CYLBAQ 5-Flute 90deg Countersink Drill Set 12-19mm + Deburring

Upgrade your workshop with the CYLBAQ 5-Flute 90deg Countersink Drill Set. Made from high-speed steel that has been heat-treated with high-frequency quenching, each bit stays sharp longer even when working with metal or wood. The five-flute geometry and precise 90-degree angle give excellent chip evacuation, creating clean, accurately sized countersinks without the need for extra finishing. A hex-shank quick-release design fits standard 1/4-inch chucks, so you can swap bits quickly on drills, impact drivers or other power tools, keeping you productive on every project. The set includes three countersink sizes - 12mm, 16mm and 19mm - plus two dedicated deburring/chamfer tools, covering a wide range of bolt-hole and burr-removal applications. Clear size markings on each bit let you choose the right tool at a glance, reducing downtime and mistakes. Whether you are building furniture, installing hardware, or repairing damaged bolts, this versatile kit delivers precise, professional results every time. The robust construction and reliable performance make this set a cost-effective addition for both DIY enthusiasts and professional tradespeople. With its compact case and easy-to-read markings, storage and organization are simple, keeping your tools ready for the next job.