For testing the pitch of internal and external threads using the light-gap method.
Designs: 162501.0100: For metric ISO basic profiles, with 24 blades. 162501.0200: For metric ISO basic profiles, and Whitworth threads, with 52 blades. 162501.0300: For Whitworth threads, with 28 blades. 162501.0400: For pipe threads Withworth, with 6 blades. 162501.0500: For 60° U.S. threads (UNC, UNF, etc.), with 30 blades.
Note: The exact thread measurements can be obtained in FILETOR, 179910.
Article Nr Description
Pitches [mm] 0.25...6 - -
Threads / inch - - 4...42
Version For metric ISO basic profiles, with 24 b... - For 60° U.S. threads (UNC, UNF, etc.),...