China Hex Bolt Manufacturer, Supplier, Factory

Jiaxing Qunbang Hardware Co., Ltd. is a fastener manufacturer and supplier in China. We have many years of fastener export experience. ASME B18.2.1 Heavy hex bolt is a common fastener product, It has a wide range of applications. We have hexagonal head bolts in various sizes, Its thread size and thickness allow for better connection, It is usually used with a nut and a washer. We have good price and product inspection certificate, and we have free samples, Welcome to contact us.

DIN6916 Steel Structural Flat Washer is one of our common standard washers, the material of carbon steel, the surface has black oxide,zinc plated. DIN6916 Steel Structural Flat Washer is use with A394 high strength structural bolts. DIN6916 Steel Structural Flat Washer, mainly punched out from iron plates. The common shape of a flat washer is a hole in the central. The pore size specifications according to customer requirements. high quality and lower price. Our company has certificates ISO9001.

ASTM F436 Steel Structure Metal Flat Round Washer is stamped piece from, The shape is round with a hole in the middle. ASTM F436 Steel Structure Metal Flat Round Washer have a smooth bearing surface which is used under the head of a bolt, ASTM F436 Steel Structure Metal Flat Round Washer are used to reduce friction, The force is unoform, It is not easy to slip and lock in the process of rotation, and it is anti loose design, prevent leakage, isolate, prevent loosening, or distribute pressure.

DIN6923 No Tooth Hexagonal Flange Nuts provide a secure and tight fit, while also preventing the nut from loosening due to vibration. This is especially important in industries where machinery and other heavy equipment are used, as any loosening of fittings can cause dangerous and costly consequences. The flange of DIN6923 No Tooth Hexagonal Flange Nuts acts as a washer, providing additional support while preventing the nut from embedding itself into the surface of the material being fastened. This greatly reduces the risk of damage to the structure, as well as providing a more aesthetically pleasing finish.

​DIN21346 Square Bolt are similar to Hex Cap screws but have a 4-sided square head instead of a 6-sided hexagonal head.They are commonly referred to as both bolts and screws and are designed to be driven with a wrench. DIN21346 Square Bolt are partially threaded with a shoulder beneath the head.

DIN7991 Flat Head Socket Bolt is a hexagonal head that allows for easy tightening and loosening, and is made from high-quality steel for maximum durability. With its sturdy construction and robust design, DIN7991 Flat Head Socket Bolt can withstand high levels of stress and strain, making it an ideal choice for heavy-duty applications. Made from high-quality steel, DIN7991 Flat Head Socket Bolt is resistant to corrosion and rust, ensuring reliable performance even in harsh environments. DIN7991 Flat Head Socket Bolt With its high strength, ease of use, versatility, and corrosion resistance, it is no wonder that it is a popular choice for a wide range of applications.