22PCS Self Centering Drill Bit Set, Door Window Cabinet Hinge Hardware Drill Bits, 10 Tapper Core Hole Puncher with 10 Replacement Drill Bits & Hex Key & Center Punch - Newbounce, NE-190

• 22PCS CENTER DRILL BIT SET: 10 x Center Drill Bits: 5/64'*2, 7/64''*2, 9/64''*2, 11/64'', 13/64'', 5mm and 1/4". With 1 Hex key, 10 replacement drill bits, and 1 Center Hole Punch. They all are made of HSS. High hardness, durable and superior drilling performance. High Quality: High speed steel self centering drill bits with high hardness, which is rustproof, solid, durable and superior drilling performance which is guide for centering the pilot holes needed for the hinges. Precise Positioning: No displacement, sawdust will be automatically discharged from top of hole on both sides, drill bit will not be blocked. Excellent Design: Automatic positioning center enhance accuracy and efficiency. Double-sided hole design fast and automatic discharge sawdust from the hole on both sides, without drill blocked, which helps you save time in removing sawdust. Multipurpose: Center Drill bit perfect for hinges, handles, drawer slides, woodworking . Suitable for professionals and woodworking enthusiasts.Center Punch for precise positioning in a variety of materials, which can be used as an awl for belts or glass window breaker for car safety.