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 4120-18N, METRIC THREAD RING GAGE, NO GO, M18x2.5, 6928640341816
$57.62
Measuring/ Inspection Instruments
Insize 4120-14, METRIC THREAD RING GAGE, GO, M14x2, 6928640341489
$62.82
Measuring/ Inspection Instruments
Insize 4120-12N, METRIC THREAD RING GAGE, NO GO, M12x1.75, 6928640341786
$48.09

Dynabrade 13072 Arbor Ass'y, 1/2"-20 Thread, 2" Expander
Dynabrade 51750 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet
Dynabrade 56671 Handle
Dynabrade 01746 O-Ring
Dynabrade 92120 1/4" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack
Dynabrade 93637 3" Dia. x 320 Grit A/O Vacuum Hook-Face DynaCut Disc, 50/Pack
Dynabrade 92149 1/2" W x 18" L 60 Grit Ceramic DynaCut Scalloped Edge Belt, 50/pack 