Precision Twist Drill Jobber Length Drill Bit, Heavy Duty, Series: R89CO, Imperial, #7 Drill - Wire, 0.201 in Drill - Decimal Inch, 3-5/8 in Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 1-3/16 in Flute Length, 0.201 in Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS-E Cutting Edge, No Through Coolant, HSS-E, Oxide Treated, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Titanium Unalloyed/Alloyed ,Nickel Unalloyed/Alloyed, Brass, Bronze, High Strength Bronze and Cermets