Tapcon 1/4-in x 7-in Carbide Masonry Drill Bit for Sds-plus DrillThe Tapcon Red Head SDS drill bit is designed for use with Tapcon and Red Head anchors. This drill bit has an industry standard SDS shank for use with rotary hammer drills. The drill bit tip is made of carbide steel for tough jobs. 1 4 in diameter and 7 in working length Engineered for use with Tapcon and Red Head anchors Designed for the toughest concrete and masonry drilling jobs Promotes accurate hole sizing Meets ANSI standards Compatible with