In article ,
John wrote:
Cor! I used to cut holes in folded brass chassis for B7G and B9A valve
bases with Q-Max cutters sixty years ago......didn't know you could still
get them.

Not sure there is any DIY alternative that makes a near perfect hole so
quickly?

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*How do they get the deer to cross at that yellow road sign?

Dave Plowman London SW
To e-mail, change noise into sound.