3M 26135, PPS Series 2.0 Adapter, Type S40, Trapezoidal Thread, 7100135335 
3M 29831, Sanding Screen, 180 Grit, 18 in x NH, 7100160238 
Insize 7382-2S, 3-WIRES, 18 pairs/set, 6928640362071
$4,123.44
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.
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