Enhance your woodworking projects with this high-precision Aluminum Alloy Hinge Drill Bit set, designed for effortless and accurate hinge installation. Crafted from durable aluminum alloy, these hinge drill bits offer excellent strength and long-lasting performance, making them an essential tool for door and window hinge applications. The innovative design features dual side holes that automatically discharge wood chips during drilling, preventing bit jamming and ensuring a smooth, clean cut every time. Key Features: · High Positioning Accuracy: Ensures precise drilling without movement, delivering professional results for hinge installation. · Automatic Chip Ejection: Dual side holes on the drill bit allow wood chips to be expelled efficiently, preventing clogging and maintaining smooth operation. · Durable Aluminum Alloy Construction: Provides robust strength and wear resistance for extended tool life and reliable performance. · Easy to Use and Install: Simple structure and user-friendly design make these hinge drill bits easy to operate and install, suitable for both professionals and DIY enthusiasts. · Comprehensive Size Range: Includes multiple drill bit sizes (5/64in, 7/64in, 9/64in, 11/64in, 13/64in, 1/4in) to accommodate various hinge and screw sizes, ensuring compatibility with different woodworking needs. · Hex Handle Design: Equipped with a hex handle for secure grip and efficient drilling, enhancing control and precision. · Versatile Application: Ideal for woodworking projects involving door and window hinges, providing a perfect punching effect on different wood hardness levels. Specifications: · Material: Aluminum Alloy · Item Type: Hinge Drill Bit · Sizes and Corresponding Hole Diameters:  - 5/64in: Hole Diameter approx. 2mm (0.1in), fits self-tapping screws 2–2.8mm  - 7/64in: Hole Diameter approx. 2.8mm (0.1in), fits self-tapping screws 3–3.5mm  - 9/64in: Hole Diameter approx. 3.5mm (0.1in), fits self-tapping screws 4–4.5mm  - 11/64in: Hole Diameter approx. 4.5mm (0.2in), fits self-tapping screws 5–5.5mm  - 13/64in: Hole Diameter approx. 5.1mm (0.2in), fits self-tapping screws 5.6–6.1mm  - 1/4in: Hole Diameter approx. 6.3mm (0.2in), fits self-tapping screws 6.8–7.3mm Usage Tips: Adjust the drill bit size according to the hardness of the wood—select smaller sizes for soft wood and larger sizes for harder wood to achieve optimal drilling performance and clean hinge installation. Package Includes: · Multiple Hinge Drill Bits in specified sizes This aluminum alloy hinge drill bit set combines precision, durability, and ease of use to deliver outstanding results for all your woodworking hinge drilling needs. Experience efficient chip removal and smooth drilling for professional-grade hinge fitting every time.