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 PHT-C751-S, 400 GRADE ABRASIVE PAPER, 6974029779886
Dynabrade 77770 5" Dia. x 7/8" Center Holes, 120 Grit, Z/A, Type 27, DynaCut Flap Disc w/Fiberglass, 10/pack
Dynabrade 91430 1/2" W x 12" L 120 Grit A/O DynaCut Belt, 50/pack
Standard Abrasives 708559, A/O Tapered Cone Point, K-110 320, 7010310893, 100 per case
Dynabrade 56205 5" Dia. Non-Vacuum Disc Pad, Vinyl-Face
Dynabrade 14230 Rubber Drive Wheel 