Morse, SDHE12 (124515), Switchback, high speed steel step drills is for precision hole cutting in materials from plastics to metal. Designed to enlarge an existing hole, starting at 3/4", up to 1-3/8"diameter, in 1/16" increments (total of 11 steps). Sprial flute allows for faster penetration and cutting.  Shank is 3/8" hex. One (1) step drill per box.
      
      
        
        
        
        
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			Details
		 
		  
			- High speed steel bit
 - Hole enlarging, starting at 3/4" diameter
 - 3/8" shank, ground three sides flat
 - Trailing flute mimizing burr
 
		   
		 
		
		  
			 Additional Information 
		  
		  
			Manufacturer: MK Morse