Ivy Classic, 09021, 11 Holes 3/4" - 1-3/8" Step Drill Bit, Fractional Hole Enlarging Step Drills

Ivy Classic, 09021, 11 Holes 3/4" - 1-3/8" Step Drill Bit, Fractional Hole Enlarging Step Drills, Premium Swift Bore High-Speed Molybdenum Steel - Heavy Duty Wear resistant against high temperature and abrasion. Precision Ground, Bright Finish. Hole Sizes 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4, 1-5/16, 1-3/8". For metal, wood & plastic drilling. For hole enlarging, requires a pilot hole. Ideal for 1" conduit and tubing. Produce perfectly round burr-free holes in materials up to 1/8" thick. 11 conventional drill sizes on one bit. Lobular shanks won’t slip in the drill chuck. Sizes are laser marked on the bit for easy hole size identification. Cone shape of the bit adds strength so there is no flexing of the bit while drilling. Economical and practical for electricians, auto mechanics, sheet metal workers, and general contractors. Shank Size 1/2".