Description:
Introducing our stainless steel double door Ball Catches BCAS50/70 – the epitome of seamless functionality and modern design. These meticulously crafted ball catches are engineered to provide reliable and convenient door closure solutions for double doors. Constructed from high-quality stainless steel, these catches offer a blend of durability and aesthetic appeal that elevates the look and functionality of your doors.
Application:
The stainless steel double door Ball Catches BCAS50/70 are designed for a wide range of applications, particularly in scenarios where double doors are present. They are ideal for both residential and commercial settings, such as interior doors in homes, hotels, offices, restaurants, and more. These ball catches effectively hold double doors in place, preventing unwanted swinging while ensuring effortless access between spaces.
Advantages:
Robust Build: Crafted from premium stainless steel, these ball catches are built to withstand regular use and resist corrosion, ensuring a long-lasting solution for your double doors.
Smooth Operation: The precisely engineered design guarantees smooth and quiet door operation, eliminating the need for excessive force when opening or closing the doors.
Sleek Aesthetics: The modern and minimalistic design of the ball catches adds a touch of sophistication to any setting, seamlessly integrating with various interior styles.
Dual Catch System: With the BCAS50/70 model, you benefit from a reliable dual catch mechanism that ensures both doors remain secure and aligned, enhancing overall door stability.
Easy Installation: These ball catches come with user-friendly installation instructions, making the setup process straightforward and hassle-free.
Versatile Sizing: The BCAS50/70 model is available in multiple sizes to accommodate different door dimensions and weights, providing versatility for various door types.
Maintenance Ease: The stainless steel construction not only ensures longevity but also makes cleaning and maintenance simple, keeping your doors looking their best.
Selectable from 3 types of materials and 4 sizes.
Please check the product specification for the part number BCAS50 on the Ball Catches. The BCAS50 is included in our offerings Door Catches and our full line of

Frequently asked questions about this product (FAQ)
1. Can the ball buckle be used outdoors?
This spherical buckle can be made of stainless steel material, which can provide a certain degree of rust protection even in outdoor environments.
2. Are there any precautions to pay attention to when installing the spherical buckle?
The spherical buckle is generally divided into the main body part and the buckle seat part, both of which have installation holes. When opening holes on the equipment, it is necessary to pay attention to the size spacing of the holes, because the spherical buckle main body and buckle seat are two separate parts. If the size control is not good, it is possible that the buckle may not be placed up when tightened.
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.