4pcs Professional Doors Self Centering Hinge Hardware Drill Bit Set

Description: 4pcs Professional Doors Self Centering Hinge Hardware Drill Bit Set Material: Brass, High-speed Steel Appearance: electroplating Type: Core Drill Bit specifications: 5/64'' 7/64'' 9/64'' 11/64'' Color: Silver Weight: 110G Quantity: 4pcs Scope: professional drilling tool,applicable to the installation of door hinge Specification: Drill Hole Diameter Suitable Self-tapping Screw Size 5/64'' 2mm 2.2-2.8mm 7/64'' 2.8mm 3-3.5mm 9/64'' 3.5mm 4-4.5mm 11/64'' 4.5mm 5-5.5mm Features: Please adjust the hardness of the wood under if the wood is soft, choose a smaller size if the wood is hard you can choose a larger size or corresponding opening tool. Precise positioning, will not shift sawdust will be automatically discharged from the top of the drill holes on both sides not stuck drill Unique design perfect punch effect helpful for professional and DIY persons Package included: 1x 5/64'' Tapper 1x 7/64'' Tapper 1x 9/64'' Tapper 1x 11/64'' Tapper