Set of 7 countersink bits for woodworking, 5-flute chamfering tool with hex key

Features:1.The set includes drill bits for pilot holes; screw sizes are 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, and 10 mm.
2.Specially designed steel guide holes.
3.Drill and countersink wood screws without changing bits.
4.Simply loosen and tighten the adjustment screws to adjust the drilling length for screws of different lengths.
5.5-flute design for faster chip removal during use.
6.Smooth and flat milled, and the nut is perfectly integrated into the workpiece surface.
Specifications:Item Type: Countersunk Drill Bit
Dimension:
3 mm x 60 mm (L) Chamfer Diameter: 15.8 mm
4 mm x 75 mm (L) Chamfer Diameter: 15.8 mm
5 mm x 85 mm (L) Chamfer Diameter: 15.8 mm
6 mm x 93 mm (L) Chamfer Diameter: 15.8 mm
7 mm x 100 mm (L) Chamfer Diameter: 15.8 mm
8 mm x 110 mm (L) Chamfer Diameter: 18.8 mm
10 mm x 120 mm Chamfer Diameter (L): 18.8 mm
Shank: 1/4" Hex Shank
Size Error: ± 2 mm

Package List:7 x Countersunk Drill Bits, 1 x Hex Key