Zhejiang Zhongrui Auto Parts: Your Global Partner in Automotive Fastening Solutions Since 1986 Check out the latest company profile and product catalog： Core Offerings: High-strength standard & custom fasteners for critical applications in:   • Agricultural Vehicles   • Construction Equipment   ...

In the realm of structural integrity, every component counts. When it comes to heavy-duty applications demanding unwavering strength, the AS1252 metric high strength hex nut stands as a beacon of reliability. Why Choose AS1252 High Strength Hex Nuts? Unmatched Strength: Engineered from premium-gra...

In the world of fasteners, precision and reliability are paramount. When it comes to securing heavy-duty applications, the ANSI/ASME B18.5 round head square neck bolt stands as a testament to engineering excellence. At Zhejiang Zhongrui Auto Parts, we understand the critical role these bolts play in...

Carriage bolts, also known as round head square neck bolts, are specialized fasteners designed for specific applications where safety and a clean aesthetic are paramount. These bolts feature a distinct round head and a square neck beneath the head, ensuring a flush and smooth surface upon installati...

ANSI/ASME B18.16.4 hexagonal flange nuts are essential components designed to ensure secure fastening in various industrial applications. These nuts adhere to stringent ANSI/ASME standards, featuring a hexagonal shape and an integrated flange that enhances stability and load distribution. Crafted f...

In the realm of industrial fasteners, reliability and durability are paramount. Locking nuts, designed to prevent loosening under vibration and stress, play a critical role in ensuring the integrity of assemblies across various sectors. Among the advancements in fastener technology, Dacromet-coated ...

In the world of construction and engineering, choosing the right nuts and bolts is crucial for project success. This guide explores popular sizes in the UK, helping you streamline your selection process. Key Takeaways: Metric Dominance: The UK primarily uses the metric system (ISO), with common siz...

Hex bolts, also known as hexagon head bolts, are indispensable fasteners found across numerous industries. Their robust design and ease of use make them a staple in construction, manufacturing, and automotive sectors. Understanding their characteristics, standards, and applications is crucial for an...

Building something strong? It starts with the right connections.  Our extensive selection of high-quality bolts ensures your projects are secure and reliable, from the ground up.   Don't compromise on strength. Whether you need the enhanced support of Hex Head Flange Bolts, the robust grip of Lag Bo...

With over 38 years of experience, Zhejiang Zhongrui Auto Parts is your reliable source for high-quality fasteners. Our production facilities and skilled team ensure that every product meets excellent standards.   We specialize in: High-strength Bolts & Nuts, manufactured with precision using mul...

1. Currently, the standard parts on the market mainly include carbon steel, stainless steel, and copper. (1) Carbon steel. We distinguish low carbon steel, medium carbon steel high carbon steel, and alloy steel by the content of carbon in carbon steel material. 1. Low carbon steel C%≤0.25% is usua...

The automotive industry is constantly evolving, with innovations in design, materials, and engineering techniques pushing the boundaries of what's possible.  One such innovation that has gained significant traction in recent years is the use of hexagon head flange screw bolts.  These specialized fas...