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 TLP-300H, TOOL PRESETTER (BASIC TYPE), 6928640376443
3M 14308, AB14308, Square/Cross Pad Mandrel, 1/4 in 1/4-20 External, 7000045662 