Milwaukee® aircraft length drill bit, 3/16 in, 0.1875 in drill, 12 in OAL, 2-5/16 in cutting depth, parabolic flute, 2-5/16 in flute length, 1/4 in shank, 3-flat/round shank, 135° point, split point, HSS cutting edge, HSS, black oxide, applicable materials: metal, plastic and wood. Milwaukee® 48-89-2771 Aircraft Length Drill Bit, 3/16 in, 0.1875 in Drill, 135° Point, HSS