Item #: 00649624Brand: Triumph Twist DrillModel #: 099101 Features and Benefits High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials. Reduced shank designs are smaller than the drill bit diameter and can fit in standard collets and chucks. Product Specifications System of Measurement Inch Drill Bit Material High Speed Steel Drill Bit Set Type Reduced Shank Drill Bits Minimum Drill Bit Size (Inch) 1/16 Maximum Drill Bit Size (Inch) 1/2 Drill Point Angle 135 Number of Pieces 29 Drill Bit Finish/Coating Bronze/Black Oxide Drill Bit Size (Inch) 1/16; 5/64; 3/32; 7/64; 1/8; 9/64; 5/32; 11/64; 3/16; 13/64; 7/32; 15/64; 1/4; 17/64; 9/32; 19/64; 5/16; 21/64; 11/32; 23/64; 3/8; 25/64; 13/32; 27/64; 7/16; 29/64; 15/32; 31/64; 1/2 Point Type Split Point Step Increments (Inch) 1/64 Set Includes (29) Reduced Shank Drills Shank Type Reduced Shank Diameter (Inch) 3/8 PSC Code 5133 Storage Unit Type Case Storage Unit Material Metal Through Coolant No