Description of Self-Centering Adjustable Tenghebao Woodworking Autocenter
Superior drilling performance:Center drill is made of high speed steel drill bit & quenching treatment shell designed. Superior drilling performance, high hardness and durability, reducing your working time by more than half. Satisfy all you demand: hinge drills come in 8 different sizes: 5/64', 7/64'', 9/64''*2, 11/64'', 13/64'', 5mm and 1/4". With 1 Hex key , 8 replacement drill bits,and 1 Center Hole Punch. High-quality materials: Center Drill use of high-quality HSS high-speed steel. Center Hole Punch use of High Hardness Brass , not only high damage resistance, not easily broken. The service life is four to five times that of a common center drill. Excellent design: Automatic positioning center enhance accuracy and efficiency. Double-sided hole design - fast & automatic discharge Sawdust from the hole on both sides.Automatic Center Punch is heavy and well machined , and has a deeply knurled surface which means that more easily handling and control, Each metal hardened and chrome plated tip can last for hundreds of strikes . 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.