Made of high-speed steel, this M14 x 1.5mm tap and die set undergoes heat treatment and tempering processes for maximum strength and durability, offering corrosion-resistant performance ideal for demanding threading tasks. UNIVERSAL APPLICATION: Expertly designed to create new threads or repair damaged threads on a wide range of metals, including carbon steel, cast iron, aluminum, brass, copper, and stainless steel. This versatile kit is a practical solution for professionals and DIY enthusiasts working with various metal types. PRECISE & EFFICIENT: Precision-engineered for reliable fastener performance. Each cutting tooth is accurately CNC machined and heat treated to a hardness of 60 HRC, ensuring clean, accurate threading. These features contribute to a smoother, more efficient threading process, helping save time and effort. USER-FRIENDLY OPERATION: For optimal results, use a full turn forward and half turn back technique to reduce the risk of tap breakage. Apply appropriate lubricant during use to enhance performance and extend tool life. Note: Due to different production batches, product markings may vary slightly. This does not affect functionality or quality. Color: As shown Material: High-speed steel Package Contents: 1 x Tap and die set Note: Light reflection and differences in display screens may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.