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.

3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 28126, Hookit Clean Sanding Disc 900DZ, 5 in 80 J-weight, Die 500LG, 7010290258
3M 49688, PSA Cloth Disc 348D, 80 X-weight, 10 in x NH, Die 1000C, 7000118869
Dynabrade 93381 Carbide Burr 12-Piece Burr Kit, 3mm Shank
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
Dynabrade 51865 1.0 hp Trim Router (Complete), 20,000 RPM, 1/4 Collet 
