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 79109 1/2" W x 12" L 80 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 95541 Grease Gun
Dynabrade 40320 Dynafile II Abrasive Belt Tool 
