Starrett T231XRL Micrometer 0-1” Range, .0001” Grad, Carbide Faces, Ratchet Stop, Lock Nut

Sale price$285.00
In stock


The Starrett 230 & 230M Outside Micrometer includes a ratchet stop, lock nut, and carbide face. 0-1” Range, .0001” Grad, Carbide Faces, Ratchet Stop, Lock Nut.


  • This is a slightly heavier micrometer with thermal insulators mounted on the frame front and rear

  • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability

  • 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

  • Quick-reading figures – every thousandth numbered on inch tools

  • Carbide Measuring Faces

  • Ratchet Stop

  • Lock Nut

  • Micro-lapped measuring faces

  • Starrett satin chrome finish – no glare – resists rust

  • Ring-type knurled lock nut for quick and sure locking

  • The anvil and spindle are sized at .250" (6.35mm)

  • Rigid one-piece frame of drop forged steel

  • Extremely hard and stable one-piece spindle

  • A combination ratchet and speeder for uniform pressure and quicker adjustment on all sizes


  • Made in America: Yes

  • 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: Ratchet

  • Accuracy (in): +/-.00005"

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