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 40378 Rubber Drive Wheel, Mini Dynafile II
Dynabrade 01011 Vane Set (4pk)
Insize TLP-300H, TOOL PRESETTER (BASIC TYPE), 6928640376443 