Precision Twist Drill Screw Machine Drill, General Purpose Heavy Duty, Series: QC41G, Imperial, #29 Drill - Wire, 0.136 in Drill - Decimal Inch, 1-15/16 in Overall Length, 3XD Cutting Depth, 2 Flutes, Parabolic Flute, 15/16 in Flute Length, 29 mm Shank, Straight Shank, 135 deg Point, Radius Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, TiN, Gold, Applicable Materials: Alloy Steel, Brass, Bronze, Copper, Ferritic + Austenitic, Free Machining Stainless Steel, Hardened and Tempered Steel, Lamellar Graphite, Martensitic, Magnetic Soft Steel, Nodular Graphite/Malleable Cast Iron, Plain Carbon Steel, Structural Steel/Case Carburizing Steel and Unalloyed Nickel