Starrett T468XSP-1 Direct Reading Large Micrometer Head, 0-1″ Range, .0001″


Designed with electronic equipment in mind, the T468XSP-1 is ideal for machine tools, fixtures, special gages and tools, and special mountings requiring ultra-fine adjustment.

Add 5-7 days for calibration

SKU: T468XSP-1 Category: Tags: , , , , , ,

Product Description

The Starrett T468XSP-1 Direct Reading Large Micrometer Head is ideal for applications that require micrometer accuracy in setting and adjustment. The measuring range is 0-1”, and the graduation is 0.0001”. It also has a spindle adjustment that permits adjusting the spindle length approximately ±1/16″ (1.5mm). 

Additionally, the 468 series have double figures in red and black on the sleeve and thimble, permitting reading both ways with the spindle moving in either direction.

T468XSP-1 Features and Specifications

  • 2-1/16″ (52mm) thimble diameter with widely spaced .0001″ or 0.002mm graduations for direct reading
  • All graduations are direct reading – no vernier lines
    to match
  • All reading surfaces have Starrett’s satin chrome finish as
    the no-glare background for the sharp lines and figures
  • All graduations on sleeves and thimbles have advanced
    styling with staggered graduations for easy reading
  • The spindle is carbide faced for long life
  • Aluminum thimble and sleeve to reduce weight
  • Furnished with a speeder (not a ratchet) for
    quicker adjustment
  • Extremely hard and stable one-piece spindle for
    accuracy and long-life
  • Micro-lapped measuring face for flatness and squareness
  • Quick and easy adjustment


  • Manufacturing
  • Machining
  • Automotive
  • Aerospace
  • Engineering
  • Inspection
  • Industrial
  • Quality Control


  • Measure the diameter of a workpiece
  • Measure the width of a workpiece
  • Measure small objects and parts
  • Ideal for gauging soft or elastic materials
  • Works best when attached to other measuring tools

How to Use Adjustable Feature

If the spindle is against a definite stop and requires a different position, first loosen the cap screw at the end of the thimble. Then position the spindle to the desired location, and while holding the spindle in position, rotate the thimble to zero and retighten the cap screw.

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 1.3 lbs
Dimensions 6.5 × 2.8 × 2.5 in






Operation Type


Thimble Diameter




Spindle Material


Spindle Type


Thimble Type


Spindle Length


You may also like…