[sdiy] what size countersink?

Nick Liebrecht nick.liebrecht at gmail.com
Fri Aug 21 22:16:25 CEST 2009


If you are using metric screws, you want a 90 degree countersink
instead of the 82 degree one.  (At least that's what the guy at the
tool shop told me last week.)

-nick

On 8/21/09, Dave Manley <dlmanley at sonic.net> wrote:
> Andre Majorel wrote:
>> Personally, I use a big one and stop
>> early using a sophisticated method known here as "pifométrie".
> In other words, a rough estimate, or measurement "by eye".
>
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