[Shop-talk] Square Hole?

[Dave C]

Square broach.

> http://www.dumont.com/broaches/square/



On 10/14/2012 6:33 PM, Ian McFetridge wrote:
> If your tolerance are not too tight, you could do it like with wood:  drill
> with a slightly smaller bit and then file (maybe dremel) out to square
> size. (you knew this, but mentioning it for completeness)    If your
> tolerances are tight, I think you may need to enlist the help of a machine
> shop with something like a water-jet cutter.   A press and punch will do
> smaller gauge material, but I don't think it could do 1/2" brass.
>
> - Ian
>
> On Sun, Oct 14, 2012 at 8:54 PM, Bob Nogueira <bob at texmog.com> wrote:
>
>>      I know how to do it in wood but not metal,  How can I make a 8mm square
>> hole in 1/2 inch thick brass?
>> Thanks  for any help.
>> Bob
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