Specifications: M3×0.5, M4×0.7, M5×0.8, M6×1.0, M8×1.25, M10×1.5, M12×1.75 that you can use for tapping various threads.
? Material: high speed steel 4241/ bearing steel, suitable for soft metal, such as aluminum plate, iron plate. High speed steel 6542, suitable for ordinary stainless steel and other hard materials.
? Standard thread distance design, clear and tidy, no burr.
? One set including 8 tools?M3 M4 M5 M6 M8 M10 M12 with Adjustable Tap Wrench 1/16-1/2''.
? These machine hand taps are used for machining nuts or other common thread on the machine.