ITEM NAME:1X(Drill Bit Set For Wood Quick Change Bit And Automatic Spring Loaded CentF8I1) 1X(Drill Bit Set For Wood Quick Change Bit And Automatic Spring Loaded CentF8I1) 1X(7pcs Hinge Hole Drill Bit applicable for the installation of the door hinge.Used for carpenters, cabinet, furniture makers and other woodworking trades. Design: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked. Never miss the center of the hole again, references from the hinge bevels! Auto center punch 5 inch: determine drilling position will mark, scribe, punch and start drill, nail or screw holes. Car escaping tool can be used for vehicle emergencies as a side window glass breaking tool 5 flute countersink wood drill great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings. perfect for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Aluminum Board ,etc. hss countersink: 6 Different Diameter Sizes: 6mm(1/4 inch), 8mm(5/16 inch), 9mm(3/8 inch), 12mm(1/2 inch), 16mm(5/8 inch), 19mm(3/4 inch). Length:48mm/1.88 inch Note:This product is suitable for the wood and plastic plates and other hardness of the plate chamfer openwork, do not use this product on the metal chamfering and other processing! Door hinge centering bit: all shank size: 1/4 inch Type and Dimension: 5/64 inch: Hole diameter is about 2mm, use about 2.2-2.8mm tapping screw. 7/64 inch: Hole diameter is about 2.8mm, use about 3-3.5mm tapping screw. 9/64 inch: Hole diameter is about 3.5mm, use about 4-4.5mm tapping screw. 11/64 inch: Hole diameter is about 4.5mm, use about 5-5.5mm tapping screw. 5mm: Hole diameter is about 5mm, use about 5.5-6mm tapping screw 13/64 inch: Hole diameter is about 5.2mm, use about 6-6.5mm tapping screw. 1/4 inch: Hole diameter is about 6.35mm, use about 7-7.5mm tapping screw. Note: Please adjust according to the hardness of the wood, if the wood is soft, choose a smaller size; if the wood is hard, you can choose
