• For use with electric or cordless hammerdrills
• Ideal for drilling holes in brick, block, concrete, and masonry

Product Description

Rock Carbide bits with four flute carbide head that provides longer bit life with a special enlarged flute design that channels debris out of the hole for fast, efficient drilling into masonry, concrete, rock, and artificial stone. The bits in this set are intended to make holes for mechanical anchors. No-Spin Shank to eliminate bit slippage; used with 3/8" and 1/2" sized chucks. Includes: 3/16"x3", 1/4"x4", 5/16"x6", 3/8"x6", 1/2"x6" and (2) 1/4"x6".