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 4120-10N, METRIC THREAD RING GAGE, NO GO, M10x1.5, 6928640341762
$53.29
Measuring/ Inspection Instruments
Insize 4120-18, METRIC THREAD RING GAGE, GO, M18x2.5, 6928640341502
$70.70
Measuring/ Inspection Instruments
Insize 4120-2, METRIC THREAD RING GAGE, GO, M2x0.4, 6928640341342
$72.96

Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 28848, Unitized Wheel Mandrel 28848, 1-5/8 in x 1/4 in x 3/4 in x 1/4 in, 7100082547
3M 01328, Stikit Gold Film Disc Roll, 6 in, P220 grade, 7010308781, 75 discs per roll
Dynabrade 40320 Dynafile II Abrasive Belt Tool
Dynabrade 79151 1" W x 24" L 60 Grit DynaCut Premium Ceramic Belt, 50/pack
Insize 4120-12N, METRIC THREAD RING GAGE, NO GO, M12x1.75, 6928640341786 