Irwin - 21/64" 135° High Speed Steel Jobber Drill

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Item #: 55267801Brand: IrwinModel #: 73321 Features and Benefits High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferro us and nonferrous materials. Oxide/gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Product Specifications Drill Bit Size (Inch) 21/64 Drill Bit Size (Decimal Inch) 0.3281 Drill Point Angle 135 Drill Bit Material High Speed Steel Drill Bit Finish/Coating Oxide/Gold Flute Type Spiral Shank Type Straight Coolant Through No Flute Length (Inch) 3-5/16 Flute Length (mm) 84.14 Flute Length (Decimal Inch) 3.3125 Overall Length (mm) 117.47 Overall Length (Decimal Inch) 4.6250 Overall Length (Inch) 4-5/8 Shank Diameter (mm) 8.33 Shank Diameter (Inch) 21/64 Maximum Drilling Depth (Decimal Inch) 3.3125 Maximum Drilling Depth (mm) 84.14 Maximum Drilling Depth (Inch) 3.3125 Spiral Type Regular Spiral Specification Designation ANSI Number of Flutes 1 Series/List 733/731 Show more