Set of 9 hinge drill bits, self-centering HSS drill bits for wooden doors, cabinets, windows and hinge fittings for woodworking

Features: 1: Made of HSS, drill- and tap-treated housing, high hardness, robust, and with excellent drilling performance. 2: The drilling template automatically centers the hole and is suitable for mounting door hinges, increasing efficiency when drilling hinge holes. 3: Sawdust is automatically ejected from both sides of the drill holes to prevent clogging. 4: Drilling and tapping with high work efficiency. High hardness, rust-resistant, stable, and durable. Precise positioning, no slipping. 5: The drill bits are surrounded by spring-loaded guide lines with a viewing window to indicate the drilling depth during installation. 6: Perfect carpentry tool for woodworking, e.g. For example, for mounting hinges on wooden doors, cabinets, windows, etc. A solid set with all common sizes: Hole diameter: 5/64" – 2.8 mm threaded screw. 7/64" – Hole diameter approx. 2.8 mm, for 3 to 3.5 mm threaded screws. 9/64" – Hole diameter approx. 3.5 mm, for threaded screws with a diameter of 4 to 4.5 mm. 11/64" – Hole diameter approx. 4.5 mm, for threaded screws with a diameter of 5 to 5.5 mm. 5 mm – Hole diameter approx. 5 mm, for threaded screws with a diameter of 5.5 to 6 mm. 13/64" – Hole diameter approx. 5.2 mm, for threaded screws with a diameter of 5.6 to 6.1 mm. 1/4" – Hole diameter approx. 6.35 mm, for threaded screws with a diameter of 6.8 to 7.5 mm. Specifications: Product name: Hinge drill bit set; Color: Silver; Material: High-speed steel