🔧 Drill with Confidence: Elevate Your Craftsmanship! Includes four sizes for all your hinge installation needs. Innovative design ensures clean holes without bit jams. Crafted from high-speed steel and brass for long-lasting performance. Experience flawless drilling with self-centering technology. Quick-change design minimizes downtime and maximizes productivity. High-speed steel 1/4" shank Self-centering design This 4-piece HSS Door Window Cabinet Self Centering Hinge Drill Bits Set is designed for precision and efficiency in woodworking. With sizes ranging from 5/64" to 11/64" and a 1/4" shank, these high-speed steel bits feature a self-centering design for accurate drilling. The innovative brass body allows for automatic sawdust removal, ensuring a clean work area and hassle-free operation. Perfect for professionals and DIY enthusiasts alike, this set is essential for installing hinges on doors, cabinets, and windows.