Features: This premium chamfering and deburring drill bit combines M35 steel with 45# steel construction, delivering exceptionals durability for precise edges finishing across woodworking and metalworking projects. Constructed from premium M35 and 45# steel, the tool delivers exceptionals hardness and heat resistance, while multiple sizes (3#,4#,5#,6#) accommodate diverse threading tasks in professional workshops or projects. Designed for metalworkers, and hobbyists prioritizing precise and safety, this tap chamfering tool minimizes risks of cut and sparks during edges refinement operations. Ideal for deburring pipe threads, smoothing furniture hardware, or preparing automotive components, this versatile accessory use in workshops, garages, and home renovation environments. Its wear resistant surfaces withstands prolonged high temperature use, maintaining sharply cutting performances for consistent results across woodworking, plumbing, and metal fabrication applications. Specifications: Component: M35 and 45# steel Option Size:Approx.3mm/0.11inch, 4mm/0.15inch, 5mm/0.19inch, 6mm/0.23inch Compact design, easy to carry and store. It is widely used in mechanical processing, mold manufacturing and other fields, and is ideal tool for professional technicians and enthusiasts. Package Includes: 1pc Steel Chamfer (with tap) 1pc Wrench note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.