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 15420 Dynafile III Abrasive Belt Tool
Dynabrade 51301 .5 hp Straight-Line Die Grinder
Standard Abrasives 701149, PSA A/O Disc, 1 in x NH, 240, 7010370103
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 05777, Hookit Soft Interface Pad, 6 x 1/2 x 3/4 inch, 7000028239
ACS CX1250 Diamond Belts, 1/2" X 24" 200u
3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686 
