Table 1 Thread Dimensions British

Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms)

5 Basic Profile and Constants for Calculation Formulas of Thread Dimensions, in.. . . . . . . . . . . 102 6 Basic Dimensions for Coarse-Thread Series (UNC, ... mental Screw Thread Committee, British Standards Institution, CSA Group (formerly Canadian Standards Association), ... the revised dimensions from Table 2 in the ASME B1.1-1989 edition ...

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