UK source of these .6mm "Dremmel" thick cut off discs

You're using the wrong tool, as usual.

wrong tool for the job...

Dremel

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I don't own a nibbler, which of course is a one-job-type tool anyway, so hard to justify for 5 times a year use

Dremel

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Such a job a couple of months back with 2mm thick steel. It would take a windy nibbler to attack that panel in place populated with everything else around it - colateral damage from the vibration ?. An hour job each side , to clear the panel and then to mill out , alternatively, so a Dremmel and 4 discs expended is very much the tool of choice there.

Complete set of various wheels, polishers, sanders, etc here:

But you might want to consider spending a few quid on a tungsten carbide cutting wheel. See here (watch the wrap!):

But you can justify wasting all those cutting disks, the metal dust and rough cut holes? I've worn out four nibblers over the last 40 years. I currently own two hand nibblers, and an air powered nibbler. They work fast and cut very neat holes if you know how to use them, but you'd rather screw up every thing you touch.

Dremel

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Other than sub-mm drill bits in my Dremel its really only the parting off discs I use . I do own a diamond-dust edge and faced disc but have never used it, leaving it for some job that requires .3mm cut that so far I've never come across a requirement for. Its far too easy to snag such discs with hand held apparatus, but snap a .6mm grinding disc is an inconsequential loss.

This is meant sincerely.

Your writing is improving. Keep at it.

Jeff Layman Inscribed thus:

I just bought one 50mm dia with mandrel.

That sounds like a job for an oscillating saw (Fein, Festool, Craftsman, Harbor Freight, etc). Just buy good blades - the Harbor Freight blades are OK on wood but their metal-cutting blades are wimpy at best.

John

Dremel

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Its a long time since I used one but I seem to remember they require too large an operational footprint for this sort of use on "populated" cases - say an audio mixer panel with nearly all available space occupied by something. And then chance of colateral damage from vibration ? . Parting-off discs cause no vibration , they also give a clean safe cut edge with just a little break out "swarf" that a chamfering run with the disc soon rids.

Looks as though I will have to buy 10 tubs , 360 discs, of these B&D from the USA as not much different in price to one tub of the Dremel equivalent bought in the UK. Had another Google for the B&D ones in the UK and still nothing found