- Material: 4341HSS high-speed steel provides durability for long-term use. - Nitriding treatment: Tap surfaces are nitrided to increase hardness and wear resistance. - Spiral groove design: Spiral grooves promote efficient chip evacuation and smooth tapping. - Wide range of sizes: Includes taps in the following sizes for versatile applications: M3 x 5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75. - Practical benefits: High-strength material and surface treatment extend service life; optimized geometry improves cutting action and reduces thread damage. - Use scenarios: - Drilling and threading aluminum or steel workpieces for brackets, enclosures, or mechanical housings. - Repairing damaged or stripped internal threads in automotive, machinery, or equipment components. - Creating or refreshing threaded holes in DIY metal projects such as frames and fixtures. - What makes it stand out: Combines a tough 4341HSS core with a nitrided hardness layer and spiral thread design, delivering reliable performance across a range of metric sizes.