On Sunday, 3 May 2020 12:46:10 UTC+1, Dave Plowman (News) wrote:
In article ,
Roger Hayter wrote:

Sure. The relevant skill in this case being awareness of what cases
punches are not suited for.


NT

Another error is using them too near the edge of a thin sheet. DAMHIKT.

True - but if too close to an edge you'd not be able to fit a gland or
grommet etc.

nonsense

I've used them happily to cut a half moon out of ally plate.