Rodman's Blue Bullet Multipurpose Drill Bit incorporates our patented European alloy consisting of cobalt, tungsten, carbide and boron, and is like none other. The Rodman Blue Bullet will make holes in the hardest steel, chrome vanadium, Grade 8 bolts, broken taps & easy outs, stainless and spring steel — even Inconel & AR500*, and also perform well in brick, block, granite, tile and most other masonry products. At last, one bit will do all jobs! Must be run minimum 2000rpm in hard steel.

Rodman's Multipurpose Drill Bits Function Well In These materials:

Ceramic Tile Granite Concrete Cast Iron Marble

Glass Hardened Steel Wood Laminates Plexiglas