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 QMS-A110-U, QUICK MEASUREMENT SYSTEM, 6940561967623
Dynabrade 01480 Vane Set (4pk)
3M 01323, Stikit Gold Film Disc Roll, 6 in, P400 grade, 7010299141, 75 discs per roll 