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.

Dynabrade 01707 O Ring
Dynabrade 11005 Dynafile Belt Housing Guard
Dynabrade 50107 2" Dia. Disc Backup Pad, 1/4"-20 Thread, PSA
Dynabrade 91547 5" Dynacut Extreme Orange Premium Film Disc, 120 Grit, Hook & Loop, Non-Vacuum, 50/Box
Dynabrade 59028 6" Dia. Self-Generated Vacuum Dynorbital-Spirit Random Orbital Sander, 3/16" Orbit 