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 THT-A102T-U, TEMPERATURE AND HUMIDITY TESTER, 19.69_19.69_15.75", 6974029771477
Dynabrade 90226 1/4" W x 18" L 320 Grit A/O DynaCut Belt, 50/pack 