Description
The 3/16″ Adjustable Countersink Drill Bit is the go-to solution for #10 screws in wood and PVC plastic. Designed for efficiency and accuracy, this bit combines drilling, countersinking, and counterboring into one smooth step-delivering clean holes and professional, flush finishes. With its adjustable set-screw design and durable 4-edge cutting action, it ensures fast, precise results for fine woodworking, cabinetry, and trim projects.





