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 1138-200, DIGITAL CALIPER WITH LONG UPPER JAWS, 0-8"/0-200mm, 6928640392344
3M 35833, Hookit Dust Extraction Flexible Radius Sanding Block Kit, 7100259118 