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.

Dynabrade 82495 6" Dia. x 400 Grit A/O Vacuum PSA Filmbac DynaCut Disc, 100/Pack
Insize QMS-A220-U, QUICK MEASUREMENT SYSTEM, 6974029775116
3M 05674, Disc Pad Holder, 914, 4 in x 1/8 in x 3/8 in 5/8-11 Internal, 7000120888
Dynabrade 96283 5", 6" and 8" Two-Hand Gear Driven Orbital Repair Kit
Dynabrade 01480 Vane Set (4pk)
Dynabrade 11518 Rubber Drive Wheel
Dynabrade 52863 .4 hp Straight-Line Pencil Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 78049 1/2" W x 24" L Coarse NWN DynaBrite Belt, 10/pack
Dynabrade 57113 Rotor/Vane Set
Dynabrade 96245 Repair Collar-.992" Bore 