What Common Materials for Making Durable Fasteners?

In engineering and construction, the choice of fastener material will affect performance, safety, and cost directly. Different materials have different properties—like strength, rust resistance, temperature tolerance, and how they meet industry standards. Below we list the most common fastener materials, and when it’s suitable to use each one. Quality fasteners are typically manufactured using carbon […]
Top 10 Castle Nut Manufacturers and Suppliers in China – Who’s Worth Your Trust?

Finding a reliable castle nut supplier in China isn’t easy, especially if you’re sourcing for large-scale industrial or automotive projects. I’m Monica from Shanghai Hengrui Industry Co., Ltd., and with over 15 years of experience in the fastener industry, I’ve worked with B2B clients worldwide to find the best sources. So today, I’ve compiled a […]
Top 10 Step Bolt Manufacturers in China

Looking for reliable step bolt suppliers in China? I get it—Google gives you hundreds of names, but which ones truly deliver? As someone with 15 years in the fastener industry (that’s me, Monica from Shanghai Hengrui Industry Co., Ltd), I’ve visited factories, run quality audits, and helped dozens of overseas buyers like Mark from Canada […]
What Do The Marks on A Bolt Head Mean? A Practical Guide for Engineers and Inspectors

Many engineers and procurement professionals make costly mistakes due to misreading bolt head markings. This article helps you quickly decode these marks, reducing procurement errors and quality issues. Bolt head markings are standardized symbols—combinations of letters, numbers, and radial lines—that indicate a bolt’s material grade, strength, manufacturing origin, and sometimes even its corrosion resistance. For […]
Top 10 Square Head Bolt Manufacturers in China You Should Know in 2025?

Finding a qualified manufacturer in China isn’t easy—even if you’ve been in this game for years. With over 15 years in the fastener industry, I’ve visited factories, dealt with tough custom specs, and negotiated countless contracts. I’ve also helped hundreds of buyers like you avoid poor-quality suppliers. So, I rolled up my sleeves and spent […]
Top 10 Rivet Manufacturers in China: Who Makes the Best Rivets?

In the fastener industry, rivets are an essential part of manufacturing processes across many sectors. As a professional in this field, I have seen many suppliers, but I want to focus on the ones in China—one of the world’s leading sources of high-quality rivets. I’ve spent over 15 years navigating this industry, meeting suppliers, and […]
7 Key Phases in the Production of Fastener Nuts You Need to Know

Introduction Fastener nuts are integral to a wide range of industries. These key components play a crucial role in mechanical assemblies by securely holding parts together. Whether you’re working with hex nuts, lock nuts, or castle nuts, understanding the manufacturing process of these fasteners will enable you to make informed and effective procurement decisions. In […]
Top 10 Threaded Rod Manufacturers in China

As businesses continue to expand globally, sourcing quality products at competitive prices becomes a top priority for procurement officers. For industries in need of reliable fasteners, such as construction, automotive, and energy sectors, China stands out as a leading producer of threaded rods. But how do you find a manufacturer that meets your specific requirements? […]
What Are Carriage Bolts? A Complete Guide to Types and Applications

What Is a Carriage Bolt? Carriage bolts, also known as coach bolts or plow bolts, are special fasteners used to securely hold materials together. They are easily recognizable by their smooth, rounded (domed) head and square neck directly beneath the head. This unique design allows the bolt to lock into place when inserted into pre-drilled […]
Top 10 Socket Head Screw Manufacturers in China

Are you looking for reliable socket head screw manufacturers in China? You’ve come to the right place. With over 15 years of experience in the fastener industry, I’ve worked closely with many manufacturers and conducted thorough research to bring you a curated list of the Top 10 Socket Head Screw Manufacturers in China. These companies […]
12-Point Bolts: What Are They and Why Are They Essential?

12-point bolts, also known as 12-point flange bolts, have a unique head design with twelve contact points, making them ideal for applications requiring high torque, precision, and secure fastening in tight spaces. This distinctive design allows them to be tightened or loosened using a 12-point socket wrench, providing advantages over standard hex bolts in various […]
Top 10 Eye Bolt Manufacturers in China

Looking for reliable eye bolt manufacturers in China but overwhelmed by the sea of suppliers? Don’t worry, I’ve been in the fastener industry for 15 years, and I personally spent 4 hours researching and reviewing these manufacturers. I’ve cross-checked their reputations, product categories, and export history — so you don’t have to. Here’s a list […]