As a common tool for processing internal threads, taps can be divided into spiral groove taps, edge inclination taps, straight groove taps and pipe thread taps according to their shapes. Divided into metric, American, and imperial taps. Taps are also the mains...

YUXIANG TOOLS has started to use a new technology for heat treatment since 2010. It is so called vacuum heat treatment. It mainly refers to a new type of heat treatment technology that combines vacuum technology and heat treatment technology. The vacuum enviro...