Giới thiệu Bộ Mũi Khoan Xoắn Ốc M3 M4 M5 M6 M8 M10 M12
Features: 1.These taps are made from high quality bearing steel for high hardness. 2.There are total 7 pieces of taps in different sizes from M3 to M12 that you can use for tapping various threads. 3.They are used to cut new threads or repair damaged threads, you will have a smooth tapping experience with them. 4.These taps are used with a tap wrench to do the tapping, wrench is not included. 5.Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials.