Fractional Sure-Start 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 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".
• For metal, wood & plastic drilling.
• Sure-Start point, fast penetration and accurate self centering.
• Produce perfectly round burr-free holes in materials up to 1/8" thick.
• 9 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 3/8".