Precision Twist Drill Jobber Length Drill Bit, General Purpose, Series: 2AB, Metric/Imperial, 8.5 mm Drill - Metric, 0.3346 in Drill - Decimal Inch, 117 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 75 mm Flute Length, 8.5 mm Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Steam Tempered, Dark Gray, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Alloy Steel Hardened, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic, Lamellar Graphite, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Unalloyed Titanium, Alloyed Titanium, Unalloyed Nickel, Alloyed Nickel, Copper, Brass, Bronze, High Strength Bronze, Unalloyed Aluminum Magnesium, Alloyed Aluminum, Thermoplastics, Thermosetting Plastics, Reinforced Plastic Materials and Cermets