Irwin Multi-Material Jobber Length Bits 1/2" x 5" Brand_ARTU Hardwood Insert with Solid Steel

Hardwood Insert with Solid Steel Rivet

Shot Peened Finish

Enclosed acetal gears prevent debris i nterference

Patent Nos: 6

Irwin Multi-Material Jobber Length Bits 1/2" x 5" Brand_ARTU Hardwood Insert with Solid SteelIRWIN 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 centered starts with no walking, fast