The Sealey 5 Piece Countersinking Drill Bit Set is a versatile drilling solution designed for creating pilot holes and countersinks in a single operation. This time-saving set eliminates the need for multiple drilling stages, allowing tradespeople and DIY enthusiasts to achieve professional flush-fitted screw installations with greater efficiency. Manufactured from durable 4241 HSS steel, these countersink drill bits deliver reliable performance across a wide range of materials including wood, plastic, PVC, plywood and rubber. The 1/4" hex shank design ensures compatibility with any standard drill chuck, providing secure fitment and reducing the risk of bit slippage during operation. Each drill bit in the set is adjustable to accommodate different screw lengths, with a hex key supplied for quick depth adjustment. The set includes five commonly used sizes (Ø2, 2.5, 2.75, 3.25 and 3.5mm), making it ideal for joinery work, cabinet installation, furniture assembly and general construction applications where a neat, professional finish is required. Features and Benefits: • Combined pilot hole and countersink in one operation saves time • Adjustable depth settings for different screw lengths • 1/4" hex shank fits all standard drill chucks • 4241 HSS steel construction for enhanced durability • Five size options cover most common fastener requirements Specifications: Brand: Sealey Contents: Ø2, 2.5, 2.75, 3.25, 3.5mm Nett Weight: 0.155kg