Specification:
Drill Bit Size: 3mm, 4mm, 5mm, 6mm
Material: HSS (High-Speed Steel)
Package Content: 1 x Countersink Drill Bit Set

Description:
【Simple Use】In one step, you can drill, countersink and counter bore the pilot holes. Drill bits sizes: 3mm, 4mm, 5mm, 6mm.
【Unique Design】Three-Pointed design can quickly and accurately drill a smooth hole. Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.
【User-friendly Design】Use the hex key to remove five-bevel chamfer or adjust counter sleeve depth and drill depth for screws of various lengths.
【Extremely Versatile】The Countersink Drill Bit Set is includes 1 piece of hex key and 7 pieces of countersink drill bit in 7 different sizes to satisfy all you demand.
【Multipurpose】Perfect for Granite, tile, glass, ceramic, vitrified brick etc. Suitable for bench drill, hand drill and conventional electric drill.