Utoolmart Countersink Drill Bit Set, Quick Change Drill Bit with One Hex Key, Adjustable Carpentry Reamer Plated for Wood DIY, 4 Pack 3, 4，5, 6mm

Utoolmart Countersink Drill Bit Set, Quick Change Drill Bit with One Hex KeyTechnical ParametersProduct Name: Woodworking taper drillScrew Size: 3mm / 0.12-inch, 4mm / 0.16-inch, 5mm / 0.2-inch, 6mm/0.24-inchMaterial: High Carbon SteelProduct Feature1. In one step, you can drill, countersink and counter bore the pilot holes for screw sizes 3mm / 0.12-inch, 4mm / 0.16-inch, 5mm / 0.2-inch, 6mm/0.24-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.Package Content1set x Countersink Drill Bit Set

• 【Simple Use】- In one step, you can drill, countersink and counter bore the pilot holes for screw sizes 3mm / 0.12-inch, 4mm / 0.16-inch, 5mm / 0.2-inch, 6mm/0.24-inch.
• 【Universal Shank】- Universal hex shank locking system prevents slipping. Ideal for dowel buttons.
• 【Unique Design】- 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.
• 【Extremely Versatile】- 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.
• 【Multipurpose】- Perfect for Granite, tile, glass, ceramic, vitrified brick etc. Suitable for bench drill, hand drill and conventional electric drill.