China Hexagon Head Manufacturer, Supplier, Factory

ASME Black Half Thread Hex Bolt Class 8.8 steel screws are suitable for fastening most machinery and equipment. To maintain corrosion resistance, use ASME Black Half Thread Hex Bolt with black ultra-corrosion-resistant-coated nuts and washers.

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 Black Hexagon Head Bolts 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.

ASTM A325M Hot DIP Galvanized Heavy Hex Bolts are commonly used in critical structural applications such as Bridges, buildings and other infrastructure. Ensuring their quality is critical to the safety and structural integrity of these works. The control and traceability of the A325M heavy duty hex bolt or any fastener is a key aspect of the construction and engineering industry. Safety and structural integrity are the correct applications that distinguish ASTM A325M Hot DIP Galvanized Heavy Hex Bolts. Batch control and traceability help maintain the highest safety standards. Batch control ensures that the bolts used in the project come from the same production batch. This helps maintain consistent quality and ensures that all bolts from a particular batch meet the same specifications and standards. In the rare cases where defects or problems are found in a particular batch of bolts, being able to trace back to the source of those bolts can facilitate an effective recall and replacement. This minimizes downtime and project delays.

High Strength Steel Black Oxide Torsional Shear Type Bolts GB3632 Bolt. Whether you need to secure equipment in high-pressure environments or support structures that carry heavy loads, these bolts are designed to withstand the most demanding applications. Made from premium-grade materials, the High Strength Steel Black Oxide Torsional Shear Type Bolts GB3632 Bolt is engineered with ultimate strength and precision in mind. Each bolt is designed to deliver maximum clamping force while maintaining its structural integrity under extreme conditions.

​ASME B182.2.1 Square Head 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. ​ASME B182.2.1 Square Head Bolt are partially threaded with a shoulder beneath the head.

DIN6923 Zinc Plating Hex Flange Nut 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 Zinc Plating Hex Flange Nut 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.