Draper Expert Rosehead Countersink Bit

The 16mm Draper Expert Rosehead Countersink Bit is the larger option in the range, perfect for bigger screw holes and heavy-duty countersinking applications. This heavy-duty high-speed steel countersink features five flutes and a 90° head, engineered to create precise countersinks for flush-fitting screwheads across demanding materials. Designed for professional tradespeople working with metals, hardwood, softwood and plastics, this 16mm variant handles tougher jobs with ease. The bit is compatible with drills fitted with standard 10/13mm chucks, making it suitable for most professional and DIY power tools. The robust HSS construction ensures consistent performance and extended tool life, even when countersinking harder materials. Features and Benefits: • 16mm diameter for larger screw holes and heavy-duty work • Heavy-duty high-speed steel construction with five flutes • 90° head for flush-fitting screwheads • Compatible with drills with standard 10/13mm chuck • Suitable for metals, hardwood, softwood and plastics Specifications: Diameter: 17mm Length: 50mm Head angle: 90° Flutes: 5 Material: High speed steel Connection: 8mm Round shank Contents: 1 x HSS Countersink Bit, 17mm