Top 10 Lock Washer Manufacturers in China
Looking for reliable lock washer manufacturers in China? If you’re sourcing for automotive, machinery, or construction projects, you know that a weak washer can compromise an entire assembly. That’s why we took the time to identify the Top 10 lock washer suppliers in China that combine manufacturing capacity with international certifications. As Monica from Shanghai […]
What Is Zinc-Nickel Coating Thickness and Salt Spray Test Requirement?
Zinc-nickel plating is widely used across industries where metal parts face extreme environments, including automotive, wind energy, oil & gas, and infrastructure. But what coating thickness is ideal? And how many salt spray hours define a reliable zinc-nickel finish? Zinc-nickel coatings are usually applied at 5–10µm thickness. For parts without passivation, 10µm zinc-nickel must withstand […]
Top 10 Timber Bolt Manufacturers in China – Who Should You Work With?
If you’re sourcing timber bolts from China, chances are you’re hunting for quality, reliability, and custom production support. I’ve been in this industry for over 15 years, I’ve helped buyers find not just suppliers—but long-term manufacturing partners. In this post, I’ll break down the top 10 timber bolt manufacturers in China. Whether you’re handling large […]
Zinc-Nickel vs. Zinc Plating: Which Coating Is Best for Industrial Fasteners?
Choosing the right coating for industrial fasteners is very important. It may affect the performance and service life of your products. In harsh working environments, rust and wear are serious issues. Below is a brief comparison of Zinc and Zinc-Nickel plating. Hope this can help you or your engineering team select the most suitable option […]
Top 10 Spring Washer Manufacturers in China
Spring washers may be small, but in industries like automotive, construction, and heavy machinery, they play a massive role in ensuring bolt tension and preventing loosening. So when you’re sourcing in bulk, you want a supplier that understands quality, standards, and export readiness. So here it is: a hand-picked list of Top 10 Spring Washer […]
What Is the Difference Between Cold Forging and Machining for Fasteners?
Choosing the right fastener process can be confusing. Cold forging? Machining? Both sound technical—and costly if you guess wrong. In this article, I’ll walk you through the key differences so you can make smarter, faster decisions on your next bolt order. Cold forging forms fasteners by shaping metal at room temperature under high pressure, increasing […]
Top 10 Shoulder Bolt Manufacturers in China
Struggling to source shoulder bolts that are both affordable and reliable? You’re not alone. Many buyers waste time chasing factories that can’t deliver. I’ve helped dozens of procurement leaders fix that. I’m Monica Song from Shanghai Hengrui Industry Co., Ltd, with 15+ years in the fastener industry. Let’s make your sourcing simpler. Below is my […]
8 Types of Bolt Surface Treatments You Must Know
Selecting the wrong bolt coating can lead to corrosion, early failure, and costly rework. Whether you’re a procurement professional, technical engineer, or OEM buyer, knowing these 8 essential surface treatments will help you choose the right bolt for harsh environments, compliance needs, and long-term performance. The 8 most common bolt surface treatments include: Plain, Zinc […]
Top 10 Square Nut Manufacturers in China 2025
If you’re sourcing square nuts for your next big project, you know how crucial it is to find a reliable supplier in China. I’m Monica Song, founder of Shanghai Hengrui Industry Co., Ltd, with over 15 years of experience in the fastener game. Whether you’re buying for automotive, construction, or machinery use, I’ve got you […]
Top 10 Hex Flange Bolt Manufacturers in China
Looking for a reliable hex flange bolt manufacturer in China? I get it. As someone who’s been in the fastener business for over 15 years (yes, that long!), I know it can be overwhelming to filter through endless suppliers. If you’re like Mark from Canada, you’re probably searching for that perfect mix of stable quality, […]
What Are Shoulder Bolts Used For in Industry?
Shoulder bolts are specialized fasteners with a precision shoulder that enables alignment, motion, and load-bearing. From automation to aerospace, these components ensure functionality and durability in critical assemblies. Shoulder bolts, also known as shoulder screws or stripper bolts, feature a head, an unthreaded cylindrical shoulder, and a threaded end. This shoulder enables rotating, sliding, or […]
Top 7 ASTM A394 for Transmission Tower Bolt Manufacturers in China
If you’re sourcing HDG tower bolts for high-voltage infrastructure or transmission lines, you need more than just a bolt — you need performance, compliance, and reliability. As Monica from Shanghai Hengrui, I’ve been in the fastener industry for over 15 years, helping clients like Mark (hi, if you’re reading this!) source top-grade transmission tower bolts, […]
