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.

Insize QMS-CALIBRATION, CALIBRATION PLATE for QMS,
Dynabrade 01480 Vane Set (4pk)
Dynabrade 96425 Screws For Vacuum Shroud (57737)
Dynabrade 02044 Bottom Wick (15k)
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
Dynabrade 78724 3/8" x 3/4"-B52 Dynacut A/O Mounted Point, Vitrified, 5/pack
3M 07394 Hookit Disc Pad, 178 mm x 25 mm M14-2.0 Internal, 7000045702
Dynabrade 92116 1/2" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack 