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 59178 6" Dia. Dynorbital-Spirit Random Orbital Sander, Non-Vacuum, 3/8" Orbit
Dynabrade 56316 3" x 4-1/4" Vacuum Dynabug II Disc Pad, Hook-Face, Short Nap
Dynabrade 01185 Vane Set (4pk)
Dynabrade 07107 Vane Set (5pk)
Dynabrade 18570 Vane Set (4pk)
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100
Dynabrade 56321 6" Dia. Vacuum Disc Pad, Hook-Face, 52 Holes
Dynabrade 80086 Motorhead Ass'y- 110-120V-60 Hz
Dynabrade 90211 1/8" W x 18" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 59380 Rotor/Vane Set
Dynabrade 54705 Rotor/Vane Set
Dynabrade 50147 - 4" (102 mm) Dia. Disc Pad, Hook 'N Loop
Dynabrade 96005 - 1/4" Male Plug with 3/8" NPT Male Thread
Dynabrade 92118 1/4" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 90040 5" Dia. Foam, Flat Face Polishing Pad
Dynabrade 78709 3/8" x 3/4"-B52 Dynacut A/O Mounted Point, Vitrified, 5/pack
Dynabrade 18426 Vane Set (4pk)
Dynabrade 57804 3-2/3" W x 7" L Dynabug Orbital Sander, Central Vac-Ready, .24 HP, 8,000 RPM, 3/16" Orbit
Dynabrade 92847 3" Dia. x 2-1/4" W Standard Dynacushion Pneumatic Wheel
Dynabrade 40378 Rubber Drive Wheel, Mini Dynafile II
Dynabrade 78710 5/16" x 5/8"-B53 Dynacut A/O Mounted Point, 5/pack
Dynabrade 78575 5" Dia. x 1/4"-20 Female Center Thread, 60 Grit, A/O, 3-Ply, J-DynaCut Eyelet Star, 50/pack
Dynabrade 56178 6" Dia. Vacuum Disc Pad, Vinyl-Face
Dynabrade 94300 1/4" NPT Composite Dynaswivel
Dynabrade X52VHS 5" Dia. Vacuum Dynorbital Extreme Random Orbital Sander, Hook Pad W/ Speed Regulator
Dynabrade 79145 1/4" W x 24" L 60 Grit DynaCut Premium Ceramic Belt, 50/pack
Dynabrade 11231 Contact Arm Ass'y, 3/4" Dia. x 1/2" W, Rubber Wheel, with 1/2" W Platen
Dynabrade 90437 1" W x 30" L Medium NWN DynaBrite Premium Belt, 10/pack 