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Ball Plungers - Long
• Type: Standard Knob
• Overall Length: Standard
• Mounting Method: Screw-In
• Locking Mechanism: Without Locking Nose
• Operation Knob: Provided
Install with a hex key or slotted ball-nose spring plungers. They have a ball nose that rolls to minimize wear and allow parts to move in and out of position. Made from 440C stainless steel, the nose is hard, wear resistant, and mildly chemical resistant.
Steel bodies are strong and wear resistant. They have a black-oxide finish to resist corrosion in dry environments.
18-8 stainless steel bodies are chemical resistant and may be mildly magnetic.
Spring plungers without thread locker are for use in soft material such as aluminum, in extreme temperatures, and on parts requiring frequent assembly and removal.
Spring plungers with thread locker have a locking element that adds friction to resist loosening.
Extended nose force is the force required to begin to depress the nose. Compressed nose force is the force required to depress the nose flush with the body. When using a plunger as a detent or stop, a lighter nose force with a shallower hole releases more easily, while a heavier force with a deeper hole holds more securely.


standared fabric or export carton

1. Payment Terms-guaranteed that we will never run away
【100% before production】We are taking a enough deposit to start with our production.
【If we are 1 week delayed- refund you 1%】
【If we are 2 week delayed- refund you 2%】
【If we are 3 week delayed- refund you 3%】
【If we are 4 week delayed- refund you 4%】
Dongguan Zhengchen Hardware Co., Ltd.
Main categories: Spring Plunger, Indexing Plunger, FA Automation Part



1.How do you let me trust you.
We have own import & export right, and we are Gold mumber of alibaba and made in china, We get credit guarantee from Alibaba Group. you can make an order by alibaba to us directly.
2.How about your price.
High quality products with reasonable price. Please give me a inquire, I will quoted you a price for you refer at once.
3. How do you control your quality.
We request QC inspect every productions links for each bacth goods.And we can provide you MTC and mill certificate when the goods is finished.
4.Could you provide free samples?
For new customer, We can provide free samples for standard fastener, But the clients will pay the express charges. For old customer,We will send you free samples and pay express charges by ourself.
5.Do you accept small order?
Sure, we can accept any orders, we keep lots of stock for ALL STAINLESS STEEL FASTENER, CARBON STEEL NUT AND PART BOLT
6.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce your goods.
8.What is your payment term ?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order.
Introducing our top-of-the-line spring plunger, designed to meet the needs of professionals across various industries. Our spring plungers are engineered with precision and accuracy, ensuring that they deliver optimal performance every time.
Featuring a spring-loaded ball or pin, our spring plungers are designed to provide reliable and consistent force to hold workpieces in place or eject parts from punch presses and dies. The spring mechanism is carefully calibrated to ensure that the force applied is just right, providing a secure hold without damaging the workpiece or tooling.
Crafted from high-quality materials, our spring plungers are built to last. They are resistant to wear and tear, corrosion, and other forms of damage, ensuring that they remain in top condition even after prolonged use.
Whether you are a machinist, engineer, or DIY enthusiast, our spring plungers are the perfect tool for your needs. They are easy to install and use, and they provide a reliable and consistent hold that you can count on. So why wait? Invest in our spring plungers today and experience the difference for yourself!
Frequently asked questions about this product (FAQ)
1. What is the function of the ball plunger?
The stroke of the front end ball head is specified, which can be used for temporary positioning, indexing, and other purposes of the workpiece.
2. What is the function of the spring plunger?
The front end is pin shaped and can be used to eject workpieces or stop blocks.
3. What are the meanings of load min and max?
The load min represents the initial load value, and max represents the load value at the maximum pressure limit of the ball head.
4. What is the anti loosening treatment for the ball head plunger?
Fix using an anaerobic gas adhesive filled in microcapsules. Once loose, it will fail, so it is necessary to use a thread with an anaerobic adhesive. When placed at temperatures exceeding 25 degrees Celsius for 72 hours, the anti loosening effect is the most ideal.
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.