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.

Insize 1120-150AWL, DIGITAL INSIDE GROOVE CALIPER, 1-6"/25.4-150mm, built-in wireless, 6928640384769 