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    2 Products

    Starrett Depth Micrometers

    Image of Product. Front orientation. Depth Micrometers. Starrett Depth Micrometers.
    Measure the depth of holes, slots, shoulders, and projections by changing out the steel extension rods supplied in 1" incremental lengths. The thimble has a constant-force mechanism, so that once the spindle contacts the surface of the measured object, it will stop tightening. This ensures repeatable measurements and prevents over-tightening.
    Base
    Extension
    Rods
    Distance Measured
    Range
    Accuracy
    Measuring
    Increments
    Wd.
    Lg.
    Material
    No.
    of
    Lg.
    Dia.
    Overall
    Ht.
    Mfr. Model
    No.
    Each
    Ratchet Thimble
    0" to 6"±0.0001"0.001"6"39/64"Steel61", 2", 3", 4", 5", 6"5/32"3 1/2"445DZ-6RL00000000000000
     

    Starrett Depth Micrometers with Calibration Certificate

    Image of Product. Front orientation. Depth Micrometers. Starrett.
    These micrometers come with a calibration certificate traceable to NIST that states they've passed a test for accuracy. Change out the steel extension rods supplied in 1" incremental lengths to measure the depth of holes, slots, shoulders, and projections. The thimble has a constant-force mechanism, so that once the spindle contacts the surface of the measured object, it will stop tightening. This ensures repeatable measurements and prevents over-tightening.
    Base
    Extension
    Rods
    Distance Measured
    Range
    Accuracy
    Measuring
    Increments
    Wd.
    Lg.
    Material
    No.
    of
    Lg.
    Dia.
    Overall
    Ht.
    Mfr. Model
    No.
    Each
    Ratchet Thimble
    0" to 6"±0.0001"0.001"6"39/64"Steel61", 2", 3", 4", 5", 6"5/32"3 1/2"445DZ-6RL00000000000000
     
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