6PCS HSS Drill Bit Set, Combination Drill and Tap Set with Anti-Rust Black Coating M3 M4 M5 M6 M8 M10 Metric Thread 1/4”hex Shank Screw Tapping Threading Tools Metal Drill Bits for Hard Steel

• Industry-grade HSS construction: These drill and tap bits are crafted from high-speed steel with titanium coating, offer superior hardness and rust resistance, ensuring long-lasting sharpness even when drilling through hardened steel, aluminum, and alloys
• Spiral flute design for efficient chip removal: This HSS drill bit set with the twisted spiral flutes prevent chip clogging during tapping, allowing smooth, effortless threading while maintaining consistent thread quality in deep or confined spaces
• Universal 1/4" hex shank compatibility: This tap and die set is designed to fit most hand drills, drill presses, and tapping machines, the standard 1/4" hex shank ensures secure gripping and reduced slippage during high-torque applications
• Complete threading solution: This 6-piece drill bit set covers the most common metric sizes (M3-M10), with precise pitch specifications for clean, accurate threads in both blind and through holes—ideal for mechanical repairs and fabrication projects
• Dual-purpose drill and tap function: Each hss drill bit drills and threads in one step, saving time and effort on metalworking, automotive, and DIY projects. The black oxide finish further enhances durability and corrosion resistance

Product Specifications Package Includes: 6 High-Speed Steel Drill & Tap Bits (M3, M4, M5, M6, M8, M10) Ideal For: Automotive and motorcycle repairs Metal fabrication and welding projects Machinery maintenance and upgrades DIY metalworking and prototyping