedded in...