| Availability: | |
|---|---|
| Quantity: | |
One of the outstanding features of our Captive Screw is its compatibility with a wide range of materials. Whether you are working with metal, plastic, wood, or composite materials, our captive screw can be used effectively. This versatility makes it a popular choice among engineers and designers. Another feature is its low-profile design. The head of the captive screw is relatively thin, which is beneficial in applications where space is limited. It allows for a more compact assembly without sacrificing the strength and functionality of the connection. Our captive screw also has a high resistance to fatigue. It can withstand repeated cycles of tightening and loosening without losing its performance or integrity.
The advantages of our Captive Screw are significant in various industrial and commercial settings. Its compatibility with different materials reduces the need to stock multiple types of screws for different applications, saving both time and money. The low-profile design is especially useful in applications such as electronics, where space is at a premium. It enables the creation of more compact and lightweight products. The high resistance to fatigue ensures that the captive screw can be used in applications where frequent maintenance or adjustment is required, such as in machinery or equipment that is regularly serviced. Additionally, the ease of installation and the anti-loss feature of the captive screw contribute to increased productivity and reduced downtime.
Our Captive Screw is applicable in a diverse range of industries. In the furniture industry, it is used to assemble various pieces of furniture, such as cabinets, tables, and chairs. The low-profile design and compatibility with different materials make it an ideal choice for creating aesthetically pleasing and functional furniture. In the electronics industry, it is used to secure circuit boards, enclosures, and other components. The ability to work with different materials and the anti-loss feature are crucial in preventing damage to delicate electronic parts. In the marine industry, captive screws are used in the construction and maintenance of boats and ships. Their corrosion resistance and high load-bearing capacity make them suitable for withstanding the harsh marine environment.
1. Can the captive screw be tightened with a power tool?
Yes, our captive screw can be tightened with a power tool, such as a screwdriver or a wrench, depending on the head style. However, it is important to use the appropriate tool and set the correct torque to avoid over-tightening and damaging the screw or the components.
2. What is the difference between a captive screw and a regular screw?
The main difference is that a captive screw has the shank attached to the head and cannot be completely removed from the head, while a regular screw can be fully detached. This makes the captive screw more suitable for applications where preventing the loss of the screw is important.
3. Are there any special storage requirements for the captive screw?
It is recommended to store the captive screw in a clean and dry environment to prevent corrosion. If the screws are made of metal, it is advisable to keep them away from moisture and corrosive substances. You can also store them in a container or a box to prevent them from getting mixed with other small parts.
4. Can the captive screw be used in applications with high humidity?
Our captive screws made from corrosion-resistant materials such as stainless steel can be used in applications with high humidity. However, if the humidity is extremely high or there is continuous exposure to water, additional protective measures such as applying a protective coating may be necessary.
5. How do I remove a captive screw if it is stuck?
If the captive screw is stuck, you can try using a penetrating oil to loosen it. Apply the oil to the thread and let it sit for a while. Then, try to turn the screw gently using the appropriate tool. If it still does not move, you may need to use more force or consult a professional for assistance.

| Type | [ M ]Material | [ S ]Surface Treatment |
| ZLRLM | Alloy Steel | Electroless Nickel Plating |
| ZLRLB | 303 Stainless Steel | - |
| Part Number | - | L |
| ZLRLB3 | - | 10 |
| Part Number | L | D | A | |||||||
| Type | M (Coarse) | |||||||||
| ZLRLM ZLRLB | 3*0.5 | 6 | 10 | 5.5 | 10 | |||||
| 4*0.7 | 6 | 10 | 16 | 7 | 16 | |||||
| 5*0.8 | 10 | 16 | 20 | 8.5 | 20 | |||||
| 6*1.0 | 10 | 16 | 20 | 25 | 30 | 10 | 30 | |||
| 8*1.25 | 20 | 25 | 30 | 13 | 36 | |||||
| 10*1.5 | 20 | 25 | 30 | 40 | 16 | 40 | ||||
| Shape Style | Knurling | Mounting Hole Shape | No | Shape | Hand tightening bolt |
|---|---|---|---|---|---|
| Thread Ridge Type | Metric coarse | Tip Shape | Flat End | Additional Shape | Standard |
| Sale Unit | Individually Sold (Min. 1 Pc) | Application | Standard | Material Certificate | Available |
Frequently asked questions about this product (FAQ)
Q:What are the main types of bolt materials currently sold by Zhengchen?
A:Steel, stainless steel, aluminum alloy, titanium alloy, resin, etc.
Q:What are the main strength grades of steel hexagonal bolts currently sold by Zhengchen?
A:8.8 level, 10.9 level, 12.9 level.
Q:What are the main strength grades of stainless steel bolts currently sold by Zhengchen?
A:A2-50,A2-70,A4-70,A4-100。
Q:What are the main types of special bolts currently sold by Zhengchen?
A:Pin bolts, eyebolts, protruding head bolts, contour bolts, etc.
Q:Does Zhengchen sell English bolts?
A:Yes, there are four categories in total, all of which are agency products.
Specifying fastening hardware in load-bearing environments carries incredibly high stakes. Mechanical failure is simply not an option. You rely on these components to hold massive structures and critical machinery together under immense stress.
Specify the wrong dimensions for a push button locking pin, and the assembly either fails to lock entirely or suffers from excessive axial play. This loose tolerance accelerates mechanical wear. The most common point of failure in procurement involves confusing "overall length" and "grip length."
Exacting engineering environments leave absolutely no room for guesswork. A fraction of a millimeter often determines whether an assembly holds under immense pressure or fails catastrophically.
In mission-critical applications—from aerospace rigging to medical structural supports—the failure of a quick-release fastener is not just a maintenance nuisance. It is a system-level vulnerability. Engineers often over-index on static shear strength when evaluating these components.
Industrial engineers often face a frustrating terminology paradox. You might hear procurement teams use hardware terms loosely. They ask for ball lock pins today. They ask for push button pins tomorrow. They assume these represent completely different fastening systems.
In precision industrial environments, every second of assembly time counts. Engineers require reliable, tool-less fastening solutions. You need components built for speed and absolute security. The push button locking pin meets this demand perfectly.
Manual fastening in high-vibration or load-bearing environments often forces a difficult engineering trade-off. Technicians must usually choose between maximum physical security and rapid operational speed. Traditional threaded fasteners require tedious manual tightening.
A push button locking pin acts as a critical failure point in high-load, fast-assembly environments. From aerospace assemblies and line array audio systems to heavy lifting and industrial Lockout/Tagout (LOTO) protocols, these small components carry massive operational stakes.
Push button locking pins appear as incredibly simple, reliable mechanisms at first glance. Yet, specifying the wrong pin compromises structural integrity, operator safety, and overall application efficiency. Even a minor oversight can lead to catastrophic system failure.
Selecting the exact right positive locking mechanism demands a rigorous balance. Engineers must weigh rapid manual actuation against sheer strength and environmental resilience. For decision-makers, the stakes remain incredibly high.
A push button locking pin is often a low-cost component. Yet, it frequently secures high-value industrial assets. Sizing errors carry severe operational consequences. They lead to excessive machine downtime. They cause mechanical binding during daily assembly.
Engineers constantly seek efficient ways to secure moving parts in complex assemblies. A push-pull spring plunger serves as a critical mechanical component for indexing, positioning, and locking these mechanisms seamlessly.
Engineers often drop a detent pin into a design blindly. You might expect it to handle whatever mechanical forces come its way. However, this assumption introduces severe mechanical risks.
Designing mechanical assemblies often hinges on a single, vital interaction point. You must perfectly match a spring plunger to its mating surface. This tiny engagement zone dictates the tactile feel and reliability of the entire mechanism.
Manufacturing thrives on absolute precision and repeatable actions. Engineers constantly seek reliable mechanical components designed to apply accurate, repeatable spring end-forces in tooling, fixtures, and automated machinery.
Repeatable precision in manufacturing, tooling, and product assembly depends heavily on minor mechanical components. They must function reliably over thousands of continuous cycles to prevent production halts.
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.