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 58514 2-3/4" W x 7-3/4" L Dynabug II Orbital Sander, Non-Vacuum, .11 hp, 8,000 RPM, 3/16" Orbit
Insize 6313-17H32, SETTING RING, 17/32" dia, 6928640357480
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
Standard Abrasives 710335, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 60, 7100080015
Standard Abrasives 711444, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 180, 7100080017
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953 