724MLZ-450 Tubular Bow Type Interchangeable Anvil Micrometer Set 64318

724,724M Tubular Bow Type Micrometers with Interchangeable Anvils and Standards
Interchangeable Anvils - 0.01mm Graduation and 300-450mm Measuring Range

The Starrett 724, 724M Series Tubular Bow Type Micrometers with Interchangeable Anvils are made for better precision measurement of large outside dimensions. These micrometers provide perfect balance, sensitive feel, ease of handling, and less measuring effort due to their advanced tubular design. The micrometer's tubular frame provides light weight, extreme rigidity, and standard coefficient of expansion. The 724 series is well suited for diversified gaging and provides a wide range of measurement in steps of 1 inch or 25mm. This model includes these standards: 300,325,350,375,400, and 425mm. 300-450mm Range, 0.01mm Grad, with Lock Nut, in Case This model includes these standards: 300,325,350,375,400, and 425mm.

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  • Quick and easy sleeve adjustment
  • Advanced sleeve design with staggered lines and distinct figures for precise, easy readability
  • Balanced frame and thimble design
  • Hollow tubular frame design
  • Micro-lapped measuring faces
  • Large thimble diameter with distinct figures
  • Ring-type knurled lock nut for quick and sure locking
  • Interchangeable anvils
  • No glare Starrett satin chrome finish
  • Extremely hard and stable one-piece spindle
  • Standards with insulated grips


  • Made in America: Yes
  • Micrometer Type: Tubular Bow Type Micrometer with interchangeable anvils
  • Range (mm): 900-1050mm
  • Graduations (mm): 0.01mm
  • Anvil/Spindle Material: Steel
  • Anvil Type: Flat
  • Spindle Type: Flat
  • Lock Nut Type: Knurled Ring Type
  • Case Type: Wood Case
  • Accuracy (in): +/-.0003"
  • Accuracy (mm): +/-.0076mm




    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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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      2LOCK NUT KITPT993301
      3•NUT, .475-6016530-01
      4•SPR WSHR, .475X.650X.00604250-01
      7SPRING, BARREL10058-01
      8SCREW, .157-40 SLOT X .377 LONGPT051361
      9SCREW, #2 SLOTTED P.H. X .188 LONG13882-02
      10PLATE BLANK, SMALL08134-01
      11SHELL, OUTSIDE METRIC26390-01
      12SHELL, ADJ. METRIC04220-M1
      13NUT, .500-52PT168451
      14WRENCH #724 ALLPT081942
      15WRENCH #232 1/2PT171841
      16ANVIL 1475-1500MM ASSEMBLYPT995611
      17•ANVIL 1475-1500MMNOT AVAILABLE (3)1
      18•NUT, .375-40PT081922
      19•NUT, .375-4016499-01
      20ANVIL 1450-1475MM ASSEMBLYPT995621
      21•ANVIL 1450mm-1475mmNOT AVAILABLE (4)1
      22•NUT, .375-40PT081922
      23•NUT, .375-4016499-01
      24ANVIL 1425-1450MM ASSEMBLYPT995631
      25•ANVIL 1425mm-1450-mmNOT AVAILABLE (5)1
      26•NUT, .375-40PT081922
      27•NUT, .375-4016499-01
      28ANVIL 1400-1425MMPT995641
      29•ANVL 1400mm-1425mmNOT AVAILABLE (6)1
      30•NUT, .375-40PT081922
      31•NUT, .375-4016499-01
      32ANVIL 1375-1400MMPT995651
      33•ANVIL 1375mm-1400mmNOT AVAILABLE (7)1
      34•NUT, .375-40PT081922
      35•NUT, .375-4016499-01
      36ANVIL 1350-1375MMPT995661
      37•ANVIL 1350mm-1375mmNOT AVAILABLE1
      38•NUT, .375-40PT081922
      39•NUT, .375-4016499-01
      40STANDARD W/INSULATOR 300MM234MA-3001
      41STANDARD W/INSULATOR 325MM234MA-3251
      42STANDARD W/INSULATOR 350MM234MA-3501
      43STANDARD W/INSULATOR 375MM234MA-3751
      44STANDARD W/INSULATOR 400MM234MA-4001
      45STANDARD W/INSULATOR 425MM234MA-4251

    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