Bosch BL2147 5/16 in. x 4-1/2 in. Fractional Jobber Black Oxide Drill Bit

Product Description Through 80 years of developing innovative tools and accessories for the concrete professional, BOSCH has become the acknowledged leader in the industry. with a robust line that can address everything from the toughest concrete drilling tasks to material removal, BOSCH is a company whose legacy is written in concrete. If the project requires work in concrete, from polishing and anchoring to material removal, there's only one place to turn for a complete solution. Trust BOSCH to provide the professional-grade tools and accessories to get the job done right. Ideal for large-area material removal of lime, plaster, hard finish plaster, sandstone, and abrasive concrete.. The hard metal binding even resists loads caused by strongly abrasive materials.. Optimal use-asphalt, fresh concrete, pumice stone, screed concrete, aerated concrete, plaster, cast asphalt, soft limestone, and plaster mortar. May be used on-basalt, old concrete, stone concrete pipes, natural limestone, quartzite, and sandstone. From the Manufacturer Bosch black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling. Use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials.

• SPEED HELIX DESIGN FOR THREE TIMES FASTER DRILLING THAN STANDARD BITS
• LAST 50% LONGER THAN HIGH-SPEED STEEL
• EASIER DRILLING, REDUCED HEAT AND EXTENDED DRILL BIT LIFE
• AVAILABLE IN JOBBER LENGTH, STUBBY LENGTH, EXTENDED LENGTH (AIRCRAFT), 1/2 IN. REDUCED SHANK (SILVER AND DEMING)
• FOR USE IN STEEL, COPPER, ALUMINUM, BRASS, OAK, MAPLE, MDF, PINE, PVC, POLYCARBONATE, ACRYLIC, ABS, NYLON AND COMPOSITE MATERIALS