12mm x 6mm Neodymium Disc Magnet – N52 Grade | Water-Resistant Black Epoxy Coating

Key Features:

• Dimensions: 12mm Diameter × 6mm Thickness
• Corrosion-Resistant Coating: Premium Black Epoxy resin shell protects against moisture, salt spray, and oxidation
• Deep-Field Cylinder Profile: Heavy-duty 6mm thickness creates massive magnetic volume and deep-reaching flux penetration
• Precision Tolerance: ±0.05mm 
• Magnet Grade: N52 
• Pull Force: Approx. 11.9 lbs 
• Magnetization: Axially magnetized (Poles on the flat circular faces)

Material Description:

Our 12mm x 6mm N52 black epoxy coated disc magnets provide a highly resilient, commercial-grade fastening solution for heavy-duty projects exposed to damp, high-humidity, or marine conditions. Unlike standard triple-layer nickel plating which can oxidize, flake, or corrode over time in demanding environments, the continuous black epoxy resin finish forms an airtight shield over the rare-earth core. The substantial 6mm thickness provides deep magnetic field projection, allowing it to easily pull through thick non-magnetic barriers like wood veneers, fiberglass, heavy fabrics, or plastics. The matte black finish also provides a professional, rugged look for industrial equipment and consumer hardware.

Handling Advice: DANGER: Formidable N52 rare earth magnets require strict handling care. Sintered neodymium is inherently brittle like ceramic. At 6mm thickness, these magnets possess high snap velocity and attract with over 15 lbs of raw force. High-velocity impact from snapping magnets together or colliding with steel surfaces can cause the core to shatter violently into sharp fragments or breach the protective epoxy layer. Always separate individual pieces by sliding them off the stack rather than pulling apart vertically, and keep them spaced far apart during assembly.

Warnings and Safety Information:

• Severe Crush Hazard: High risk of serious skin and finger pinching, blood blisters, or bruising. Handle with care.
• Brittle Core Warning: High-impact collisions or dropping onto hard surfaces will fracture the core or chip the coating.
• CHOKING HAZARD: Keep securely stored and out of reach of children and pets.
• Medical Safety: KEEP AWAY from pacemakers and sensitive medical implants at all times.

Applications:

• Heavy moisture-resistant hidden latches for marine cabinetry, access hatches, and outdoor equipment doors
• Concealed anchoring systems for large removable vehicle graphics, heavy signage, and exhibition frames
• Deep-field proximity sensor targets, reed switch activations, and high-vibration Hall-effect setups in damp environments
• Heavy-duty structural mounting points for 3D-printed rugged industrial housings, battery packs, and covers
• Secure mechanical attachment points for manufacturing jigs, workshop tool organization, and magnetic separators