Union Butterfield - 1/2" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore

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Item #: 65706392Brand: Union ButterfieldModel #: 6210145 Features and Benefits High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials. Product Specifications Counterbore Diameter (Inch) 1/2 Counterbore Diameter (Decimal Inch) 0.5000 Pilot Shank Diameter Compatibility (Inch) 1/8 Pilot Shank Diameter Compatibility (Decimal Inch) 0.1250 Finish/Coating Bright Counterbore Material High Speed Steel Number of Flutes 4 Shank Type Straight Shank Diameter (Inch) 1/4 Shank Diameter (Decimal Inch) 0.2500 Aircraft-Style Yes Overall Length (Decimal Inch) 2.8125 Overall Length (Inch) 2-13/16 Flute Length (Decimal Inch) 0.50 Flute Length (Inch) 1/2 Cutting Direction Forward Material Application Alloy Steel; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloys; Free Machining Stainless Steel; Hardened Steel; Nickel; Nickel Alloys; Stainless Steel; Steel; Structural Steel; Titanium; Titanium Alloys Show more