Fractional Hole Enlarging Step Drills - Premium Swift Bore®

Carded

• M2 High-Speed 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".