Drill America SDS4F51612 SDS4F Series 5/16-Inch x 12-Inch SDS-Plus 4-Flute Cross Tip Hammer Bit Drill Bit

SDS Carbide Tipped Drill Bits are designed for drilling stone or concrete Carbide-tipped tools feature cutting edges of carbide for wear resistance and a steel shank for toughness Premium SDS Drill Bits are auto-weld manufactured on first-class German and Swiss equipment with a Japanese-manufactured carbide-tip 4-Flute Cross Tip vibrates less and makes rounder holes than standard SDS bits Wide 4-Flute Cross Tip allows for faster dust removal and reduced heat producing more holes than standard SDS bits