Introducing the latest addition to the Kincrome PTA Impact range, PTA Countersink bits. Kincrome countersink bits pilot drill and countersink holes in one simple step. Designed for decking and wood-working applications, the tool features a depth adjustable free spinning stop collar to protect the work surface and ensure consistent countersink depth, anti-clog debris cavities and replaceable parabolic high-speed steel (HSS) pilot drill bits. Both sizes come with 2 spare drill bits and a hex key for easy changing of bits. The 10-12G Countersink bit is suitable for 10-12 gauge screws and 3.6mm spare pilot drill bits are available.