5PCS Hex Shank Single Flute HSS Wood Countersink Drill Bit Set

Straight Type    ( Taper Type is Available)

1.In one step, you can drill, countersink and counter bore the perfect sized hole for #4, #6, #8, #10, or #12 screws.Countersinks will drill the pilot hole and countersink or counter-bore for screws in one step. Countersink to drive the head of the screw flush with or slightly below the surface
2.Ideal for plugs or dowel buttons. The 1/4" hex shank can be used with power drills and quick-change chucks.
3.Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; tapered drill bit can be replaced with a replacement bit of the same type and size FTG 2329 for extended life;Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth

4.Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills;
5.Nice appearance: The drill bits drills pilot holes nicely and accurately with precision time and time again getting a precise cone shaped hole on each burr, as a result you will get a nice smooth surface on any type of hard, soft wood or aluminum.