486MP-25 Blade Type Micrometer

486,486M Blade Type Micrometers with Non-Rotating Spindle and Speeders
Blade Type Micrometer, Speeder Thimble, 0.8mm Blade Anvil, 0-25mm Range

The Starrett 486M Blade Type Micrometer is another special function Starrett micrometer. It is designed for fast and accurate measurements of circular form tools, diameter and depth of narrow grooves, slots, keyways, recesses, and depths between lands and fins. 0-25mm Range, 0.01mm Grad.

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  • The blades are .030" (0.8mm) thick
  • Blades will measure to 5/16" (8mm) depths
  • Balanced frame and thimble design ensure easy handling and better readability
  • Speeder for quicker adjustment on all sizes
  • Non-rotating spindle prevents blade from turning in narrow slots or rolling off shoulder
  • Starrett satin chrome finish - no glare - resists rust
  • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
  • Rigid steel frame ribbed for extra strength
  • Extremely hard and stable one-piece spindle
  • Quick and easy adjustment


  • Made in America: Yes
  • Micrometer Type: Blade Type Micrometer
  • Range (mm): 0-25mm
  • Graduations (mm): 0.01mm
  • Anvil/Spindle Material: Steel
  • Anvil Type: 0.8mm Blade
  • Spindle Type: 0.8mm Blade
  • Thimble Type: Speeder




    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
      30ANVIL-ELEC BLADE MIC24737-01
      40SPINDLE SCR. .291-4008027-M1
      50SCREW,.157-40 X .158 LONG27894-01
      70NUT, #4-4819160-02
      80SPRING, BARREL10058-01
      90SCREW, .085-60 SLOT X .219 LONG16353-01
      100NUT, .291-4016755-01
      110NAMEPLATE #486M27108-01
      120NUT, .375-52PT164141
      130SHELL, ADJ. METRIC05134-M1
      140SHELL,OUTSIDE METRIC24676-01
      150CAP, SHELLPT080261
      160WRENCH #3PT015261
      170CASE, PLASTIC FOR 2"/50mm MICRO.PT282631NOT SHOWN

    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