Triumph Twist Drill - 0.397" 135° High Speed Steel Jobber Drill

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Item #: 00648634Brand: Triumph Twist DrillModel #: 012724 Features and Benefits High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous 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 (Decimal Inch) 0.3970 Drill Point Angle 135 Drill Bit Material High Speed Steel Drill Bit Finish/Coating Oxide/Gold Flute Type Spiral Cutting Direction Right Hand Shank Type Straight Coolant Through No Flute Length (Inch) 3-3/4 Overall Length (Inch) 5-1/8 Point Type Split Point Shank Diameter (Decimal Inch) 0.3970 Spiral Type Regular Spiral Web Configuration Tapered Web Thinning Web-Thinned Drill Bit Grade Heavy-Duty Material Grade M7 Series/List T3HD Show more