This Starrett Micrometer is designed for automotive work and especially for crankshaft measuring. It is also well suited for all other work within its capacity. It measures the diameter of the journal bearing and main bearing of most crankshafts since the micrometer has a range from 1 1/2" (38 mm) – 3 1/2" (88 mm).

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

• Balanced frame and thimble design insure easy handling and better readability
• Ring-type knurled lock nut for quick and sure locking
  
• Combination ratchet and speeder for uniform pressure and quicker adjustment
  
• Gracefully designed tapered frame for use in narrow slots and tight places
  
• 2" (50 mm) range
  
• 2 5/8" (66 mm) throat depth

Accuracy and Long-Life Features

• Rigid one-piece frame of drop forged steel, ribbed for extra strength
  
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
  
• Micro-lapped measuring faces
  
• Quick and easy sleeve adjustment
  
• Starrett workmanship
  

Automotive Crankshaft Micrometers
No. 436-3 1/2 
Range: 1 1/2 - 3 1/2"
No. 436M-88 
Range: 38-88 mm

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