Countersink Bits With Stopper

This 5-piece adjustable countersink drill bit set is an all-in-one woodworking tool designed to drill pilot holes and create precision countersinks in a single operation. It features a range of high-speed steel or carbide-tipped bits with a universal 1/4" hex shank for quick-change compatibility with most drills. The standout feature is the low-friction, adjustable white depth stop, which allows you to set a consistent drilling depth for flush or recessed screw heads while protecting your workpiece from surface marring or burning.