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 15420 Dynafile III Abrasive Belt Tool
Dynabrade 51630 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 01438 Spring
Insize 1150-1000, ELECTRONIC HEIGHT GAGE, 0-40"/0-1000mm, 6928640302695
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty 