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.

Insize 3231-2, NON MAGNETIC MICROMETERS, 1-2", 6928640360480
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 64275, Cubitron II Stikit Film Disc 775L, 150+, 5 in x NH, Linered w/Tab, Die 500X, 7100075678, 250 per case
3M 29860, Sanding Screen, 120 grit, 12 in x 18 in, 7100160860 