Neodymium Rubber Coated Magnet with External Thread (NRBB series)
It is a kind of pot magnet with a strong neodymium iron boron (NdFeB) magnetic core, fully wrapped in elastic rubber via overmolding process, and equipped with an exposed external threaded stud at the back for installation. The built-in steel pot shell concentrates magnetic force on the front adsorption surface, while the external thread is reserved for fastening brackets, lamps, sensors, fixtures and other accessories with matching nuts.
FOB Price: US $0.1 – 10 / Piece | Get Latest Price
Min.Order Quantity: 100 Piece
Supply Ability: 500,000 Piece/Month
Port: Shanghai/Hangzhou/Ningbo
Payment Terms: T/T, Western Union, Paypal
Delivery Time: About 7-25 days
Quick Details
| Place of Origin: Zhejiang, China (Mainland) | Brand Name: SYM |
| Product Name: Neodymium rubber coated magnet with external thread (NRBB series) | Type: Permanent magnets |
| Components: Neodymium magnets, steel plate & TPR rubber | Coating: Rubber coated |
| Rare Earth Magnet Material: Neodymium Iron Boron | Size: Shown in the technical data chart below or customized |
| Magnetization Direction: through thickness direction |
Technical Data for Neodymium Rubber Coated Magnet with External Thread (NRBB series)

| MODEL | D (mm) | M (mm) | H (mm) | h (mm) | Attraction (Kgs) | Net Weight (gs) |
|---|---|---|---|---|---|---|
| NRBB22 | 22 | M4 | 12.5 | 6 | 5 | 14 |
| NRBB34 | 34 | M4 | 16.5 | 6 | 6 | 25 |
| NRBB43 | 43 | M6 | 21 | 6 | 8 | 32 |
| NRBB66 | 66 | M8 | 23 | 8 | 20 | 107 |
| NRBB88 | 88 | M8 | 24.5 | 8.5 | 42 | 193 |
Core Advantages & Main Application Fields
• Advantages
1. Surface Protection
Soft rubber layer prevents scratches, indentations and paint peeling on polished metal, car paint, stainless steel and aluminum plates during adsorption. No damage to finished workpieces after removal.
2. Anti-slip & Stable Fixation
High-friction rubber avoids sliding under vibration on vertical metal surfaces. Ideal for suspended or vibrating equipment installation.
3. Waterproof & Anti-corrosion
The sealed rubber barrier isolates moisture, water splash and salt mist, effectively stopping the NdFeB core from oxidation and rust, extending service life in damp workshop and marine environments.
4. Shockproof & Noise Reduction
Rubber buffers impact when the magnet attaches to metal, preventing the brittle neodymium core from cracking. It also eliminates harsh collision noise.
5. Easy Assembly
The protruding external thread can pass through mounting holes directly; lock with a nut to fasten brackets, lights, cameras and signs firmly. Disassembly is convenient without drilling or damaging metal substrates.
• Applications
1. Automotive industry: Mount work lights, inspection cameras, warning signs on vehicle bodies
2. Machinery & workshop: Fix tool holders, measuring instruments, sensor brackets on machine tools
3. Marine hardware: Temporary fixtures on yachts and ships, resistant to salt spray
4. Advertising & display: Hang light boxes, acrylic signs, display racks on iron walls
5. Household & decoration: Install magnetic lamp holders, storage racks and temporary partition fittings


Packaging for Rubber Coated Magnets

Shipping Methods for Neodymium Rubber Coated Magnet with External Thread (NRBB series)

International Express (TNT, DHL, FedEx, UPS, etc), Air, Sea.
a: If the weight is under 40kgs, we recommend to send it in shielding boxes by Express.
b: If the weight is between 40-100kgs, it can be sent by Express or Air.
c: If the weight is over 100kgs, we recommend to ship them by Sea.
Pot Magnets & Magnetic Hooks Series
For more details about neodymium rubber coated magnet with external thread, please send message to us or email to sales@sinnyuan.com. We will reply to you as early as possible.
Send Message to Us


























