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 4120-16, METRIC THREAD RING GAGE, GO, M16x2, 6928640341496
$62.82
Measuring/ Inspection Instruments
Insize 4120-20, METRIC THREAD RING GAGE, GO, M20x2.5, 6928640341519
$71.83
Measuring/ Inspection Instruments
Insize 4120-18N, METRIC THREAD RING GAGE, NO GO, M18x2.5, 6928640341816
$57.62

Dynabrade 92585 3-1/2" Dia. x Medium Hook-Face Surface Conditioning DynaBrite Disc, 10/pack
Dynabrade 78423 4-1/2" Dia. x 3/8" Very Fine DynaBrite Surface Conditioning Disc, 25/pack
Insize 4120-11, METRIC THREAD RING GAGE, GO, M11x1.5, 6928640341465
Norton 66261014792 - 2" Medium Grade Aluminum Oxide Bear-Tex Speed-Lok High Strength Maroon TR Non-Woven Abrasive Disc 160 Each 