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

• Carbide tip has a unique diamond-ground, four-facet design with sharper cutting edges for centered starts with no walking, fast drilling, and excellent hole quality in a variety of materials
• Double-milled flute ensures fast, efficient removal of drilling dust and debris to increase speed and prevent clogging
• Compatible with all standard 1/2" and 3/8" chuck drills