Precision Twist Drill Core Drill, Long Length, Series: T400, 25/32 in Drill Size - Fraction, 0.7812 in Drill Size - Decimal Inch, 9-7/8 in Overall Length, 6 in Cutting Depth, 4 Flutes, Spiral Flute, 6 in Flute Length, 25/32 in Shank, #2 Morse Taper Shank, 118 deg Point, Chamfer Point, Right Hand Cutting, HSS Cutting Edge, HSS, Steam Oxide, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel, Lamellar Graphite, Alloy Steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic and Martensitic