How many brands does Daiwa drill tail wire have?

Daiwa company only produces one brand of drill tail wire. Yamato is the abbreviation of Shenzhen Yamato Industrial Co., Ltd., which is located in Shenzhen Overseas Chinese Town, the bridgehead of China's reform and opening up. It is one of the earliest professional manufacturers of self-drilling and self-tapping screws in China.

Drill tail screw is a screw with a self-tapping bit at the front end of the screw. Screw is the same invention in people's production and life for thousands of years. According to the application field, it is the first invention of mankind. Self-drilling screw is a new invention of people in recent years, also called self-drilling screw. Screw is a general term for fasteners.