What You Need to Know About Neodymium Cup Magnets
If you’ve ever used standard round magnets only to watch them fail under heavy loads or in harsh environments, Off-the-shelf magnets often lack the durability and magnetic efficiency needed for heavy-duty applications. That’s where neodymium cup magnets come in.
As strong magnets encased in a steel shell, they not only enhance magnetic performance but also protect the brittle rare earth magnet inside. Whether you're into fishing magnets, industrial lifting, or machinery design, customizing your neodymium cup magnets ensures they fit your exact needs — and last.
Our Neodymium Cup Magnets Samples
We provide a variety of Neodymium magnet in different sizes, grades (N35–N52), and coatings. You can request a free sample to test magnetic strength and fit before placing bulk orders.
Neodymium Pot Magnets
Neodymium Cup Magnet
Neodymium Cup Magnets Round Base with Countersunk Hole
Neodymium Rare Earth Countersunk Cup/Pot Mounting Magnets
Request a Free Sample – Test Our Quality Before Bulk Order
Custom Neodymium Cup Magnets – Process Guide
Our production process is as follows: After the customer provides drawings or specific requirements, our engineering team will review and confirm them. After confirmation, we will make samples to ensure that all products meet the standards. After the sample is confirmed, we will carry out mass production, and then pack and ship to ensure efficient delivery and quality assurance.
Our MOQ is 100pcs,We can meet customers' small batch production and large batch production. The normal proofing time is 7-15 days. If there is magnet stock, the proofing can be completed. within 3-5 days. The normal production time of bulk orders is 15-20 days. If there is magnet inventory and forecast orders, the delivery time can be advanced to about 7-15 days.
What Are Neodymium Cup Magnets ?
Definition
Neodymium cup magnets are a specialized type of rare earth magnet designed with a cup-shaped (or pot-shaped) structure, which serves to concentrate magnetic flux and enhance overall magnetic grip—making them well-suited for heavy duty applications across various industries. As a form of applied magnets, they go beyond basic magnetic strength, integrating key components (such as robust casings and reliable attachments) to ensure durability and practicality in real-world use, unlike generic magnets that may fail under stress, temperature changes, or harsh conditions.
Shape types
Neodymium cup magnets, as a specialized category of rare earth magnets optimized for concentrated magnetic force and practical installation, feature shape designs tailored to diverse application scenarios—with each type emphasizing compatibility with attachments like screws, threaded studs, or eye bolts, and alignment with needs such as heavy-duty holding or precise mounting. for example Round Neodymium Cup Magnets、Countersunk Neodymium Cup Magnets.
Key Advantages:
Versatile Installation Options：Neodymium cup magnets are designed for easy, secure mounting.
Durability for Demanding Environments：Built to withstand wear, corrosion, and mechanical stress.
Concentrated Magnetic Power：The cup (pot) casing—typically made of steel—acts as a flux conductor, directing magnetic force to the contact surface rather than dispersing it. This design boosts pull force significantly.
Technical Specifications
Applications of Neodymium Cup Magnets
Why Choose Us as Your Neodymium Cup Magnets Manufacturer?
As a Magnet manufacturer factory, we have our own Factory based in China,and we can provide you OEM/ODM services.
Source Manufacturer: Over 10 years of experience in magnet production, ensuring direct pricing and consistent supply.
Customization: Supports different shapes, sizes, coatings, and magnetization directions.
Quality Control: 100% testing of magnetic performance and dimensional accuracy before shipment.
Bulk Advantage: Automated production lines enable stable lead times and competitive pricing for large orders.
IATF16949
IECQ
ISO9001
ISO13485
ISOIEC27001
SA8000
Full Solutions From Neodymium Cup Magnets
Fullzen Technology is ready to help you with your project by developing and manufacturing Neodymium Magnet. Our assistance can help you complete your project on time and within budget. We have several solutions to help you succeed.
Supplier Management
Our excellent supplier management and supply chain control management can help our clients to obtain a quick and accurate delivery of quality products.
Production Management
Every aspect of production is handled under our supervision for uniform quality.
Strict Quality Management And Testing
We have a well-trained and professional (Quality Control) quality management team. They are trained to manage the processes of material procurement, finished product inspection, etc.
Custom Service
We do not only provide you with a high-quality magsafe rings but also offer you custom packaging and support.
Document Preparation
We will prepare the complete documents, such as bill of material, purchase order, production schedule, etc., according to your market requirements.
Approachable MOQ
We can meet most customers' MOQ requirements, and work with you to make your products unique.
Packaging details
Start Your OEM/ODM Journey
FAQs about Neodymium Cup Magnets
We offer flexible MOQs, starting from small batches for prototyping to large-volume orders.
Standard production time is 15-20 days. With stock, delivery can be as fast as 7–15 days.
Yes, we provide free samples for qualified B2B clients.
We can provide zinc coating, nickel coating, chemical nickel, black zinc and black nickel, epoxy, black epoxy, gold coating etc...
Thicker magnets generally offer higher pull force, but optimal thickness depends on the application.
Yes, with appropriate coatings (e.g., epoxy or parylene), they can resist corrosion and perform reliably in harsh conditions.
We use non-magnetic packaging materials and shielding boxes to prevent interference during transit.
Professional Knowledge & Buying Guide for Industrial Buyers
Magnetic Strength vs. Thickness
The thickness of a Neodymium Cup Magnets significantly influences its magnetic output. Thicker magnets generally provide higher pull force, but the relationship is not always linear. Selecting the right thickness involves balancing space constraints with performance requirements.
Coating Selection & Lifespan in Neodymium Cup Magnets
Different coatings offer varying levels of protection:
- Nickel: Good overall corrosion resistance, silver appearance.
- Epoxy: Effective in humid or chemical environments, available in black or gray.
- Parylene: Superior protection for extreme conditions, often used in medical or aerospace applications.
Selecting the correct protective coating is crucial. A nickel plating is common for humid environments, while more resistant coatings like epoxy, gold, or PTFE are essential for acidic/alkaline conditions. Coating integrity without damage is paramount.
Custom application cases of neodymium cup magnets：Tailored Solutions for Unique Needs
●Industrial Automation: Countersunk Cup Magnets for Robotic Fixturing.
● Aerospace Maintenance: Miniature Threaded Stud Cup Magnets for Tool Storage Challenge.
●Renewable Energy: Weatherproof Cup Magnets for Wind Turbine Sensors Challenge.
Your Pain Points and Our Solutions
● Magnetic strength not meeting requirements → We offer custom grades and designs.
● High cost for bulk orders → Minimum cost production that meets requirements.
● Unstable delivery → Automated production lines ensure consistent and reliable lead times.
Customization Guide – How to Communicate Efficiently with Suppliers
● Dimensional drawing or specification (with Dimensional unit)
● Material grade requirements (e.g. N42 / N52)
● Magnetization direction description (e.g. Axial)
● Surface treatment preference
● Packaging method (bulk, foam, blister, etc.)
● Application scenario (to help us recommend the best structure)
