- Tap and Drill Specifications: Tap thread size M5 x 0.8, drill diameter 4.2 mm (0.17 inches). Constructed from high-speed steel for exceptional hardness and toughness, ensuring wear resistance for long-lasting use. - Spiral Point Tap Design: Features a spiral pointed design that facilitates efficient downward chip removal. This right-hand thread tap is ideal for creating through threads in materials such as aluminum, stainless steel, bronze, and hard plastics. Enhanced with titanium coating for superior corrosion and wear resistance. - Twist Drill Performance: Engineered with a spiral chip space design for rapid and clean chip removal. The sharp cutting edge ensures smooth operation without interference. The high-speed steel construction boasts a hardness rating of HRC65-66, providing excellent red hardness and wear resistance. - Versatile Applications: Suitable for use with drills, tapping machines, CNC, and milling machines. For optimal results, apply tapping oil to achieve high-quality threads and prolong tap durability. It is advisable to use machine taps in conjunction with thread cutting pliers equipped with overload protection. Use this tool set for precision machining tasks, including automotive repairs, metal fabrication, or DIY projects, ensuring reliability and high performance in every application.