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-A103T-U, TEMPERATURE AND HUMIDITY TESTER, 19.69_29.53_23.62", 6974029771484
3M 49941, Roloc Disc 361F, 80 YF-weight, TSM, 3 in, Die RS300VM, 7000148151
3M 07934, Floor Surfacing Rolls, 8 in x 50 yd, 24 Grit, 7010320729
Dynabrade 18426 Vane Set (4pk) 