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 91632 1-1/2" W x 24" L 60 Grit A/O DynaCut Belt, 10/pack
Dynabrade 13501 Dynastraight Finishing Tool, 1 HP, Rear Exhaust, 1,800 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 92847 3" Dia. x 2-1/4" W Standard Dynacushion Pneumatic Wheel
Dynabrade 13500 Dynastraight Finishing Tool, 1 HP, Rear Exhaust, 950 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Insize 4120-18N, METRIC THREAD RING GAGE, NO GO, M18x2.5, 6928640341816 