[time-nuts] Machining some aluminum help!

[Joseph Gwinn]

On Fri, 19 May 2017 12:00:01 -0400, time-nuts-request at febo.com wrote:
> Re: [time-nuts] Machining some aluminum help!

It's much easier to use thread-forming taps in aluminum than thread 
cutting, and the threads are far stronger.  Blind holes are not as 
large a problem.  Lubricate with soft wax, not Tap-Magic.  Also, why 
4-40 in a 0.25" thick wall?  A larger screw will actually be easier and 
again, stronger.

.<https://www.mcmaster.com/#thread-forming-taps/=17p2qoh>

.<https://www.mcmaster.com/#lubricant-stick-wax/=17p2rpl>

Joe Gwinn