Set of 14 Socket Bits for Impact Socket Hex Socket Bits Drivers, Adapter, 6-19mm, 6.35mm Adapter, Shank,

Material: Chrome vanadium steel, magnet included Set includes: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm [Uses] For pilot holes and chamfering in woodworking, drilling pilot holes for countersunk screws and countersunk holes. [Countersink application] This drill can simultaneously drill pilot holes for screws and chamfer the edges for embedding. Suitable for processing wood, light metals, resins, plastics, etc. [Features] Pilot hole drilling and countersunk hole drilling can be performed simultaneously, significantly shortening the work process.