Hexagonal bolt wholesale

Hebei Dongshao Fastener Manufacturing Co., Ltd. is a well-known supplier and manufacturer of Mshroom head square neck bolts in China. Its Mshroom head square neck bolts accessories are standardized and easy to install. Bayonet design to prevent loose; Excellent surface treatment, corrosion resistance, oxidation resistance, long service life, suitable for harsh environment; Strong fastening force, suitable for high requirements of mechanical engineering and other fields; Different parts of the design design of different diameters and lengths, so as to accurately match different use occasions and needs. 

Hex bolt, also known as hex head bolt, is one of the most commonly used fasteners in mechanical assembly, construction engineering and equipment fixing. It features a standard hexagonal head tightened by a wrench, and can be used with nuts, flat washers and spring washers to achieve firm connection. It is widely used in steel structures, bridges, automotive machinery, furniture, piping equipment and various industrial assembly scenarios. Common materials include carbon steel and stainless steel, with surface treatments such as electro-galvanizing, black oxide, hot-dip galvanizing, etc. It has the characteristics of high strength, strong universality and convenient installation.

Common Specification Examples：

Full thread hex bolt: DIN933 / ISO4017

Partial thread hex bolt: DIN931 / ISO4014

Carbon steel grade: Class 4.8, 8.8, 10.9

Stainless steel: A2-70 (304), A4-80 (316)