458MAXRS Automotive Disc Brake Micrometer 67539

458, 458M Automotive Disc Brake Micrometers
Automotive Disc Brake Micrometer, Ratchet Thimble, Carbide and Pointed Anvil, 7.6-33mm Range

The Starrett 458 Automotive Disc Brake Micrometer features an advanced sleeve design for precise, easy readability, and its balanced frame and thimble design ensures easy handling. Best used for measuring the depth of wear grooves in disc of brake systems. This model features .300-1.300" Range and .001 Graduation. Micrometers are ratchet stop with carbide face. 7.6-33mm Range, 0.01mm Grad, Ratchet Stop, Standard.

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  • Advanced sleeve design for precise, easy readability
  • Quick-reading figures - every thousandth numbered on inch tools
  • Balanced frame and thimble design ensure easy handling and better readability
  • Gracefully designed tapered frame for use in narrow slots and tight places
  • Quick and easy adjustment
  • 3" (75mm) frame with a 3-1/2" (88mm) depth to allow additional reach
  • Flat carbide spindle
  • Carbide anvil with a 60 Deg point
  • Starrett satin chrome finish - no glare - resists rust
  • Combination ratchet and speeder for uniform pressure and quicker adjustment
  • Rigid one-piece steel frame
  • Extremely hard and stable one-piece spindle
  • Carbide measuring face on the spindle and carbide V anvil
  • Extremely hard and stable one-piece spindle


  • Made in America: Yes
  • Micrometer Type: Automotive Disc Brake Micrometer
  • Range (mm): 7.6-33mm
  • Graduations (mm): 0.01mm
  • Anvil/Spindle Material: Carbide
  • Anvil Type: Pointed
  • Spindle Type: Flat
  • Thimble Type: Ratchet


    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
      2SHELL, ADJ. 7.6-33MM24732-01
      4SPRING, BARRELPT015251
      5NUT, .375-52PT164141
      6SPINDLE S.A. METRIC24755-01
      7ANVIL SUB ASSEMBLY23578-01
      9•CAP ASSEMBLYPT994451
      11••CAP, RATCHET07671-B1
      12•BODY, RATCHET #23019773-01
      13•PIN, RATCHET .066D X .156LPT189761
      14•SPRING, .037X.061X.188X.011X603324-01
      15•SCREW, #2-64 SLOT X .204 LONGPT197721
      16NAMEPLATE, 7.6MM-33.MM05500-01
      17STANDARD, 25MM GAGE26853-01
      18WRENCH #3PT015261

    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