Smart-Bit #7 Drill+C'sink
This drill/countersink includes a free rotating stop collar to ensure the countersink is to the exact depth every time. The collar has a non marking soft face to prevent marks on the finished surface. They are ideal for decking and any area where consistent countersinking is required. They have a special high clearance drill which is replaceable and two drills are included in the pack. They also feature a 1/4" hexagon shank which will fit into any quick change socket including the INSTY-BIT Quick change chuck.