Carbide wood router bit for installing spherical doorways, 5 pieces, 15/20/25/30/35mm

5pc (15mm, 20mm, 25mm, 30mm, 35mm each) Applicable tools: electric drills with chucks 10mm or larger, bench drills, high-power electric grinders, pneumatic drills, magnetic drills, pistol drills. Scope of application: This series of products can cut the delicate perforations you need on various wooden boards, wood products, plastics, plywood, and other materials. Suitable for installing industrial hinges, wood processing and maintenance, model making, installing ball-end door pins, drawer tips, etc. Performance advantages: 1. Made with advanced technology and high-quality materials, sturdy and durable. 2. The openings are clean, smooth, without broken edges, and will not produce any wobbling. 3. The cutting resistance is low, the hole opening speed is improved, and chip removal is easy. 4. It can be used for drilling various types of wood, wood products, plastic, plywood, and other materials. 5. Installation is simple and use is convenient. Simply attach it to a regular hand-held electric drill to use. 6. Low operating noise.