Used with standard outside micrometers with spindle .256″DIA to measure pitch diameter of screw threads.
Diameter accuracy: ?20_in. Cylindricity: 39_in.
Cylindricity: 1um. Hardness: HRC60.
Supplied with manufacturer inspection certificate.
Supplied with manufacturer inspection certificate.

3M 53619, High Performance Flatback Tape 2519, Tan, 72 mm x 110 m, 12 Rolls/Case, 7100246870
Insize MLP-MP53-U, MOUNTING PRESSES (ADVANCED TYPE), 6940561981742
Dynabrade 92847 3" Dia. x 2-1/4" W Standard Dynacushion Pneumatic Wheel 