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. Engineered with multisize compatibility (2#-6#), the tool features heat resistant tip and antislip grooves for secure drilling operations in high temperature environment. Ideal for professional machinists, metal fabricators, and enthusiasts requiring reliability deburring solution for threaded hole in automotive part, furniture hardware, or industrial equipment maintenance. Perfect for workshop applications involving aluminum alloys, pipe, or hardwood surfaces where smooth chamfered edges and finishes are critical for assembly precise. Its optimized flute design minimizes friction induced sparks while ensuring consistent cutting performances, making it a safe alternative to conventional hand tool in confined workspaces. Specifications: Component: M35 and 45# steel Option Size:Approx.2mm/0.07inch, 2.5mm/0.09inch, 3mm/0.11inch, 4mm/0.15inch, 5mm/0.19inch, 6mm/0.23inch Compact design, easy to carry and store. Package Includes: 1pc Steel Chamfer (tap not included) 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.