DeWALT - 6 Hole Sizes, 3/16 to 1/2" Hole Diam High Speed Steel Split Point Step Drill Bit

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Item #: 77679447Brand: DeWALTModel #: DWA1784IR Features and Benefits High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications on both f errous and non-ferrous materials. Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools. Hex shanks are used higher speed machining operations due to its angled shape. They are constructed of six sides and fit into a quick change chuck. They are commmonly made of a 1/4" shank. Product Specifications Minimum Hole Diameter (mm) 4.76 Minimum Hole Diameter (Inch) 3/16 Maximum Hole Diameter (Inch) 1/2 Maximum Hole Diameter (mm) 12.70 Drill Bit Material High Speed Steel Drill Bit Finish/Coating TiN Number of Hole Sizes 6 Shank Type Hex Shank Diameter (mm) 6.35 Shank Diameter (Inch) 1/4 Step Length (Inch) 3/8 Point Type Split Point Step Increments (Inch) 3/16; 1/4; 5/16; 3/8; 7/16; 1/2 Overall Length (Inch) 3-1/2 Number of Flats 6 Drill Bit Grade High Performance Show more