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™ 85239, Roloc™ Flexible Diamond Disc 6234J, TR, 1-1/2 in x NH, M125 Micron, 7100100698
3M 06504, Marine Adhesive Sealant 5200, Black, 295 mL Cartridge, 7000042727, 12/Case
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty 
