Irwin Multi-Material Drill Bit Sets 5 Piece Set Grilles & Returns Five flute design reduces vibration

Five flute design reduces vibration for smoother drilling and extended life

Fits all standard quick change chucks and adapters

Rolled Fin for Strength and Safety

safety lock/guarded trigger minimizes accidental start

Large chuck withstands higher torque demands of impact drills

Irwin Multi-Material Drill Bit Sets 5 Piece Set Grilles & Returns Five flute design reduces vibrationMulti 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