Introducing the latest addition to the Kincrome PTA Impact range, PTA Countersink bits and accessories. 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. These 3.6mm spare pilot drill bits are suitable for use with the K21211 10-12G Kincrome Countersink bit.