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 18731 Retaining Ring
Dynabrade 93380 Carbide Burr 8-Piece Burr Kit, 6mm Shank
Dynabrade 79513 1/2" W x 12" L Medium DynaBrite Plus Surface Conditioning Belt, 10/pack
Dynabrade 40375 Rubber Drive Wheel
Dynabrade 56469 Exhaust Gasket
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 