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Our Hollow screw is packed with features that make it stand out in the market. It has a high tensile strength, enabling it to withstand heavy mechanical loads without breaking. The hollow core provides a significant weight reduction compared to solid screws, making it ideal for applications where weight is a critical factor, such as in the aerospace and automotive industries. The screw is available in a wide range of lengths and diameters, allowing for easy integration into different systems. It also offers excellent chemical resistance, thanks to the choice of high-quality materials, which makes it suitable for use in corrosive environments. Additionally, the screw can be coated with various finishes, such as zinc plating or black oxide, to enhance its appearance and corrosion resistance.
The advantages of our Hollow screw are evident in its performance and versatility. Its high tensile strength and weight reduction properties make it a preferred choice for applications where both strength and lightness are required. The ability to pass fluids or wires through the screw simplifies the design and assembly process, reducing the need for additional components and saving costs. The chemical resistance and various coating options ensure the screw's longevity and reliability in different environments. The wide range of available sizes and customization options make it easy to find the perfect screw for any application. Moreover, our Hollow screw is backed by a team of experienced engineers who can provide technical support and advice to ensure its proper use.
Our Hollow screw is used in a diverse range of industries and applications. In the aerospace industry, it is used for structural connections and fuel line routing, where its lightweight and high-strength properties are highly valued. In the automotive industry, it is employed for engine component assembly, such as oil line routing and electrical wiring management. In the plumbing industry, it is used for connecting pipes and fittings, with the hollow core allowing for the passage of water or other fluids. It is also commonly used in the marine industry for boat construction and repair, as its corrosion resistance is essential in saltwater environments. Additionally, the screw finds applications in the electronics, furniture, and construction industries.
Q: What materials are available for the Hollow screw?
A: We offer Hollow screws made from a variety of materials, including stainless steel (such as 304 and 316), alloy steel, titanium, and brass. Each material has its own unique properties, such as corrosion resistance, strength, and weight. Please contact our sales team to discuss which material is best suited for your application.
Q: Can the Hollow screw be used in a submerged environment?
A: It depends on the material and coating of the screw. Stainless steel and titanium screws with appropriate coatings can be used in submerged environments, as they offer good corrosion resistance. However, for prolonged or highly corrosive submerged applications, it is recommended to consult our technical experts for the best solution.
Q: How do I determine the correct size of the Hollow screw for my application?
A: To determine the correct size, you need to consider the thickness of the materials being joined, the load requirements, and the diameter of the wires or fluids that need to pass through the screw. You can refer to our product catalog or contact our sales team for assistance in selecting the appropriate size.

Our Hollow screw is packed with features that make it stand out in the market. It has a high tensile strength, enabling it to withstand heavy mechanical loads without breaking. The hollow core provides a significant weight reduction compared to solid screws, making it ideal for applications where weight is a critical factor, such as in the aerospace and automotive industries. The screw is available in a wide range of lengths and diameters, allowing for easy integration into different systems. It also offers excellent chemical resistance, thanks to the choice of high-quality materials, which makes it suitable for use in corrosive environments. Additionally, the screw can be coated with various finishes, such as zinc plating or black oxide, to enhance its appearance and corrosion resistance.
The advantages of our Hollow screw are evident in its performance and versatility. Its high tensile strength and weight reduction properties make it a preferred choice for applications where both strength and lightness are required. The ability to pass fluids or wires through the screw simplifies the design and assembly process, reducing the need for additional components and saving costs. The chemical resistance and various coating options ensure the screw's longevity and reliability in different environments. The wide range of available sizes and customization options make it easy to find the perfect screw for any application. Moreover, our Hollow screw is backed by a team of experienced engineers who can provide technical support and advice to ensure its proper use.
Our Hollow screw is used in a diverse range of industries and applications. In the aerospace industry, it is used for structural connections and fuel line routing, where its lightweight and high-strength properties are highly valued. In the automotive industry, it is employed for engine component assembly, such as oil line routing and electrical wiring management. In the plumbing industry, it is used for connecting pipes and fittings, with the hollow core allowing for the passage of water or other fluids. It is also commonly used in the marine industry for boat construction and repair, as its corrosion resistance is essential in saltwater environments. Additionally, the screw finds applications in the electronics, furniture, and construction industries.
Q: What materials are available for the Hollow screw?
A: We offer Hollow screws made from a variety of materials, including stainless steel (such as 304 and 316), alloy steel, titanium, and brass. Each material has its own unique properties, such as corrosion resistance, strength, and weight. Please contact our sales team to discuss which material is best suited for your application.
Q: Can the Hollow screw be used in a submerged environment?
A: It depends on the material and coating of the screw. Stainless steel and titanium screws with appropriate coatings can be used in submerged environments, as they offer good corrosion resistance. However, for prolonged or highly corrosive submerged applications, it is recommended to consult our technical experts for the best solution.
Q: How do I determine the correct size of the Hollow screw for my application?
A: To determine the correct size, you need to consider the thickness of the materials being joined, the load requirements, and the diameter of the wires or fluids that need to pass through the screw. You can refer to our product catalog or contact our sales team for assistance in selecting the appropriate size.

If an indexing plunger starts sticking, failing to seat, or wearing out early, replacing it might "solve" the symptom—but not the cause. Most field issues come from receiving-hole design, alignment stack-up, contamination, or side loading.
In harsh environments, "indexing plunger" is not the full spec. The real spec is: corrosion risk + cleaning method + contamination tolerance + maintenance reality. If you don't design around those, even a premium plunger will feel gritty, stick, or corrode before its expected service life.
"Load rating" sounds simple until a pin bends in the field and everyone asks why. Indexing plunger pins rarely fail from pure axial force. They fail because real assemblies introduce shear, bending, misalignment, and vibration—often all at once.
A standard indexing plunger is designed to re-engage automatically. That's great—until it isn't. In fast changeovers, rotating plates, or safety-critical adjustments, you may need the opposite behavior: the pin must stay retracted until the operator intentionally releases it.
When an indexing plunger "doesn't feel reliable," the issue is often not the plunger. It's the hole. Bore size, chamfer, and engagement depth decide whether the pin finds the target smoothly—or fights burrs, edge damage, and misalignment for the rest of its life.
Did you know that using the wrong set screw can cause permanent damage to delicate components? Whether you're working with polished aluminum, plastic housings, or precision assemblies, a traditional metal set screw might scratch, deform, or even crack your components.
What do medical devices, precision electronics, and high-end furniture have in common? They all require non-marring, precision fastening solutions—and nylon tip set screws are the go-to choice.Standard fasteners often cause more harm than good in delicate assemblies.
Did you know that a single fastener can determine whether your assembly lasts for years or fails within weeks? It's not always about the size or strength of the screw—it's about the application fit. In industries where surface integrity, vibration control, and precision are essential, the nylon tip set screw is often the unsung hero.
"One wrong screw can ruin your entire assembly." That's not an exaggeration—it's a reality many engineers and manufacturers face when choosing between different types of fasteners. Imagine tightening a set screw into a soft aluminum or plastic surface, only to find cracks, scratches, or permanent damage.
In many industries, fastening delicate components without causing surface damage is a constant challenge. That's where nylon tip set screws come in — a smart and reliable solution for non-marring, vibration-resistant fastening.
When you use a sliding door or open a drawer, you can feel the smooth stop and click. This comes from the ball head plunger and spring plunger inside. A high-quality ball head plunger uses strong materials like 304 stainless steel. This gives you better durability and protects against rust.
You use a plastic ball plunger to move parts gently. Material is important. POM and PA work for everyday jobs. PEEK is better for hot or tough places. Ball plungers keep electronics and molds safe. They protect soft surfaces.
Hygiene is very important in food processing. Every part, even a stainless steel ball plunger, must meet hygiene rules. Clean machines help keep food safe for people. Picking parts that resist germs and rust means you can trust your equipment for years.
You use spring ball plunger technology to get steady preload and close tolerances in your automation equipment. Spring-loaded plungers help you get exact positioning. This makes design and performance better.
Ever wondered what makes that satisfying "click" in knobs or fixtures? It’s often a spring plunger—a small part with a big job. From holding sliding doors in place to aligning machine components, spring plungers are everywhere. Choosing the wrong one can lead to loose fits or worn-out parts.
Ever wonder how machines get their parts to line up just right? That perfect fit often depends on small components like spring plungers. These parts help with positioning, clamping, and alignment in mechanical systems. But for even greater control, eccentric bushings come into play.
Ever wonder what gives that satisfying “click” in mechanical devices? It’s often thanks to a small part called a spring ball plunger. These tiny tools are powerful when used right—but easy to misuse.
Ever wondered how machines lock, click, or hold parts in place with precision? It’s often thanks to tiny tools called spring-loaded devices. Among them, spring plungers and ball plungers do the heavy lifting. But what exactly sets them apart—and why does it matter?
Ever wonder how machines lock parts perfectly into place? The secret is often a small but powerful tool called a spring plunger. These clever devices help position, lock, or release components with precision.
Zhengchen Hardware produces premium ball lock pins for industrial, automotive & machinery applications. Custom sizes & bulk pricing available. Request a quote today!Zhengchen Hardware – Your Trusted Ball Lock Pin ManufacturerWhen secure, quick-release fastening is critical, industries worldwide rely