Irwin 1792771 1/2 Inch By 4 Inch Multi-Material Drill Bit

1/2 inch by 4 inch. Irwin Multi-Material drill bits drill through just about any type of material out there - brick block tile metal wood plastic and marble - they ll 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 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 inch and 3/8 inch chuck drills.IRWIN Multi-material drill bits drill through just about any type of material like brick block tile metal wood plastic and marble they ll 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. For use in cordless and corded drills. For use to drill into brick tile block wood metal plastic and marble.