Precision Twist Drill Precision Twist Drill Extra Length Drill, General Purpose, Series: 1290, 21/32 in Drill - Fraction, 0.6562 in Drill - Decimal Inch, 12 in Overall Length, 12XD Cutting Depth, 2 Flutes, Spiral Flute, 9 in Flute Length, 21/32 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Wood, Plastic and Non-Ferrous Metals, Specifications Met: ANSI, No Through Coolant