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 7230, SCRIBER, 6928640320064
Standard Abrasives 875205, Buff and Blend HS Flap Brush, 12 in x 1 in x 5 in FB090 23-11 A MED Hard Density, 7010367159
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
3M 20907, PSA Cloth Disc 348D, P120 X-weight, 2 in x NH, Die 200P, 7000118875
Dynabrade 78769 3" Dia. x 2" W x 1/4" Shank, Fine, NWN DynaBrite Wheel, 10/pack
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348 