Screw Thread Comparator Micrometers
No. 210, 210M Series

This micrometer is ideal for quick comparisons of thread accuracy in screw cutting operations, measuring in small grooves or recesses where regular micrometers cannot be used, and for many other applications.

(Does not measure pitch diameter. For such measurements, Starrett No. 575, No. 585, or No. 1130 cone and vee thread gaging system are recommended.)

Readability Features

• Starrett satin chrome finish – no glare – resists rust
  
• Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
  
• Convenient decimal equivalents on Inch reading tools

Ease-of-Handling Features

• Balanced frame and thimble design insure easy handling and better readability
  
• Gracefully designed tapered frame for use in narrow slots and tight places

Accuracy and Long-Life Features

• Rigid one-piece steel frame
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
  
• The No. 210 has 60° conical anvil and spindle faces with 1/64" (0.4 mm) flats on the ends of the points
  
• Quick and easy adjustment
  
• Starrett workmanship
  

Screw Thread Comparator Micrometers
No. 210, 210M Series
Range: 0-7/8" (0-22 mm)

J.W. Donchin Co.
Ph: 773-261-2182 • Fax: 773-261-2867 • Email: sales@jwdonchin.com