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 ISY-700-90025, BASE FOR SQUARE SUPPORT, 6940561980837
3M 22586, Neoprene High Performance Contact Adhesive 1357, Light Yellow, 1 Gallon Can , 7000046325, 4/case
Standard Abrasives 705686, A/O Straight Cartridge Roll, 1/4 in x 1-1/2 in x 1/8 in 80, 7100080009 