H.D. Chasen Company
 
Thread Tap 1/2" Diameter - 15/16" Diameter
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Thread Tap 1/2-11 
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Thread Tap 1/2-13 UNC 
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Thread Tap 1/2-14 NS 
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Thread Tap 1/2-16 NS 
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Thread Tap 1/2-18 NS 
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Thread Tap 1/2-20 UNF 
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Thread Tap 1/2-22 
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Thread Tap 1/2-24 NS 
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Thread Tap 1/2-26 
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Thread Tap 1/2-27 NS 
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Thread Tap 1/2-28 NEF 
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Thread Tap 33/64-13 NS 
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Thread Tap 13/32-32 NS 
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Thread Tap 9/16-12 
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Thread Tap 9/16-14 
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Thread Tap 9/16-16 NS 
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Thread Tap 9/16-18 
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Thread Tap 9/16-22 
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Thread Tap 9/16-24 NEF 
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Thread Tap 9/16-27 NS 
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Thread Tap 9/16-28 
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Thread Tap 9/16-30 
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Thread Tap 9/16-32 NS 
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Thread Tap 9/16-36 
 
   
     
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
