These micrometers are used to check out-of-roundness from centerless grinding or other machining operations. They are also used for measuring odd fluted taps, milling cutters, and reamers. When measuring odd fluted cutters, make sure that one cutting edge lines up with the micrometer spindle axis.

Readability Features

• Direct measuring of three and five-fluted tools
  
• 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

• Balanced frame and thimble design insure easy handling and better readability
  
• Ring-type knurled lock nut for quick and sure locking
  
• The combination ratchet and speeder for uniform pressure and quicker adjustment on all sizes

Accuracy and Long-Life Features

• Rigid one-piece frame of drop forged steel
  
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
  
• Micro-lapped measuring faces
  
• Carbide facing on spindle and anvils for extra long wear
  
• Quick and easy adjustment
  
• Starrett workmanship
  

V-Anvil Micrometers
No. 483, 483M Series
Range: .093-2" (2-25 mm)
No. 485, 485M Series
Range: .078-1" (2-25mm)

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