54
        
        
          
            Serial Taps
          
        
        
          For general purpose machine or hand use in tough materials,
        
        
          producing accurate threads with a high finish. Used in sequence to
        
        
          remove most of the material in stages before finally sizing with the
        
        
          Finishing tap.
        
        
          
            Pipe Taps
          
        
        
          For machine use on pipe work for parallel threads.
        
        
          For machine use on pipe work for tapered threads.
        
        
          
            Special taps are available on request.
          
        
        
          Rougher
        
        
          Intermediate
        
        
          Finisher