Drill America GLBCOX1227/64 GLBCO Steel Aircraft Extension Drill Bit 27/64" Size, Round Shank, Sprial Flute, Cobalt, 135 Degree, Right Hand, Split Point, Gold Oxide Finish, 3-15/16" Length

California Proposition 65: This product contains a chemical known to the State of California to cause cancer.
California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135ð split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling where extra length for reach is required. Round shank for use in a wide range of tool holding systems