50754

T221XL Hi-Precision Micrometer 50754

The Starrett 221-Hi Precision Micrometer features a lock nut, carbide face, and .0001" graduation. Hi-Precision Micrometer, 0-1”, .0001” Grad, Carbide Faces, Lock Nut.

Note:
This item is discontinued. Please consider the recommended alternative listed above or contact our special order department at (978) 249-3551 x410 for more information.


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Features

  • Permits direct readings in ten-thousandths of an inch (.0001") without a vernier, plus automatic control of spindle pressure
  • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
  • Balanced frame and thimble design for easy handling and better readability
  • Gracefully designed tapered frame for use in narrow slots and tight places
  • Quick and easy adjustment
  • Exclusive constant pressure mechanism eliminates “feel” and ensures constant spindle pressure for all readings
  • Carbide Faces
  • Lock Nut
  • Micro-lapped measuring faces
  • Starrett satin chrome finish – no glare – resists rust
  • Ring-type knurled lock nut for quick and sure locking
  • Rigid one-piece frame of drop forged steel
  • Extremely hard and stable one-piece spindle
  • Convenient decimal equivalents on inch tools
  • Black graduated inner thimble and sleeve reading in thousandths and graduated outer thimble and sleeve give direct readings in ten-thousandths
  • Precise instant, direct readings in ten-thousandths of an inch (.0001")

Specifications

  • Micrometer Type: Outside
  • Range (in): 0-1"
  • Graduations (in): .0001"
  • Anvil/Spindle Material: Carbide
  • Anvil Type: Flat
  • Spindle Type: Flat
  • Lock Nut Type: Knurled Ring Type
  • Thimble Type: Special High Precision
  • Accuracy (in): +/-.00005"

Downloads


    Catalog



     


    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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    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