China Nut Factory

Qiangbo is a leading China Nut manufacturer, supplier and exporter.Our factory Jiaxing Qiangbo Hardware Technology Co., Ltd. is established in 1986 and located in the home town of fasteners Haiyan county. Nut is a widely used fasteners. According to different materials, it is divided into several types nuts, such as carbon steel, stainless steel, non-ferrous metals (such as copper). With strong technical support, advanced equipment, high quality management and good service, we supply nuts with international standard and competitive price.

Nut is one of the fasteners that are fasten together with bolts or screws. There are 2 categories Hex Nut, Flange Nut，through the inner thread, nuts and bolts of the same specification can be connected together. For example, M4-P0.7 nuts can only be connected with M4-P0.7 series bolts. In addition to the commonly used hex nuts and flange nuts, we can also supply nylon lock nuts, square nut, K nut and long nut.The grades of nuts are 4, 5, 6, 8, 10, etc. Among them, the nuts of grade 8 and above are made of medium carbon steel or alloy steel and heat treated, which are generally called high-strength nuts. The nut performance grade label, which represent the nominal tensile strength value. Stainless steel nuts are divided into A2-70, A4-80 according to the class performance grade of stainless steel. 70means the tensile strength can reach 700Mpa.

Nuts are widely used in daily life and industrial production and manufacturing. Nuts are used in electronic products, mechanical products, electrical equipment, ships, vehicles, and even chemical experiments.