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
$619.53

Dynabrade 11254 Contact Arm Ass'y, 4-3/4" Dia. x 1/2" W
3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925
3M 22333, Cloth Belt 577F, 120 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Full-flex, 7000119441, 200 per case
Insize 4120-16N, METRIC THREAD RING GAGE, NO GO, M16x2, 6928640341809 