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 57599 Wet Valve Assembly
Dynabrade 57581 Wet Housing
Dynabrade 01446 Air Deflector
Dynabrade 01683 Air Control Ring
Dynabrade 90334 3/4" W x 20-1/2" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 57407 2-3/4" W x 8" L Dynaline Sander, Non-Vacuum with Clips
Dynabrade 50010 Collet, 3/8"-24 Female Thread, 1/4" Capacity, 3-Piece Collet
Dynabrade 54284 Flex Hose System
Dynabrade 79037 3/4" W x 18" L 120 Grit A/Z DynaCut Belt, 50/pack
Dynabrade 79076 3/8" W x 13" L 120 Grit A/Z DynaCut Belt, 50/pack
Dynabrade 50014 3/8" (.375) Capacity Collet Sleeve 