MORSE Taper Shank Drill Bit, General Purpose, Series: 1302, Imperial, 1-3/8 in Drill - Fraction, 1.375 in Drill - Decimal Inch, 14-1/2 in Overall Length, 8-7/8 in Cutting Depth, Standard Flute, 8-7/8 in Flute Length, #4 Morse Taper Shank Taper Designation, 118 deg Point, Standard Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Alloyed Steel, Aluminum Alloy, Cast Iron, Copper Alloy, Composite and Plastic, Low/Medium Carbon Steel, Machining Stainless Steel, Magnesium Alloy, Titanium Alloy, Tool and Die Steel