Cap screw anti-rust method: 1, rust removal: The rust removal process of the cap screw treatment is not like the pre-painting treatment method, which uses pickling and rust removal. This is because most of the workpieces processed by the cap screw are high-strength bolt nuts and high-strength stampi... read more
In order to improve the hardness index of the square bolt during use, the thickness of the square bolt needs to be plated before use. How do we check the quality of the square bolt after the thickness of the coating is completed? Next, Haiyan Yihui Hardware Technology Co., Ltd. will introduce four d... read more
Do you know how to choose the angle bolts so that we can have no worries in the later stage? We can't underestimate the small bolts, but his role is very important. Bolt Factory - Haiyan Yihui Hardware Technology Co., Ltd., produces precision and durable bolts, complete series, welcome to choose. ... read more
The strength of steel-structured square bolt is much higher than that of ordinary bolts. Because it is used in different places, it is required that the steel structure square bolts have a higher level of rigidity, which requires special treatment. The steel structural square bolts is a hig... read more
The cap screw are made of metal, and the metal anti-corrosion methods are mainly in four aspects, namely the nature of the material itself, the environment in which the bolts are used, the interface between the material and the environment, and the design of the improve metal structure. If the alloy... read more
HAIYAN YIHUI HARDWARE TECHNOLOGY CO.,LTD. (Haiyan Junyuan Standard Parts Co., Ltd.) is a professional manufacturer of hexagon bolts, carriage bolts, hexagonal flange bolts and square head bolts. It was established in 2005 and belongs to Zhejiang Fasteners...
