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 80057 Motor Brush Set, 110/120V-60 Hz
Dynabrade 61122 Cleanstream Abrasive Resistant HEPA Cartridge Filter
3M 85365, Scotch Heavy Duty Shipping Packaging Tape 3850-RD-36GC, 1.88 in x 54.6 yd (48 mm x 50 m), 7100247628
Dynabrade 78116 3/4" W x 34" L Medium NWN DynaBrite Belt, 10/pack
Dynabrade 56469 Exhaust Gasket
Dynabrade 40750 Carbon Brush Set
Dynabrade 56316 3" x 4-1/4" Vacuum Dynabug II Disc Pad, Hook-Face, Short Nap 