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M3 thread taps - why do both M3 0.5mm and M3 0.6mm taps exist?
0.5mm is standard ISO coarse. There will be fine threads too, 0.35mm IIRC, but 0.6mm is too coarse to be useful, unless self-loosening is a desired feature
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why is there a 0.6mm pitch too?
Is there an M3x0.6 tap? I found one listing, but most of the Google results actually resolve to M3.5x0.6, and mis-listing is not unheard of, so I'd want to see solid evidence before believing in the existence of M3.0x0.6🙂
gbj_tester
@Howard
M3 thread taps - why do both M3 0.5mm and M3 0.6mm taps exist? I thought M3 x 0.5mm was the standard, so why is there a 0.6mm pitch too?