Coffret de forets et tarauds, forets et tarauds en acier rapide, or

【High-Speed Steel and Titanium Coating】These taps are made of high-speed steel, precision ground, and nitrided, providing high hardness and rust resistance, meeting the high requirements of process reliability and tool life. 【Three-in-One Function】It helps you complete drilling, tapping, and chamfering tasks on a single drilling machine, greatly saving processing steps and time costs, and improving work efficiency. 【Helical Taper Design】The self-tapping screws feature a helical flute design. The helical tapered design prevents thread damage caused by over-drilling and improves chip removal. Self-centering point, eliminating the need for auxiliary center drilling or center punching. 【Package Includes】6 titanium alloy taps (M3, M4, M5, M6, M8, M10) for tapping various threads. Note: The drill bit should be cooled with water each time you drill. If the drill bit cannot be cooled during drilling, the drilling speed should not be too fast or too frequent. 【Wide Applications】Suitable for drilling, tapping, deburring, and milling wood, thin aluminum, copper, and other soft metals (5-6 mm). Not suitable for hard materials.