Nos Mitutoyo 3–4″ Disc Gear Tooth Micrometer – Flange Type, 0.001″ Graduation (123-128)

Description

New Old Stock Mitutoyo 3-4″ Disk Micrometer. .001″ Graduation. Part number: 123-128. Made in Japan
Disc flanges on micrometer make it possible to get accurate measurements on areas not reachable with standard micrometers such as gear pitch, ribs, slot and groove distances. Measuring the root tangent length of spur and helical gears.
Comes complete in fitted wooden box with adjsutment wrench and standard. The foam in the box may be starting to deteriorate. The tool is otherwise perfect and new. 

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