20mm x 1mm (25/32" x 1/32") Neodymium Disc Magnet – N52 Grade 

Key Features:

• Dimensions: 20mm Diameter × 1mm Thickness
• Precision Tolerance: ±0.05mm 
• Magnet Grade: N52 
• Pull Force: Approx. 3.32 lbs 
• Coating: Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer plating for a professional finish
• Magnetization: Axially magnetized (Poles on the large flat circular faces)
• Shape: Low-Profile Wide Disc

Material Description:

Our 20x1mm N52 discs are designed for professional engineering and high-end craft projects where a broad magnetic surface is needed but vertical space is nearly non-existent. The 20mm diameter provides a massive surface area for adhesive bonding, making it highly resistant to being pulled out of its housing. At just 1mm thick, these magnets can be hidden behind thin veneers, within luxury stationery, or recessed into shallow cavities for a completely invisible closure solution.

Handling Advice: NOTICE: These magnets are exceptionally thin and brittle. Due to the N52 strength and large diameter-to-thickness ratio, they are prone to snapping if allowed to jump toward metal surfaces or each other. Always separate them by sliding the top magnet off the stack horizontally and handle with care to avoid shattering the brittle neodymium core.

Warnings and Safety Information:

• Fragility Hazard: Will shatter if allowed to snap together with force. Handle like thin glass.
• Choking Hazard: Keep strictly away from children and pets; small size is a major ingestion risk.
• Medical Safety: KEEP AWAY from pacemakers and sensitive medical implants at all times.
• Electronics: Safe for modern devices at a distance, but avoid direct contact with magnetic storage media.

Applications:

• "Invisible" magnetic closures for large luxury portfolios, boxes, and wedding invitations
• Ultra-slim mounting for wide retail signage, lightweight graphics, and tabletop displays
• Flush-mounted removable panels for large 3D-printed enclosures
• Concealed fasteners for high-end leathercraft and wide-strap accessories
• Precision sensor triggers where a wide target area is required for alignment