Discover a high-quality threading solution with our set of 3 manual chrome-silicon HSSG twist taps. Meticulously manufactured with chrome-silicon HSSG high-speed steel, these taps promise a long lifespan and unparalleled performance. The Countersink C design is specially designed for blind holes, ensuring effective chip extraction and improving the smoothness of each thread. Complying with DIN371C standards, these taps represent a seal of professional quality. The set provides precision with a tolerance of 6H, further enhancing your technical skill. Whether you are a professional or a DIY enthusiast, this twist hand wrench set is an essential addition to your toolbox.