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-A101T-U, TEMPERATURE AND HUMIDITY TESTER, 19.69_23.62_19.69", 6974029771446
Dynabrade 56599 Wrench Assy 