For zero setting of inside micrometers, three points internal micrometers and bore gages.
Deviation is the difference between the ordered size and the size marked on the setting ring when supplied.
For example, the ordered size is .2”, the size marked on the setting ring when supplied may be .20008″.
Related products
Measuring/ Inspection Instruments
Insize 4120-12, METRIC THREAD RING GAGE, GO, M12x1.75, 6928640341472
$55.97
Measuring/ Inspection Instruments
Insize 4120-16, METRIC THREAD RING GAGE, GO, M16x2, 6928640341496
$62.82

3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5220TRI-10T, 5 IN x UH, 220, 7100202880, 10 per pack
Dynabrade X3252V - 3" Mini Extreme & 5" Extreme Random Orbital Sander, Vac, Combo Kit 12,000 RPM, 3/32" Dia., Rear Exhaust
Dynabrade 61568 Hose Hanger Kit
Dynabrade X62V 6" (152mm) Dia. Central-Vacuum Dynorbital Extreme Random Orbital Sander, .3 HP, 12,000 RPM, 3/32" Orbit, Hook-Face 