4pcs Self Centering Hinge Drill Bits Set 1/4inch Hex screw sizes 5/64 inch 7/64 inch 9/64 inch 11/64 inch for Door Cabinet + 1pcs Automatic Center Punch

drilling:Accurately drill pilot holes in hinges handles drawer slides and other hardware to the screws are straight and flush for proper hardware installation. Sharp: 135 degree oblique edge the head of a bit make the drill more rapid drilled into the position of hinge holes Wood chips are automatically discharged:Sawdust will be automatically drained from both sides of the holes without drill blocked you t have to remove wood chips effectively increasing your work Combinate with punch: Automatic center punch is more convenient as they t require a hammer drill bits from wandering on plain surfaces great for repetitive punching or riveting adjustable for light or heavy strokes perfect for DIY users tool kit. These Self Centering Bits are great for drilling perfectly centered holes in hinges hardware or any time you need accurately placed holes. The beveled edge tips keeps them centered even if the is slightly smaller than standard home door hardware. They have drill bit depth adjustments and recessed hex shafts for quick connectors. Pattern Name:4pcs Self Centering Drill+punch Description: 1. Material:HSS 2. Color: Sliver 3. They come with HSS drill bits are replaceable with jobber bits if ever needed. 4. They come in the hinge screw sizes 5/64 7/64 9/64 11/64 inch 5. loaded outer guide keeps the high-speed drill centered 6. Fit for drilling pilot holes in cabinet and door hinges and door butts 7. Self centering for consistently accurate pilot holes Size: 5/64 inch: diameter is about 2 mm about 2.2 - 2.8 mm tapping screw 7/64 inch: diameter is about 2.8 mm about 3 - 3.5 mm tapping screw 9/64 inch: diameter is about 3.5mm about 4 - 4.5 mm tapping screw 11/64inch: diameter is about 4.5mm about 5 - 5.5 mm tapping screw Note: Please appropriate adjustments according to the hardness of wood when opening if wooden you can choose a smaller size if hard wood oose corresponding or a bigger size. Package include: 4 pcs HSS Self Centering Hinge Drill Bits Set Door Cabinet 1 pcs Gold Center Punch Only the above package content other products are not included. Note: Light and different displays may the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.