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 81243 2" W x 60" L Medium NWN Surface Conditioning Belt, 10/pack
Dynabrade 78860 Crimped Wire Radial Wheel Brush 2" Dia. x .006 x 7/16" Steel
Dynabrade 89339 Wire-Black
Dynabrade 57407 2-3/4" W x 8" L Dynaline Sander, Non-Vacuum with Clips
Dynabrade 55242 Vane Set (4pk) 