Pack of 7, 5 countersink drill bits for drilling critical chamfers in wood, 3-10 mm

General Description: This 7-piece countersink drill bit set is designed for drilling critical chamfers in wood, with a single-edge 90° chamfer. Made from high-carbon steel, this product comes with a lifetime manufacturer's warranty and is ideal for any workshop. It is suitable for working with steel, aluminum, other metals, plastics, or wood, allowing you to enlarge or countersink holes while deburring the edges.

Technical Specifications Material: High-speed steel Drill Bit Dimensions: 3 mm (diameter) x 60 mm (length) 4 mm (diameter) x 75 mm (length) 5 mm (diameter) x 85 mm (length) 6 mm (diameter) x 93 mm (length) 7 mm (diameter) x 100 mm (length) 8 mm (diameter) x 110 mm (length) 10 mm (diameter) x 120 mm (length) Number of Pieces: 7 Compatibility and Accessories Compatible with wood drills Package Contents: 7 x Woodworking Countersinks 1 x L-shaped wrench Usage The countersinks allow for easy tightening and loosening of the screw to adjust the drill bit length, thus accommodating different screw lengths. When used, they allow for quick removal of the wood, and the countersunk hole is drilled smoothly, allowing the nut to sit flush with the workpiece surface.