Tool Holder products from CHANGZHOU CITY WANSUI TOOLS WORKS.

This machine round thread die set is designed for creating external threads on steel, cast iron, and other soft metals. Manufactured using a ground process and high-speed steel (HSS), these dies are surface-treated with white, titanium nitride, or titanium aluminum nitride plating for enhanced durability and performance.

These DIN351/UNC hand taps are available in sets of three with varying diameters. Constructed from high-speed steel (HSS), they are suitable for machining steel, cast iron, and other soft metals.