Thread Pitch Vs. Threads Per Inch (TPI) | Albany
Nominal thread sizes from 2-4½ UNC to 2¾-20 UN 2 7/8-6 UN to 4-16 UN: Nominal thread sizes from 2 7/8-6 UN to 4-16 UN External Thread Internal Thread : Nominal Size, TPI, Series: Class: Allowance: Max a Major Max Minor: Min Major Min Minor: Min b: Max a Pitch: Min Pitch: UNR c Minor Dia Major Dia(Min) Ext. 0-80 UNF: 2A: 0.0005: 0.0595: 0 ...
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