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.

Standard Abrasives 713296, Aluminum Oxide Handy Roll, P320 J-weight, 2 in x 50 yd, 7100034517
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
Dynabrade 93351 Carbide Burr 12-Piece Burr Kit, 1/8" Shank
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Insize 2197, LARGE RANGE DIGITAL RADIUS GAGE, R1(4-590"/100-1500mm), R2(4-590"/100-1500mm), 697409778087 