4Pcs Door Self-Centering Hinge Drill, Window Hole Opening Center Drill Bit Hole Puncher Woodworking Tools 5/64'' 7/64'' 9/64'' 11/64''

Specification: Material: Brass, HSS Type: Core Drill Bit Size: * 5/64": Hole diameter is about 1.98 mm,Use about 2.2 - 2.8 mm tapping screw * 7/64": Hole diameter is about 2.78 mm,Use about 3 - 3.5 mm tapping screw * 9/64": Hole diameter is about 3.6mm,Use about 4 - 4.5 mm tapping screw * 11/64": Hole diameter is about 4.36mm,Use about 5 - 5.5 mm tapping screwFeatures ※The bits are surrounded by spring loaded guides that have a widow to show the drill bit depth while making adjustments. ※Perfectly center the pilot hole for hinges, drawer guides, handles, etc ※7/64" is good for drilling holes in smaller hinges and hardware like decorative boxes ※9/64" is ideal for medium to full size hinges and hardware ※11/64 is perfect for door hinges, gate locks and all large hardware

• High speed steel drill with brass body, durable and excellent for use
• Adopt self-centering design, precise positioning during drilling, will not shift
• Easy to use and install, change bits fast which one-handed load and release
• Sawdust will be automatically discharged from the top of the drill holes on both sides, not stuck drill
• Ideal carpenter tool for woodworking, installing hinges on wood doors, cabinet, window and more