Enhance your metalworking projects with this high-performance Machine Tap set, featuring cobalt-containing high-speed steel with 5% cobalt to deliver exceptional strength, wear resistance, and superior cutting performance. Designed for precision and durability, these taps efficiently process stainless steel and other challenging metals, making them an invaluable addition to your workshop. Key Features: · Premium Cobalt-Containing High-Speed Steel: The inclusion of 5% cobalt significantly improves wear resistance and cutting efficiency, extending the tool's life even under demanding conditions. · Wide Application Range: Ideal for threading stainless steel, steel plates, copper, SK601, MK80 alloy steel, die steel, iron alloys, and other hard-to-machine metals, offering excellent cost performance and practicality. · Spiral Flute Design: Chips are formed into a spiral shape and discharged upwards, which is especially effective for processing blind holes and viscous materials, preventing clogging and ensuring smooth cutting. · Durable and Long-Lasting: Manufactured from high-quality materials to resist wear and maintain cutting performance over time, providing reliable results through repeated use. · Compact and Portable: Small size and lightweight design make these taps easy to carry, store, and use in various job sites with convenience and efficiency. Specifications: · Material: Cobalt-Containing High-Speed Steel · Color: Gold and Silver · Sizes:  - M4: Cutter Head Diameter 4mm / 0.16in, Blade Length 18mm / 0.7in, Handle Diameter 3mm / 0.1in, Total Length 57mm / 2.2in  - M5: Cutter Head Diameter 5mm / 0.2in, Blade Length 20mm / 0.8in, Handle Diameter 5mm / 0.2in, Total Length 63mm / 2.5in  - M6: Cutter Head Diameter 6mm / 0.24in, Blade Length 22mm / 0.9in, Handle Diameter 5mm / 0.2in, Total Length 69mm / 2.7in  - M8: Cutter Head Diameter 8mm / 0.3in, Blade Length 24mm / 0.9in, Handle Diameter 5mm / 0.2in, Total Length 72mm / 2.8in  - M10: Cutter Head Diameter 10mm / 0.4in, Blade Length 37mm / 1.5in, Handle Diameter 6mm / 0.24in, Total Length 77mm / 3in · Applicable Materials: Stainless steel, steel plates, copper, SK601, MK80 alloy steel, die steel, iron alloys, and other metals Package Includes: · 1 x M4 Machine Tap · 1 x M5 Machine Tap · 1 x M6 Machine Tap · 1 x M8 Machine Tap · 1 x M10 Machine Tap This diverse Machine Tap set combines durability, precision, and versatility, perfect for professionals and hobbyists working with tough metals. Upgrade your threading tasks with this reliable cobalt-enhanced tap collection, designed to deliver clean, efficient, and long-lasting results across a variety of materials.