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Cheers.
It's not the tightening I'm worried about. It's getting the disc off.
Although thinking about it, this pad will get worn down with use so that should create enough space to undo it if it gets stuck.
In any event I've ordered the Milwaukee QR nut as it's half the price of the Makita sanding lock nut and I don't have to wait for it to come from Poland, Latvia, or the US.
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It's not the tightening I'm worried about. It's getting the disc off.
Difficult to describe, but imagine swinging the grinder forward in such a way as to just clip the edge of the disc on the floor or the edge of something, so that you suddenly apply a shock to the wheel in the reverse direction of the grinder's travel.
Practice on some of those diamond discs.
I use a angle grinder almost every day, never tighten with a tool. Hand tight is fine, it’ll only ever tighten in use.
Occasionally a cutting disc will grab and tighten enough to require the tool to take it off, but it’s rare.