Hexagon socket screws are also called cylinder head screws, also called hexagon socket bolts. Hexagon socket screws are divided into iron hexagon socket screws and stainless steel hexagon socket sc...
Fasteners are also called standard parts on the market, and are mechanical elements that can mechanically fix or bond two or more elements together. It is characterized by a wide variety of specifi...
That is teeth, also known as screw. It is the name of the Han nationality furniture parts in the Ming and Qing Dynasties. The corresponding standard is not found in the national standard, correspon...