128AZ Inside Micrometer Set 64375

128, 128M Inside Micrometers
Inside Micrometer Set with Case, 6-78" Range, .001"

The Starrett 128 Inside Micrometer Set consists of a satin-chrome micrometer head which can be used in combination with any one or more of a series of rigid, tubular steel measuring rods to obtain the required length. With (1) 4-6" Head, (1) each 2", 4", 6", 8", 10", 12" Rods, (1) 12" Ext., (2) 24" Ext. 6-78" Range, .001" Grad with Finished Case.

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  • Inside measurements from 6-78"
  • Extension rods are lightweight with extreme rigidity
  • Satin-chrome micrometer head
  • Hardened ground and lapped surfaces
  • All rod anvil contacts are hardened and ground
  • Measuring rod anvil contacts are adjustable
  • Adjustable, ground steel supporting collars
  • Heads basic length of 4" (100mm) can be lengthened to 6" (150mm)
  • Interchangeable tubular steel measuring rods
  • Rods provided with insulated handles


  • Made in America: Yes
  • Micrometer Type: Inside Micrometer Set
  • Range (in): 6-78"
  • Graduations (in): .001"
  • Measuring Rods (qty): With (1) 4-6" Head, (1) each 2", 4", 6", 8", 10", 12" Rods, (1) 12" Ext., (2) 24" Ext.
  • Case Type: Wood
  • Accuracy (in): +/-.0001" per Inch


    Catalog 33 - Section 1 - Micrometers

    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.

    Precision Hand Tools (Catalog 33)

    612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      40•SHELL, ADJUSTING16473-01
      50•SPINDLE, INSIDE-ENG.14433-01
      60•LOCK NUT COMPLETEPT991741
      70••PIN, .085X.125X.10809762-01
      80••RING, BINDER09980-01
      90••SPRING, .089X.107X.062X.009X 213207-01
      100•NUT, .375-52PT164141
      110•SPRING, BARRELPT015251
      120•COLLAR, ROD14442-01
      130•SCREW, #10-32 SET X .188 LONG14439-01
      140•ANVIL, SHELL CAP14436-01
      150•NUT,.157-40 ANVIL14432-01
      160ROD, END 2"14438-01
      170•ROD POINT14440-01
      180•NUT,.375-40 ROD CHK14441-01
      190•COLLAR, ROD14442-0(2)1
      200•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      210ROD, END 4"14445-01
      220•NUT,.375-40 ROD CHK14441-01
      230•SCREW, #5-40 SET X .125 LONG14337-01
      250•COLLAR, ROD14442-0(2)1
      260•ROD POINT14440-01
      270•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      280ROD, END 6"14449-01
      290•NUT,.375-40 ROD CHK14441-01
      300•SCREW, #5-40 SET X .125 LONG14337-01
      320•COLLAR, ROD14442-0(2)1
      330•ROD POINT14440-01
      340•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      350ROD, END 8"14451-01
      360•NUT,.375-40 ROD CHK14441-01
      380•SCREW, #5-40 SET X .125 LONG14337-01
      390•COLLAR, ROD14442-0(2)1
      400•ROD POINT14440-01
      410•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      420ROD, END 10"14455-01
      430•NUT,.375-40 ROD CHK14441-01
      450•SCREW, #5-40 SET X .125 LONG14337-01
      460•COLLAR, ROD14442-0(2)1
      470•ROD POINT14440-01
      480•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      490ROD, END 12"12979-01
      510•SCREW, #5-40 SET X .125 LONG14337-01
      520•NUT,.375-40 ROD CHK14441-01
      530•ROD POINT14440-01
      540•COLLAR, ROD14442-0(2)1
      550•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      560EXTENSION ROD, 12"12984-01
      570•STUD, CONNECT12980-01
      590•SCREW, #5-40 SET X .125 LONG14337-01
      600•COLLAR, ROD14442-0(2)1
      610•SCREW, #10-32 SET X .188 LONG14439-0(2)1
      620EXTENSION ROD, 24"12987-02
      630•STUD, CONNECT12980-01
      650•SCREW, #5-40 SET X .125 LONG14337-02
      660•COLLAR, ROD14442-0(2)2
      670•SCREW, #10-32 SET X .188 LONG14439-0(2)2
      680WRENCH #12812989-02
      690WRENCH #301526-01

    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