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- Apr 30, 2015
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6-32 has a comparatively thin shank vs. thread unlike 8-32 and 10-32. 6-32 tends to fracture and/or cross thread more easily than either of the larger sizes, I've found.
4-40 has a favorable shank vs. thread ratio as do 3-48 and 2-56. 6-32 seems the outlier
4-40 has a favorable shank vs. thread ratio as do 3-48 and 2-56. 6-32 seems the outlier