IRWIN 66620 5/16" 6 in. Aircraft Fractional B

Ideal for drilling in hard-to-reach areas and for running wires and cableBit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistanceFor general use in wood, metal, and plasticBlack oxide coating resists corrosion135 degree split point ensures a true start and eliminates bit walkingSpecificationsItem #SizeTwist LengthOverall LengthBulk666041/16"7/8"6"*666055/64"1"6"*666063/32"1-1/4"6"*666077/64"1-1/2"6"*666081/8"1-5/8"6"*666099/64"1-3/4"6"*666105/32"2"6"*6661111/64"2-1/8"6"*666123/16"2-5/16"6"*6661313/64"2-7/16"6"*666147/32"2-1/2"6"*6661515/64"2-5/8"6"*666161/4"2-3/4"6"*6661717/64"2-7/8"6"*666189/32"2-15/16"6"*6661919/64"3-1/16"6"*666205/16"3-3/16"6"*6662121/64"3-5/16"6"*6662211/32"3-7/16"6"*6662323/64"3-1/2"6"*666243/8"3-5/8"6"*6662525/64"3-3/4"6"*6662613/32"3-7/8"6"*6662727/64"3-15/16"6"*666287/16"4-1/16"6"*6663015/32"4-5/16"6"*666321/2"4-1/2"6"*667041/16"7/8"6"667081/8"1-5/8"6"667123/16"2-5/16"6"667161/4"2-3/4"6"667205/16"3-3/16"6"667243/8"3-5/8"6"667287/16"4-1/16"6"667321/2"4-1/2"6"