Precision Twist Drill Extra Length Drill, General Purpose, Series: QC0860P, 27/64 in Drill - Fraction, 0.4219 in Drill - Decimal Inch, 8 in Overall Length, 10XD Cutting Depth, 2 Flutes, Parabolic Flute, 6 in Flute Length, 27/64 in Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Bright, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened Steel, Tempered Steel, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Free Machining Stainless Steel and Ferritic + Austenitic, Specifications Met: ANSI, No Through Coolant