Montana Brand Quick-Change Countersinks Set

Montana Brand tools are manufactured in the USA.  Pre-drill and countersink to drive screws flush with the material surface or deep hole counterboring for driving screw heads below the surface. Ultra-sharp cutting flute clears chips efficiently and leaves a clean, smooth hole. Adjustable drill bit length for desired screw depth, and features a flattened shank for a no-slip countersink connection.  Precision made for drilling accuracy and high-torque driving applications. Get jobs done easier, faster and with professional results. Set includes: #6, # 8, #10 and #12