Pot magnet (customizable)
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FAIZEAL — NdFeB Pot Magnet Factory Direct Product Description
Neodymium Cup Magnet, Holding Magnet, Mounting Magnet, Threaded Pot Magnet, Countersunk Pot Magnet — Custom OEM/ODM Supply from Ningbo, China
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FAIZEAL is a 10-year neodymium iron boron magnet assembly manufacturer operating from Ningbo, China. We are one of the few factories in China that combines three core capabilities under one roof: sintered NdFeB magnet production, precision CNC machining, and magnetic circuit assembly. This integrated manufacturing model makes us the ideal supply chain partner for global buyers seeking high-quality, competitively priced NdFeB pot magnets (also called neodymium cup magnets, holding magnets, mounting magnets, or disc magnets with holes).
Our NdFeB pot magnet product line spans the full size range from Ø6 mm to Ø100 mm, covering thread specifications from M3 to M10, and supporting any non-standard custom design. We serve global customers in the woodworking jigs, industrial fixture, magnetic display, LED lighting, gift packaging, magnetic tool rack, magnetic hook, magnetic latch, magnetic stationery, and toy gift industries.
The core competitive advantages of FAIZEAL NdFeB pot magnets are: factory-direct pricing, precision craftsmanship, full customization capability, sufficient production capacity, and fast delivery. With a monthly production capacity exceeding 100,000 units and 50,000+ units of standard specifications in stock, FAIZEAL supports low minimum order quantities (starting at 50 pieces), delivers prototype samples within 7 days, and completes mass production within 15-30 days. We sell directly to B2B customers worldwide, cutting out all middlemen to deliver world-class quality NdFeB pot magnets at factory-ex-works prices.
All FAIZEAL NdFeB pot magnets use sintered neodymium iron boron N35-N52 permanent magnets, housed in a low-carbon steel or nickel-plated steel shell with a proven magnetic circuit design that meets or exceeds the holding force specifications of equivalent international brands. The surface treatment uses triple-layer Ni-Cu-Ni electroplating for corrosion resistance, with a 48-hour salt spray test confirming no red rust. Every single unit undergoes 100% holding force testing, dimensional inspection, and visual quality control before leaving the factory.
The precision craftsmanship of FAIZEAL NdFeB pot magnets is evident in every stage of the manufacturing process:
Stage 1: Magnet Blank Production. We use neodymium iron boron magnet blocks from our own sintered NdFeB production line. Every batch of magnet blocks is tested for BH curves, demagnetization curves, and dimensional accuracy before entering the CNC machining stage. After sintering, magnet blocks are precision ground to achieve parallelism tolerance of ±0.03 mm and flatness tolerance of ±0.02 mm, ensuring a perfect fit with the steel housing.
Stage 2: Steel Housing CNC Machining. The pot magnet steel housing is made from low-carbon steel Q235 or 10# steel, precision CNC-turned to exact dimensions. Wall thickness tolerance is ±0.05 mm; bore tolerance is IT7 grade (standard H7). Threads are produced by CNC tapping or thread rolling to 6H accuracy — fully compatible with standard screws. Countersunk bores are precision milled with diameter tolerance of ±0.10 mm and depth tolerance of ±0.05 mm.
Stage 3: Surface Treatment and Assembly. All pot magnet surfaces are triple-layer Ni-Cu-Ni electroplated: nickel underlayer 5-10 μm + copper intermediate layer 10-15 μm + nickel top layer 5-10 μm, total coating thickness 20-35 μm. Assembly uses dedicated press-fit tooling with epoxy structural adhesive between the magnet and steel housing, cured at controlled temperature. After curing, the magnet and housing are bonded at zero clearance, ensuring complete magnetic circuit integrity and long-term resistance to demagnetization.
Quality Inspection: Every pot magnet is 100% tested before shipment: holding force test (standard holding force ±5% tolerance), dimensional inspection (critical dimensions ±0.05 mm), visual quality control (no scratches, burrs, or coating defects), and thread gauge inspection (go-gauge passes, no-go gauge does not pass). FAIZEAL is certified to ISO 9001 quality management system, and all production processes are fully traceable with batch records.
Each standard FAIZEAL NdFeB pot magnet consists of four integrated components:
Permanent Magnet Core. The central sintered neodymium iron boron N35-N52 magnet, grade-selected based on holding force and temperature requirements. For room-temperature applications, choose N35-N52. For medium temperatures 80-120°C, choose N38M-N42M grades. For high temperatures 120-180°C, choose N40SH-N42SH grades. For ultra-high temperatures 180-200°C, choose N38EH-N35AH grades. The magnetization direction is axial (through the disc thickness).
Steel Housing. Made from low-carbon steel Q235 or 10# steel, providing a complete magnetic return circuit (yoke return path). The steel housing dramatically increases the holding force — compared to a bare neodymium magnet, a pot magnet with steel housing can increase holding force by 50-100%. The housing also provides mechanical protection and the threaded mounting interface.
Center Thread / Bore. Standard thread options include M3-M10 in various specifications. Available configurations include: countersunk bore (countersink, for flat head socket cap screw flush mounting), through bore (for through-bolt mounting), or male thread stud (external thread for insertion mounting).
Surface Plating. Standard Ni-Cu-Ni triple-layer plating suitable for the vast majority of indoor and outdoor applications. Alternative coatings include: zinc plating (cost-effective, for one-time use applications), chrome plating (high hardness, wear-resistant), epoxy coating (black, for decorative applications), and PTFE coating (corrosion-resistant, for marine and chemical environments).
FAIZEAL offers complete customization services. Customers simply provide the application scenario (material to be attracted, required holding force, mounting method, working temperature, environmental medium), and FAIZEAL's engineering team will deliver a complete solution + engineering drawings + quotation within 24 hours.
• Outer diameter: Ø6 mm to Ø100 mm any specification (special large sizes up to Ø200 mm available)
• Height: 3 mm to 50 mm any specification
• Special shapes: square, rectangular, oval, racetrack, D-shaped, hexagonal, octagonal — any shape with custom tooling
• Holding force range: 1 N to 5000 N any specification
• Achieved through magnet grade selection, magnet size optimization, housing wall thickness adjustment, and magnetic circuit design optimization
• Full holding force curve data and peak holding force test report provided
• Standard round (circular housing)
• Square pot magnet
• Rectangular pot magnet (bar type)
• Racetrack (oblong) pot magnet
• D-shaped (semicircle with flat edge)
• Custom tooling for any special shape
• Magnet grade: N35-N52 full range / N42SH / N40UH / N38EH / N35AH high-temperature grades
• Housing material: low-carbon steel Q235 / 10# steel / DT4 electrical pure iron / 304 stainless steel (weak magnetic scenarios) / aluminum alloy (lightweight)
• Plating combination: Ni-Cu-Ni / zinc / chrome / epoxy / PTFE / stainless steel original
• Thread specification: M2-M20 any size
• Thread type: internal thread (countersunk or through) / external male thread stud
• Thread depth: per customer requirement
• Countersink angle: 90° standard / 82° ANSI / 100° custom
• Matching bolts: socket head cap screw / hex head / Phillips / flathead / Torx
• Matching washers: flat washer / spring washer / rubber washer (anti-slip)
• Matching hangers: swivel hook / foldable hook / D-ring / eye bolt / clip
• Individual polybag packaging (standard)
• Individual premium packaging (transparent acrylic box — ideal for retail/distribution/e-commerce channels)
• Multi-unit set packaging
• Custom brand label + outer carton printing
• Export-compliant packaging (ISPM 15 wood fumigation requirements)
Customer inquiry → FAIZEAL engineering evaluation (24 hours) → Solution + quotation → Customer approval → Prototype sample (7-15 days) → Customer approval → Mass production (15-30 days) → Shipment. FAIZEAL's engineering team has 15 years of magnet assembly customization experience and has completed pot magnet customization solutions for 500+ global customers.
FAIZEAL sells directly to B2B customers worldwide, eliminating all trading companies, distributors, and agents. Customers receive products at factory-ex-works pricing, which is 40-60% lower than equivalent products from European or American distributors, and 20-30% lower than domestic Chinese traders. We provide transparent tiered pricing: per-unit price, 100-piece minimum, 500-piece batch price, 1,000-piece price, and 5,000+ piece large-customer price — higher volume means better pricing.
For OEM/ODM large customers, FAIZEAL offers annual framework agreement pricing with quarterly rolling quotes, allowing customers to lock in optimal procurement costs throughout the contract period. We welcome factory audits, third-party SGS/BV factory inspection, and offer payment terms for long-term partners.
FAIZEAL operates an integrated manufacturing campus: sintered NdFeB magnet production line (annual capacity 800 tonnes), magnetic circuit assembly workshop (2,000 m²), precision CNC machining workshop (1,500 m²), and surface treatment workshop (800 m²). Monthly NdFeB pot magnet production capacity exceeds 100,000 units, with 50,000+ standard-spec units kept in stock.
Standard specification orders are delivered in 7-15 days; custom specifications in 15-30 days; large-volume orders per contract schedule (typically 45-60 days). FAIZEAL is certified to ISO 9001 quality management, and all delivery commitments are backed by capacity assessments.
FAIZEAL is located in Ningbo, Zhejiang, adjacent to the Ningbo Zhoushan Port — the second busiest port in China and the third busiest container port globally. From Ningbo port, ocean freight reaches the US West Coast in 14-18 days, US East Coast in 25-30 days, European major ports in 25-32 days, Middle East and South Asia in 18-25 days, and Southeast Asia in 7-12 days.
We offer complete trade terms: FOB / CIF / DDP / DAP. Long-term partnerships with international logistics providers including DHL, FedEx, UPS, Maersk, CMA CGM, and COSCO ensure safe, efficient, and cost-effective delivery to customers worldwide. FAIZEAL provides complete export documentation: commercial invoice, packing list, certificate of origin, customs declaration, and product inspection report.
FAIZEAL's engineering team brings 15 years of magnet assembly customization experience. Every project is assigned a dedicated 1-to-1 engineer, managing the full journey from needs assessment and design engineering, through prototype tracking and mass production, to after-sales support. Our engineers communicate fluently in English with global customers, eliminating language barriers that can cause design errors.
We provide complete pre-sale and after-sale support: free pre-sale technical evaluation, prototype tracking during production, and quality traceability after delivery. For any quality concerns, FAIZEAL commits to 100% replacement or refund, including return shipping costs — this is our confidence in our quality.
FAIZEAL NdFeB pot magnets are standard fixtures in the woodworking industry. Typical applications: woodworking jig positioning, CNC carving machine mounting, thickness planer fixture, saw machine clamping, and veneer press tooling. The woodworking industry prefers Ø40-Ø80 countersunk pot magnets, paired with M6-M10 bolts, with holding force 200-800 N.
Industrial fixture magnetic bases, magnetic worktables, machining fixture mounting, magnetic positioning blocks, magnetic V-blocks, and magnetic try squares. The machining industry prefers high-force series (Ø50-Ø100, holding force 500-2000 N), requiring high precision and stability.
Magnetic product display stands, window display magnetic mounting, advertising board magnetic installation, POS machine magnetic bases, POP display stands, and acrylic display case accessories. The display industry prefers compact and refined series (Ø10-Ø30, paired with M3-M5 threads), with high appearance standards — FAIZEAL's premium acrylic box packaging is particularly suited for this market.
LED recessed downlight magnetic mounting, track light magnetic bases, LED strip magnetic mounting, movable lamp magnetic bases, and magnetic emergency light bases. The LED lighting industry prefers male thread stud series, easy to screw into the lamp housing.
Gift box magnetic closures, jewelry box magnetic latches, leather goods magnetic clasps, notebook magnetic closures, photo album magnetic closures, and handbag magnetic clasps. The gift packaging industry prefers small thin series (Ø10-Ø25, thickness 2-5 mm), holding force 5-50 N, with extremely high appearance standards.
Magnetic knife racks, magnetic tool racks, magnetic screwdriver racks, magnetic wrench holders, magnetic plier racks, and magnetic screw storage boxes. The tool rack industry prefers elongated shapes (racetrack / rectangular / bar type), holding force 50-300 N.
Magnetic hooks (circular with swivel hook), magnetic coat hooks, magnetic kitchen hangers, magnetic tool hooks, magnetic Christmas decoration hooks, and magnetic picture frame hooks. Hook series prefer swivel hook or foldable hook accessories.
Door catchers (door stops), magnetic door catches, magnetic cabinet locks, magnetic drawer locks, magnetic box locks, and magnetic display case locks. Door catch and latch industry prefers series with raised bosses, moderate holding force (30-100 N), with smooth open-close feel.
Magnetic whiteboard erasers, magnetic bookmarks, magnetic thumbtacks, magnetic label clips, magnetic photo frames, magnetic notebook clasps, and magnetic desk organizers. The stationery and office industry prefers small and attractive series (Ø8-Ø20), with high appearance and packaging standards.
Magnetic building blocks, magnetic puzzles, magnetic dolls, magnetic maze toys, magnetic refrigerator magnets, magnetic car model bases, and magnetic creative gift items. The toy and gift industry prefers custom shapes (cartoon shapes, brand LOGO shapes), with colorful options available through epoxy coating.
The first principle of pot magnet selection is that holding force requirements determine magnet size. For thin ferromagnetic plates (under 5 mm thickness, such as thin steel plate or galvanized plate), holding force is approximately 50-70% of the peak holding force. For thick ferromagnetic plates (over 10 mm thickness), holding force can approach the peak holding force. We recommend customers inform us of the thickness, material, and surface roughness of the material to be attracted, and FAIZEAL engineers will recommend the appropriate specification based on actual working conditions.
Countersunk mounting (countersink): For applications requiring a flush surface, paired with flat head socket cap screws, with screw heads recessed flush with the pot magnet surface. Common sizes M3-M10.
Through-hole mounting (through bore): For applications requiring through-bolt mounting, paired with bolts and nuts on both sides. Common sizes M3-M12.
Male thread stud (male stud): For insertion mounting, paired with nuts for locking or screwed into a threaded hole. Common sizes M3-M10.
Flat mount (no thread): For adhesive bonding, welding, or riveting mounting.
Room temperature indoor (<80°C): N35-N52 full range.
Medium temperature (80-120°C): N38M / N40M / N42M / N45M.
High temperature (120-180°C): N40SH / N42SH / N45SH.
Ultra-high temperature (180-200°C): N38EH / N35AH / N33AH.
Special high temperature (>200°C): Recommend switching to SmCo samarium cobalt magnets (FAIZEAL also offers custom SmCo pot magnets).
Indoor dry environment: Standard Ni-Cu-Ni plating.
Outdoor humid environment: Ni-Cu-Ni + epoxy coating (UV aging resistance).
Marine salt spray environment: PTFE coating / 316L stainless steel housing.
Chemical corrosion environment: PTFE coating / Hastelloy housing.
Food contact environment: Food-grade plating (NSF certified) + 316L stainless steel housing.
High temperature high humidity: Special coating + sealed design.
Prototype order (1-50 pieces): Standard per-unit price.
Small batch (50-500 pieces): Small-batch discount price.
Medium batch (500-5,000 pieces): Medium-batch discount price + production discount.
Large volume (5,000+ pieces): Annual framework price + long-term cooperation support.
FAIZEAL NdFeB pot magnets have successfully served 500+ global customers across 10 major industries: woodworking machinery, industrial fixtures, magnetic display, LED lighting, gift packaging, magnetic tools, magnetic hooks, magnetic latches, magnetic stationery, and toy gifts. Our pot magnet products are exported to 30+ countries and regions: USA, Germany, UK, France, Italy, Netherlands, Spain, Poland, Russia, Australia, Canada, Mexico, Brazil, Argentina, Japan, South Korea, India, Pakistan, Turkey, UAE, Saudi Arabia, Israel, South Africa, and more.
Quality Commitment: All FAIZEAL NdFeB pot magnets are 100% tested for holding force, dimensional accuracy, and visual quality before shipment. For any non-conforming products, FAIZEAL commits to 100% replacement or refund, including return shipping costs. All products come with a 12-month warranty (excluding human damage).
After-Sales Response: If any quality issues are found within 7 days of receiving products, customers can directly contact the FAIZEAL sales engineer. We will provide a resolution (replacement / return / refund) within 24 hours, ensuring zero-risk procurement.
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FAIZEAL — Integrated Sintered NdFeB Production + Precision CNC Machining + Magnetic Circuit Design. Monthly Capacity 100,000+ Units. Shipping to 30+ Countries. Factory Direct Pricing. Precision Craftsmanship. Full Customization. ISO 9001 Certified. English and Chinese Engineering Support.
