Center Drill Bit Set, 16 PCS Self-Centering Hinge Drill Bits, Hole Drilling Tool for Woodworking, Adjustable Door and Window Drill Bits

HIGH-QUALITY MATERIAL: High-speed steel drill bit with a brass body; high hardness, rust resistance, strength, durability, and superior drilling performance serve as a guide for centering pilot holes required for hinges. PRECISE POSITIONING: Pilot hole drill bits are positioned precisely and are not misaligned. The drill guide can be securely fixed to ensure accurate drilling. Sawdust automatically flows from the holes on both sides of the drill bit without jamming the drill. This increases the product's safety during use. EASY USE AND INSTALLATION: Different wood hardnesses require different centering drill bits; simply remove the screw and replace the drill bit with a new one. Perfect woodworking tool for woodworking, mounting hinges on wooden doors, cabinets, windows, etc. EXCEPTIONAL DESIGN: Sawdust will be automatically drained from both sides.