224MARLZ Interchangeable Anvil Micrometer Set, 0.01mm Graduation, 50-150mm Measuring Range, Includes Standards: 50, 75, 100, and 125mm 50773

The Starrett 224, 224M Series Interchangeable Anvil Micrometers feature a wide range of measurement and flexibility. Each micrometer is equipped with a series of easily interchangeable anvils, thus providing the full range in steps of 1" or 25mm with a single micrometer. This model features 50-150mm Measuring Range. Smooth friction thimble for uniform pressure, the combination ratchet and speeder for uniform pressure and quicker adjustment, or a plain micrometer that depends on your own feel. Recommended for mechanics, automotive service and machine shops, toolrooms, inspection departments and wherever gaging involves a wide range of measurements.This model includes these standards: 50, 75, 100, and 125mm. 50-150mm, 0.01mm Grad.

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  • Suitable wrenches are furnished to make necessary adjustments
  • Combination ratchet and speeder for uniform pressure and quicker adjustment
  • Quick and easy sleeve adjustment
  • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
  • Balanced frame and thimble design ensure easy handling and better readability
  • Rigid and stable special cast iron frame with appropriate perforations for lightness and ribbed for strength and stability
  • Micro-lapped measuring faces
  • Large thimble diameter with distinct figures
  • Ring-type knurled lock nut for quick and sure locking
  • Interchangeable anvils for diversified gaging
  • Each micrometer is equipped with a series of easily interchangeable anvils, providing the full range in steps of 25mm with a single micrometer
  • These larger sizes have .300" (7.6mm) anvil and spindle diameters for ease of use on larger work
  • Extremely hard and stable one-piece spindle
  • Starrett No-glare satin chrome finish on thimble and sleeve minimizes annoying surface glare under bright lights and resists rust


  • Micrometer Type: Interchangeable Anvil Micrometer
  • Range (mm): 50-150mm
  • Graduations (mm): 0.01mm
  • Anvil/Spindle Material: Steel
  • Anvil Type: Flat
  • Spindle Type: Flat
  • Lock Nut Type: Knurled Ring Type
  • Thimble Type: Ratchet
  • Case Type: Wood Case


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    2SPINDLE, METRIC07587-M1
    3SPINDLE, METRIC25672-01
    4SPRING, .089X.107X.062X.009X213207-01
    5BINDER RING 05316-01
    6PIN,.085D X.125D X.10105301-01
    7SPRING, BARREL10058-01
    8ROLL, BINDERPT053251
    9NAMEPLATE, 50-150MM05773-01
    10RING, BINDER05323-01
    11SHELL, ADJUSTING05134-M1
    12SHELL, OUTSIDE09993-M1
    13NUT, .375-52PT164141
    14RING, FRICTION05662-01
    17•CAP ASSEMBLYPT994451
    19••CAP, RATCHET07671-B1
    20•BODY, RATCHET #23019773-01
    21•PIN, RATCHET .066D X .156LPT189761
    22•SPRING, .037X.061X.188X.011X603324-01
    23•SCREW, #2-64 SLOT X .204 LONGPT197721
    24ROD, 50MM234MA-501
    25ROD, 75MM234MA-751
    26ROD, 100MM234MA-1001
    27ROD, 125MM234MA-1251
    28ANVIL W/NUT 224MPT99579(PT99273)150-75mm RANGE
    29•ANVIL, 2-3"NOT AVAILABLE(2)1
    30•NUT, .300-60PT057172
    31•NUT, .250-40PT057181
    32ANVIL W/NUTPT99578(PT99577)175-100mm RANGE
    33•ANVIL, 3-4"NOT AVAILABLE(3)1
    34•NUT, .300-60PT057172
    35•NUT, .250-40PT057181
    36ANVIL W/NUT #224PT99568(PT99261)1100-125mm RANGE
    37•ANVIL, 4-5"NOT AVAILABLE(4)1
    38•NUT, .300-60PT057172
    39•NUT, .250-40PT057181
    40ANVIL W/ NUT #224PT99567(PT99262)1125-150mm RANGE
    41•ANVIL, 5-6"NOT AVAILABLE(5)1
    42•NUT, .300-60PT057172
    43•NUT, .250-40PT057181
    44WRENCH #224PT191762
    45WRENCH #3PT015261




    Catalog 33 - Section 1 - Micrometers
    The L.S. Starrett Company

    In the hands of a skilled operator, the precision micrometer is the most accurate hand-held tool available. When close measurements are necessary, the micrometer is the ideal tool for the job because measurement and reading are on the same axis and the anvil end is supported by a strong frame.

    [69 pages]

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    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov