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 4120-2, METRIC THREAD RING GAGE, GO, M2x0.4, 6928640341342
$72.96
Measuring/ Inspection Instruments
Insize 4120-20, METRIC THREAD RING GAGE, GO, M20x2.5, 6928640341519
$71.83

Dynabrade 11203 Contact Arm Ass'y, 5/8" Dia. x 3/8" W, Rubber Wheel, with 1/2" W Platen
Dynabrade 57429 Seal
Dynabrade 11005 Dynafile Belt Housing Guard
Dynabrade 94300 1/4" NPT Composite Dynaswivel
Dynabrade 01893 Drop-In Motor
Dynabrade 57851 3-2/3" W x 7" L Non-Vacuum Dynabug Disc Pad, Hook-Face, Short Nap 