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 90437 1" W x 30" L Medium NWN DynaBrite Premium Belt, 10/pack
Dynabrade 91220 Scraper Blade Kit
Dynabrade 91570 6" Dynacut Extreme Orange Premium Film Disc, 400 Grit, Hook & Loop, Vacuum Holes, 50/Box
Dynabrade 64000 SuperFinisher, 115 Volts (AC), 1 Phase, 60 Hz
Dynabrade 78488 3" Dia. x 1-1/2", 1/4-20 Female Center Thread, A/O, 180 Grit, 10-Ply J-DynaCut Cross Pad, 100/pack
3M High Performance Flatback Tape 2519, Tan, 100 mm x 55 m, 8 Roll/Case, 7100243539
Dynabrade 59010 6" Dia. Non-Vacuum Dynorbital-Spirit Random Orbital Sander, 3/8" Orbit 