3PCS Self-Centering Hinge Tapper Core Drill Bit Set for Woodworking,Center Hinge Drill Bit Mill Tool for Opening Hole,1/4" Hex Shank, HSS Drill Bits, Hinge & Lock Applications - zhong lian de tools, guide drill bit set

• Complete hinge drill bit set: Includes 1x No6 (3/32 inch), 1x No8 (7/64 inch), and 1x No10 (9/64 inch) High Speed Steel (HSS) drill bits to meet your different needs. Shank:1/4" Standard hex shank,fits all power bit quick change chucks. The 3pcs self-centering drill bit made of high-speed steel drill bit & quenching treatment shell designed. Adjustable drill depth, high hardness, rustproof, durable and superior drilling performance. Adjustable design allows you to replace drill easily. The automatic positioning center improves positioning accuracy and efficiency.Double-sided hole design, wood chips will be automatically discharged from the holes on both sides of the top of the bit, which will not block the bit, features a sprung-loaded mechanism that ensures drill bit retracts safely,easily dismantled for cleaning and drill bit replacement, maintaining optimal performance and extending the life of the set. Counter drill bit is a standard bit,two heavy-duty bits create pilot holes in cabinet and door hinges,work in most quick disconnect adapters,Different hardness wood, need different centering drill, you just need take the screw apart and replace the drill.Widely used for carpenters, cabinet, furniture making and other woodworking projects. Zhong lian de tools is committed to providing consumers with 100% satisfaction. Our goal is always to create perfect products for consumers,Please contact to us on your order page if having any issues with our complete hinge drill bit set. In order to give you a better shopping experience, we are more than willing to help you solve all questions about the product.