H.D. Chasen Company
 
Cobalt S&D Drill Bits (1/2" Shank)
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57/64" Diameter Cobalt S&D Drill Bit 
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29/32" Diameter Cobalt S&D Drill Bit 
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15/16" Diameter Cobalt S&D Drill Bit 
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59/64" Diameter Cobalt S&D Drill Bit 
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61/64" Diameter Cobalt S&D Drill Bit 
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31/32" Diameter Cobalt S&D Drill Bit 
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63/64" Diameter Cobalt S&D Drill Bit 
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1" Diameter Cobalt S&D Drill Bit 
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1-1/16" Diameter Cobalt S&D Drill Bit 
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1-1/8" Diameter Cobalt S&D Drill Bit 
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1-11/32" Diameter Cobalt S&D Drill Bit 
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1-3/16" Diameter Cobalt S&D Drill Bit 
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1-1/4" Diameter Cobalt S&D Drill Bit 
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1-5/16" Diameter Cobalt S&D Drill Bit 
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1-3/8" Diameter Cobalt S&D Drill Bit 
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1-7/16" Diameter Cobalt S&D Drill Bit 
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1-1/2" Diameter Cobalt S&D Drill Bit 
 
   
     
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
