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    6 Products

    Starrett Inside Hole Micrometers

    Image of Product. Front orientation. Inside Hole Micrometers. Starrett Inside Hole Micrometers, 124 Series.

    124 Series

    Find the inside diameter of cylinders and rings. These micrometers have a plain thimble, which relies on operator feel for accurate measurements.
    124 Series—124 series have solid steel extensions that attach at one end of the micrometer head.
    Distance Measured
    Range
    Accuracy
    Measuring
    Increments
    Material
    No. of Extension
    Rods
    Extension
    Rod Dia.
    No. of
    Heads
    Head
    Travel
    Mfr. Model
    No.
    Each
    124 Series—Plain Thimble
    2" to 8"-0.0001" to 0.0001"0.001"Steel61/4"11/2"124AZ0000000000000
    2" to 12"-0.0001" to 0.0001"0.001"Steel101/4"11/2"124BZ000000000000
    2" to 32"-0.0001" to 0.0001"0.001"Steel101/4", 11/32"21/2", 1"124DZ00000000000000
    8" to 32"-0.0001" to 0.0001"0.001"Steel411/32"11"124CZ000000000000
     
    Accessories for Inside Hole Micrometers
    Inside Hole Micrometer Spacing Collars
    Image of Product. Front orientation. Inside Hole Micrometer Spacing Collars.
    Collars (sold separately) extend a micrometer’s measuring range.
    Lg.
    For Mfr. Model
    No.
    Each
    0.5"124AZ, 124BZ0000000000000
    Inside Hole Micrometer Handles
    Image of Product. Front orientation. Inside Hole Micrometer Handles.
    Handles (sold separately) screw into a micrometer head to extend its reach for measuring deep holes.
    Handle
    Lg.
    For Mfr. Model No.
    Each
    6 1/2"124AZ, 124BZ, 124DZ000000000000
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