Smart-Bit Flat Head Countersink Drill Bit
With the SMART-BIT® pre-drilling and countersinking could be done in one step with one tool more quickly and more easily than ever before. The new SMART-BIT® is even smarter! The new SMART-BIT® has POWERBOLIC® drill bits with special fluting that cuts through decking more than twice as fast as standard wood bits. Plus the bits are replaceable!
For deck builders working with composites SMART-BIT® offers an additional benefit -- it eliminates mushrooming (the formation of small mounds of waste material near the screw hole surface).