3-4″ Outside Inch Micrometer 52-253-004-1

The Fowler No. 52-253 series of outside micrometers features exceptional quality and accuracy.

Distinct figures and graduations on the non-glare, satin chrome background permit easy reading, and the ribbed frame allows for measuring with extra ease and comfort.


• Hammertone blue baked enamel finish.
• Microfine graduations on satin chrome finish and carbide tipped measuring faces.
• Graduation: .001″
• Ratchet thimble
• Includes standard with sizes 2″ and over.
• Diameter of measuring faces: .256″
• Flatness: .00003″
• Accuracy: ± .001″
• Parallelism: .00005″ for 0-1″
• Positive lever locking camp ensures reliable measurement
• Anvil & spindle hardened and precision ground with microlap finish on tips
• All micrometers meet or exceed U.S. Federal specifications for accuracy
• Standard included
• Includes a wrench and case

Range: 3-4”³
Graduation: 0.001”³
Accuracy: ± 0.001”³
Flatness: 0.00003”³
Thimble: Ratchet

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