Low Price Bosch SP512 12 Hex Shank Screw Pilot Bit

Bosch Hex Shank Screw Pilots drill precise, clean pilot holes in wood, plastic and composite materials. Used for fast countersinking and counterboring in one operation, these pilots drill countersink pilot holes for flush screws. The drill bits are replaceable. The screw pilots provide adjustable countersink depth with an Allen wrench. The hex shanks are designed for reduced slippage, and the shanks fit corded and cordless drills. Ideal for drill press use.