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 4120-12N, METRIC THREAD RING GAGE, NO GO, M12x1.75, 6928640341786
$48.09
Measuring/ Inspection Instruments
Insize 4168-20E, STEEL STANDARD BALLS, 11/16″, 6940561981582
$20.02
Measuring/ Inspection Instruments
Insize 4120-14, METRIC THREAD RING GAGE, GO, M14x2, 6928640341489
$62.82

3M 26140, PPS Series 2.0 Adapter, Type S45, 1/4 Female, 19 Thread BSP, 7100135336
Insize 3101-250E, DIGITAL OUTSIDE MICROMETER, IP65, 9-10"/225-250mm, 6928640326875
Dynabrade 91428 1/2" W x 12" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 97571 1/2" NPT Male Safety Coupler 