About this item

Fast, accurate drilling: 135 degree split-point tip starts on contact to prevent walking, while the parabolic flute clears chips fastThicker core resists breakingCorrosion resistance: black oxide coating provides lubricity and resists corrosion of the bitExtreme durability: a thicker web provides strength and long-lifeReduced slipping: 3-flat secure-grip shank holds the bit firmly in the drill chuckFlexibility with projects: includes 21 twist drill bits in jobber length bit sizes for a variety of applicationsVarious sizes: bit sizes range from 1/16 in. to 1/2 in.Reduced shank diameter for use in 3/8 in. chucksIncludes: (2) 1/16 in., (2) 5/64 in., 3/32 in., 7/64 in., (2) 1/8 in., 9/64 in., 5/32 in., 11/64 in., (2) 3/16 in., 13/64 in., 7/32 in., 15/64 in., (2) 1/4 in., 5/16 in., 3/8 in. and 1/2 in. (21) Black oxide drill bits, Model# 48-89-2801