General description This set includes 5 different sizes of straight flute taps: M3, M4, M5, M6, and M8, designed to meet various threading needs. Made from high-speed steel and titanium coated, these taps offer high hardness and rust resistance. Technical specifications Sizes included: M3, M4, M5, M6, M8 Material: High-speed steel with titanium coating Usage Ideal for cutting metal threads. Compatible with drilling machines, thread cutting machines, automatic machines, automatic centers, and milling machines. Designed for tapping through holes with fast and clean chip removal. Suitable for processing materials such as stainless steel, copper, alloy steel, aluminum alloy, and iron alloy.