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″.
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Standard Abrasives 840358, Quick Change Buff and Blend HS Disc, A/O Medium, TR, Blue, 2 in, Die Q200P, 7100074870, 50/case
3M 74842, Cushion-Mount Plus Plate Mounting Tape E1220H, Orange, 18 in x 25 yd, 20 mil, 7000047432 