What are the Most Commonly Used Washer Grades and Materials?
Washers are essential components in mechanical systems, ensuring the proper distribution of loads and preventing damage to surfaces. Selecting the right material and grade for your washers is critical for the longevity and performance of your machinery. In this article, we will dive into three commonly used washer grades — USS, SAE, and F436 — […]
Top 10 Machine Screw Manufacturers in China
If you’re sourcing machine screws from China, this list is made just for you. I’m Monica Song from Shanghai Hengrui Industry Co., Ltd, and after over a decade in the fastener industry, I’ve helped hundreds of global clients—like our friend Mark from Canada—navigate the complex supply chain of machine screw sourcing. To make your life […]
What Are the Key Differences Between Hex Bolts and Heavy Hex Bolts?
When it comes to fastening solutions, selecting the right type of bolt can make all the difference. If you’re choosing between a hex bolt and a heavy hex bolt, understanding their differences in terms of strength, size, and application is crucial. Let’s explore these key differences and find out which one is ideal for your […]
Top 10 Tension Control Bolt (TC Bolt) Manufacturers and Supplier in China
If you’re in steel construction, towers, or large infrastructure, chances are you’ve worked with tension control bolts (TC bolts). But when it comes to sourcing them from China—who can you really rely on? I’m Monica Song from Shanghai Hengrui Industry Co., Ltd. With over 15 years in the fastener industry, I’ve helped B2B clients from […]
4 Industrial Fastener Packaging Solutions for Safe International Shipping
Exporting fasteners isn’t just about the product—it’s about the packaging. Without strong, compliant, and sea-ready packaging, even the best hardware can arrive damaged. We’ve worked with global buyers who demand robust solutions. Hengrui offers four proven packaging methods designed for international shipping efficiency and product integrity. Hengrui Fastener provides four common export packaging methods: (1) […]
2025 Top 10 Wood Screw Manufacturers in China
If you’re sourcing wood screws from China, you’re probably swamped with options. I get it. As Monica Song, founder of Shanghai Hengrui Industry Co., Ltd, I’ve spent 15+ years in the fastener business helping clients like Mark from Canada find suppliers they can count on—those who deliver on time, provide consistent quality, and understand the […]
How Do I Customize Fasteners According to My Engineering Drawing? (Step-by-Step Guide)
You’re handling a complex engineering project and need bolts that match exact specs. Generic fasteners won’t cut it—and errors cost time and money. This guide walks you through how to customize fasteners based on your drawing, avoiding production delays and ensuring a perfect fit every time. To customize fasteners based on your drawing, first please […]
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 […]
