H.D. Chasen Company
 
Thread Tap 1/16" Diameter - 15/32" Diameter
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Thread Tap 1/4-60 
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Thread Tap 1/4-64 
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Thread Tap 1/4-80 NS 
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Thread Tap 9/32-20 
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Thread Tap 9/32-32 NS 
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Thread Tap 9/32-72 
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Thread Tap 5/16-16 
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Thread Tap 5/16-18 UNC 
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Thread Tap 5/16-20 NS 
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Thread Tap 5/16-22 
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Thread Tap 5/16-24 UNF 
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Thread Tap 5/16-26 
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Thread Tap 5/16-27 NS 
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Thread Tap 5/16-28 NS 
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Thread Tap 5/16-30 
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Thread Tap 5/16-32 NEF 
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Thread Tap 5/16-40 NS 
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Thread Tap 5/16-48 
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Thread Tap 5/16-56 
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Thread Tap 5/16-64 
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Thread Tap 11/32-32 NS 
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Thread Tap 3/8-14 
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Thread Tap 3/8-16 UNC 
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Thread Tap 3/8-18 NS 
 
   
     
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
