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Our Shoulder Bolt comes with a plethora of features that set it apart in the market. Its precise shoulder dimension ensures accurate centering of components, which is crucial for the proper functioning of assemblies. The high-quality materials used guarantee excellent mechanical properties, including high tensile strength and fatigue resistance. This enables the shoulder bolt to withstand repeated loading and unloading cycles without failure. The variety of head styles, such as hex, socket, or button head, provides flexibility in installation, allowing users to choose the most suitable option based on their specific tooling and space constraints. Additionally, our shoulder bolts can be manufactured with different thread classes and finishes, such as coarse or fine threads and zinc plating for enhanced protection against rust and corrosion. The availability of various lengths and diameters further broadens its application scope, catering to diverse engineering requirements.
The advantages of our Shoulder Bolt are manifold. Its ability to provide accurate alignment reduces the risk of misalignment-induced wear and tear on components, thereby extending the lifespan of the entire assembly. The robust construction and high-strength materials make it a reliable choice for heavy-duty applications, ensuring the integrity of the connection even under extreme conditions. The flexibility in head styles and thread options simplifies the installation process and allows for easy integration into different systems. The enhanced corrosion resistance offered by surface treatments makes it suitable for use in harsh environments, such as marine or chemical processing industries. Moreover, our commitment to quality control ensures that each shoulder bolt meets strict performance standards, providing customers with a product that they can rely on for their critical applications.
Our Shoulder Bolt is widely applied across numerous industries. In the manufacturing of industrial machinery, it is used to secure and align parts of engines, gearboxes, and other mechanical systems, ensuring smooth operation and precise movement. In the automotive sector, shoulder bolts play a vital role in assembling chassis components, engines, and interior fixtures, contributing to the overall safety and performance of vehicles. In the electronics industry, they are used for mounting and positioning circuit boards and other delicate components, providing stability and preventing vibrations. The aerospace industry also benefits from the use of our shoulder bolts for joining structural elements of aircraft, where precision and reliability are of utmost importance. Additionally, shoulder bolts find applications in the furniture, construction, and agricultural machinery industries, where they offer a secure and accurate fastening solution.
Q: What factors should I consider when choosing a Shoulder Bolt for my application?
A: When choosing a shoulder bolt, consider factors such as the material required based on the environmental conditions (e.g., corrosion resistance for outdoor applications), the load requirements of your assembly (including tensile and shear loads), the size and fit of the mating holes, the type of head style suitable for your installation tools and space limitations, and the thread pitch and class that will provide the desired level of tightness and connection strength. Our sales team can assist you in making the right choice based on your specific application details.
Q: Can the Shoulder Bolt be reused?
A: In some cases, a shoulder bolt can be reused if it has not been damaged during removal and still meets the required specifications. However, repeated use may cause wear and tear on the threads and the shoulder, potentially affecting its performance. It is recommended to inspect the bolt carefully for any signs of damage, such as cracks, deformation, or excessive wear, before reusing it. If in doubt, it is advisable to replace the bolt with a new one to ensure the safety and reliability of the assembly.
| Standard | Configurable | |
| Unhardened | +0.15 +0.05 | +0.1 0 |
| Hardened | +0.2 0 | +0.2 0 |
| D Tolerance (g6) | |
| 4~6 | -0.004 -0.012 |
| 8, 10 | -0.005 -0.014 |
| 12 | -0.006 -0.017 |
・Materials
| Standard | Configurable | [ M ]Material | [ H ]Hardness | [ S ]Surface Treatment | |||
| Standard Grade | Precision Grade | Standard Grade | |||||
| D | -0.01 -0.05 | Dg6 | D | -0.01 -0.05 | |||
| CBBD | - | FCBBD | 1045 Carbon Steel Equivalent | - | Black Oxide | ||
| CBBDH | - | FCBBDH | 40~45HRC | ||||
| CBD | CBDG | FCBD | 303 Stainless Steel Equivalent | - | - | ||

In precision machinery and industrial applications, choosing the right mechanical locking or positioning component is critical for reliability, safety, and efficiency. Two common devices used for positioning and locking are indexing plungers and ball lock pins.
Indexing plungers are vital mechanical components used to secure, position, and lock movable parts in machinery, fixtures, jigs, and industrial equipment.
Custom indexing plungers are essential components in specialized machinery, industrial equipment, and precision assemblies.
Indexing plungers are essential mechanical components used across various industries to ensure precise positioning, secure locking, and repeatable alignment in machinery, fixtures, jigs, and other adjustable assemblies.
Indexing plungers are essential components in mechanical assemblies, offering precise positioning, locking, and alignment capabilities. They are widely used in machinery, jigs, fixtures, and industrial equipment, where accurate positioning and repeatable movement are critical.
TIME/VENUE:2026.3.31-4.3 Shenzhen International Conventionand Exhibition Center (Bao'an)BOOTH NO.3-P10
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.