Utoolmart Countersink Drill Bit Set, Quick Change Drill Bit with One Hex Key, Adjustable Carpentry Reamer Plated for Wood DIY, 4 Pack 6, 10, 13, 16mm

Description Utoolmart Countersink Drill Bit Set, Quick Change Drill Bit with One Hex KeyTechnical ParametersProduct Name: Woodworking taper drillScrew Size: 6mm/0.24-inch, 10mm / 0.39-inch, 13mm / 0.51-inch, 16mm / 0.63-inchMaterial: HSS-4241 (High-Speed Steel) Product Feature1.

In one step, you can drill, countersink and counter bore the pilot holes for screw sizes 6mm/0.24-inch, 10mm / 0.39-inch, 13mm / 0.51-inch, 16mm / 0.63-inch.2.

Universal 1/4-inch hex shank locking system prevents slipping.

Ideal for dowel buttons.

1/4-inch hex shank can be used with power drills and quick-change chucks.3.

Three-Pointed design can quickly and accurately drill a smooth hole.

Three-edged chamfer design will fast discharge chips from the hole on both sides automatically.4.

The Countersink Drill Bit Set is includes 1 piece of hex key and 4 pieces of countersink drill bit in 4 different sizes to satisfy all you demand.5.

Perfect for Granite, tile, glass, ceramic, vitrified brick etc.

Suitable for bench drill, hand drill and conventional electric drill.