Signed-In Members Don't See This Ad
there are charts on the web for that, here is one, Tap Size Chart - Machining. It shows 10-32 at .190 I would cut it .187 because the aluminum will push outward as well as cut. You may even need to reduce it further.
here is another. https://www.bing.com/images/search?...1889A9DBA1792DDF342DD3A87D9A8&selectedIndex=0 The diameter of the size your using is the size of the tenon. Although I tend to reduce it just a little bit for softer metals.
here is another. https://www.bing.com/images/search?...1889A9DBA1792DDF342DD3A87D9A8&selectedIndex=0 The diameter of the size your using is the size of the tenon. Although I tend to reduce it just a little bit for softer metals.