22Pcs Self Centering Drill Bit Set, 1/4" Hex Shank VIX Bit, 5/64-1/4” Quick Change Hinge Center Drill Bits Hex Key for Woodworking Metal Wood Cabinet Window Door

Feature 1. Suitable for most general purpose drills 2. Efficient and accurate positioning 3. 2 holes design can exhaust sawdust faster 4. 10pcs high quality replacement Twist drill bits: when your drill bit is damaged, only need to replace the drill bit that can continue to be used. Disassembly step 1. Prepare the center drill bit and hex wrench 2. Rotating hex wrench 3. Hold the top of the drill and gently rotate to unscrew the outer casing. 4. If you need to change the drill bit, just remove the broken drill bit and install the replacement drill bit. TIPS: * 5/64" bit can drill a hole(hole diameter is 2mm) for screws whose diameter is 2.2-2.8mm; * 7/64" bit can drill a hole(hole diameter is 2.8mm) for screws whose diameter is 3-3.5mm; * 9/64" bit can drill a hole(hole diameter is 3.5mm) for screws whose diameter is 4-4.5mm; * 11/64" bit can drill a hole(hole diameter is 4.5mm) for screws whose diameter is 5-5.5mm; * 5mm bit can drill a hole(hole diameter is 5mm) for screws whose diameter is 5.5-6mm; * 13/64" bit can drill a hole(hole diameter is 5.2mm) for screws whose diameter is 6-6.5mm; * 1/4" bit can drill a hole(hole diameter is 6.35mm) for screws whose diameter is 7-7.5mm; Package Included 10 * Self Centering Hinge Drill Bit Set(2*5/64', 2*7/64'', 2*9/64'', 11/64'', 13/64'', 5mm and 1/4") 10 *twist drill bit (2*5/64', 2*7/64'', 2*9/64'', 11/64'', 13/64'', 5mm and 1/4") 1 * hex wrench 1 * center punch

• HIGH-SPEED STEEL:made of high-speed steel ,quenching treatment shell designed,Superior drilling performance, high hardness and durability, reducing your working time by more than half.
• 7 DIFFERENT SIZE VIX BITS: The vix bit are 5/64", 7/64", 9/64", 11/64", 5MM, 13/64", 1/4"
• EASY TO INSTALL: The Clic-Change system offers fast, one-handed load and release of bits so that you can replace without re-chucking for less downtime and more productivity.
• WIDELY APPLICATION:Universal 1/4" Hex Shank Design for a Wide Range of Applications,Self-Centering Hinge Drill Bits are ideal for cabinet and door hinge installation, and other precision woodworking applications, using for drilling pilot holes, installing hinges, strike plates and other Hardware
• HOW TO USE: Make sure to tighten the centering drill bit before use. When open the hole, for loose and soft wood, choose the smaller one, for hard wood, choose the corresponding or larger one