8 Self Centering Hinge Drill Bit,Includes Allen Wrench,Woodworking Tools

• Complete self centering drill bit set with 8 pieces: includes 7 hinge drill bit sizes (5/64", 7/64", 9/64", 11/64", 13/64", 5mm, 1/4") plus 1 allen wrench, covering all standard pilot hole dimensions for self-tapping screws to suit a wide range of installation tasks.
• Durable construction with premium materials: every self centering drill bit features a high-speed steel core and electroplated brass shell, providing high hardness, rust resistance and reliable drilling performance to boost efficiency across woodworking projects.
• Accurate hinge drill bit self centring function: automatic centre positioning ensures precise drilling without wandering. Double-sided chip discharge holes expel sawdust rapidly during operation, preventing clogging for smooth, uninterrupted drilling.
• Simple setup and straightforward operation: the 1/4" hex shank fits most standard electric drills, enabling quick one-handed installation and removal. For best results, use at 2000–3000 RPM to avoid bit deviation, breakage or clogging from excessive speed.
• Versatile for multiple applications: ideal for drilling clean pilot holes for cabinet hinges, window hinges, door handles, drawer slides, wooden furniture and general woodworking. Match bit size to wood hardness for optimal performance.

High-quality drill bit kit: 1/4": The diameter of the pilot hole is approximately 6.35mm, perfect for 7-7.5mm self-tapping screws. 13/64": The diameter of the pilot hole is approximately 5.2mm, perfect for 6-6.5mm self-tapping screws. 5MM: The diameter of the pilot hole is 5mm, perfect for 5.5-6mm self-tapping screws. 5/64": The diameter of the pilot hole is 2mm, perfect for 2.2-2.8mm self-tapping screws. 11/64": The diameter of the pilot hole is approximately 4.5mm, perfect for 5-5.5mm self-tapping screws. 9/64": The diameter of the pilot hole is approximately 3.5mm , perfect for 4-4.5mm self-tapping screws. 7/64": The diameter of the pilot hole is 2.8mm, perfect for 3-3.5mm self-tapping screws. Product Features： 1. Self-centering design delivers precise, wander-free drilling without pre-marking. 2. 8-piece set with 7 common sizes and 1 allen wrench, suitable for diverse woodworking needs. 3. High-speed steel core with electroplated brass shell, rust-resistant and long-lasting. Product Specifications： style：Professional & practical Material：High-speed steel drill core, brass shell with electroplated finish size：13 * 13 * 1.5 cm model：8-Piece Self Centering Hinge Drill Bit Set Package List: 8 × self centering hinge drill bits (7 drill bits + 1 allen wrench) Maintenance Manual/Friendly Reminder 1. Due to different measurement methods and display settings, slight deviations in size and colour may occur. Please refer to the actual product received. 2. Always use a drilling speed between 2000 RPM and 3000 RPM to prevent bit damage and ensure clean drilling results. 3. Choose the appropriate bit size according to wood hardness: use a matching or slightly larger bit for hard wood, and a smaller size for soft wood.