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 VSP-201, MULTIPURPOSE VIDEOSCOPE,MAIN UNIT, 6940561941296
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 05519, Sanding Block, Rubber, 2-3/4 in x 5 in, 7000000587
Dynabrade 51629 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 1/8" Collet
3M 10119, Synthetic Steel Wool Pad 10119NA, 0000 Super Fine, 7000126181
Standard Abrasives 42730, A/O Flap Wheel 640605, 4 in x 2 in x 5/8 in 60, 7010369144
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case 