Irwin Multi-Material Drill Bit Sets 5 Piece Set Grilles & Returns 3 of #2 square recess

3 of #2 square recess x 1"

patented variable tooth technology provides faster cuts with less vibration

Large chuck withstands higher torque demands of impact drills

Rolled Fin for Strength and Safety

Irwin Multi-Material Drill Bit Sets 5 Piece Set Grilles & Returns 3 of #2 square recessMulti Material Drill Bit Sets Features: IRWIN Multi Material drill bits drill through just about any type of material out there brick, block, tile, metal, wood, plastic and marble theyll even drill through multiple materials at the same time. These versatile bits are designed specifically for rotary drilling, but are tough enough to be used with hammer drills. Carbide tip has a unique diamond ground, four facet design with sharper cutting edges for