Starrett T225F Wire Friction Thimble Micrometer, 0-.400″ Range


The Starrett T225F Wire Micrometer features a 0-.400″ range, friction thimble, and .0001″ graduation.

Add 5-7 days for calibration

Product Description

The Starrett T225F Wire Micrometer can measure wire diameter up to .400″ (10mm). It can also measure the thickness of flat metal surfaces and many other applications, including:

  • Testing the quality of metal alloys
  • Testing the quality of steel products
  • Testing the size and shape of metal objects

Readability Features

  • Starrett satin chrome finish – no glare – resists rust
  • Advanced sleeve design with staggered lines and distinct figures
    for precise and easy readability
  • Quick-reading figures – every thousandth numbered on inch tools

Ease of Handling Features

  • Smooth friction thimble for uniform pressure
  • Hex body which stops the micrometer from rolling over when
    placed on a flat surface
  • The throat is flat to support the wire when measuring
  • The anvil and spindle extend below the flat surface

Accuracy and Long-Lasting Features

  • Extremely hard and stable one-piece spindle (the heart of Starrett’s accuracy)
  • Quick and easy adjustment


  • Aerospace
  • Automotive
  • Medical
  • Defense
  • Electronics
  • Manufacturing
  • Construction
  • Agriculture

About Starrett

The L.S. Starrett Company is a world leader in precision measuring tools and instruments. Since 1880, they have been an industry standard. Starrett’s high quality and durability have made the brand an industry standard for decades. They produce products for various industries, including aerospace, automotive, manufacturing, and commercial construction. Today, they’ve expanded into metalworking, making saw blade products for manufacturing operations worldwide.

Additional Information

Weight 0.3 lbs
Dimensions 5.5 × 1.3 × 1.1 in




Anvil Shape




Operation Type


Thimble Type


Anvil Material


Spindle Type


Spindle Material


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