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 50288 4-1/2" Dia. Disc Backup Pad, Hard Density, 5/8"-11 Thread
Dynabrade 92828 3-1/4" Dia. x 3" W Heavy Duty Dynacushion Pneumatic Wheel
Dynabrade 90353 3-1/2" W x 15-1/2" L 60 Grit A/O DynaCut Belt, 10/ pack
Dynabrade 52716 Cone or Plug Wheel Grinder, 15,000 RPM, 3/8"-24 Male Thread Spindle
Dynabrade 51551 Retainer,Spindle, Wet
Dynabrade 82565 1/2" W x 18" L 120 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 11074 Contact Wheel Ass'y, 5/8" Dia. x 1/8" W x 3/8" I.D., Crown Face, 70 Duro Rubber
Dynabrade 50947 - 8" (203 mm) Dia. Non-Vacuum Wet/Dry Sander Disc Pad, Hook-Face, Short Nap
Dynabrade 79127 3/4" W x 18" L 120 Grit DynaCut Premium Ceramic Belt, 50/pack
Dynabrade 56182 6" Dia. Non-Vacuum Disc Pad, Hook-Face Short Nap
Dynabrade 56315 3" x 4-1/4" Non-Vacuum Dynabug II Disc Pad, Hook-Face, Short Nap
Dynabrade 13506 Dynastraight Finishing Tool, 1 HP, Rear Exhaust, 3,400 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 91425 1/4" W x 12" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 91151 1/4" W x 24" L 40 Grit A/O DynaCut Belt, 50/pack
Dynabrade 69359 Muffler Body
Dynabrade 40611 Electric Dynafile II Abrasive Belt Tool Versatility Kit 