486P-11 Blade Type Micrometer

486,486M Blade Type Micrometers with Non-Rotating Spindle and Speeders
Blade Type Micrometer, Speeder Thimble, 0.030" Blade Anvil, 10-11" Range

The Starrett 486 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. 10-11" Range, .001" 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 (in): 10-11"
  • Graduations (in): .001"
  • Anvil/Spindle Material: Steel
  • Anvil Type: 0.030" Blade
  • Spindle Type: 0.030" Blade
  • Thimble Type: Speeder


    2D Dimensional Drawing (PDF)



    210.82 kb



    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
      20SCREW, .085-60 SLOT X .219 LONG16353-01
      30SCREW,.157-40 X .158 LONG27894-01
      40NUT, #4-4819160-02
      70SCREW, .157-40 SET X .094 LONGPT063881
      90NUT, .500-52PT168451
      100SHELL, ADJ. ENGLISH04220-01
      110SPRING, BARREL10058-01
      120SHELL, OUTSIDE ENGLISH18234-01
      130CAP, SHELL18235-01
      140NUT, .291-40PT167551
      150WRENCH #232 1/2PT171841
      160NAMEPLATE, 11"28195-01

    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