【High Quality】The tap is made of high quality high-speed steel materials, which brings high hardness, strong and durable, has good performance and long service life 【Easy to Use】The threading taps is convenient to use, iron and other difficult-to-machine metal materials are malleable with this tap 【Efficient】This high quality HSS thread tap can cut very well, and come with fast cutting speed, can improve work efficiency, save time and energy 【Characteristic】The 1/4‑18 tap is compact design, easy to carry and store, provides high working efficiency, which saving both time and effort 【Application】The thread tap has a wide range use, suitable for stainless steel, iron, cast iron, alloy steel, carbon steel, abrasive steel materials