Gallery, Projects and General > How do I??
How to drill square holes
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Chazz:
I know it's ot in most budgets, but do a u-tube search for 'rotary broaches', pretty slick stuff (with price to match).

Cheers,
Chazz
Fergus OMore:
There a Brit who writes on such things as well as intersting improvements to his lathe.

Try homepages.mcb.net/howe/

Again, my favourite workshop book is  G H Thomas's Model Engineers Workshop Manual has quite a bit on your problem
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