6
        
        
          
            SELECTING THE CORRECT DRILL
          
        
        
          
            Drills for general use
          
        
        
          These twist drills are designed to drill the common materials under
        
        
          normal operating conditions.
        
        
          The following standard drills are available ex-stock from Somta.
        
        
          
            Jobber Drills
          
        
        
          General purpose drilling.
        
        
          
            Long Series Drills
          
        
        
          General purpose long reach drilling.
        
        
          
            Stub Drills
          
        
        
          A short robust drill suited to portable drill applications.
        
        
          
            Reduced Shank Drills 1/2” / 12,7 mm Shank
          
        
        
          General drilling for use in hand power tools.
        
        
          
            Left hand Jobber Drills
          
        
        
          General purpose drilling in the left hand direction.
        
        
          
            MTS Drills
          
        
        
          General purpose drilling.
        
        
          
            MTS Drills, HSS-Co
          
        
        
          General purpose drilling in difficult materials.