Super Strong N52 Neodymium Disc Magnet D40*20mm

Dimensions: Diameter 40mm x Thickness 20mm Tolerance: ±0.1 x ±0.1 Material: NdFeB N52 Plating/Coating: Nickel Plating Magnetization direction: Axial, 20mm Maximum working temperature: 80ºC(176ºF) Br: 14,500 Gauss BH(max): 52 MGOe

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Description

HS Magnet’s Super-Strong Neodymium Disc Magnet N52 (Ø40 × 20 mm) combines exceptional magnetic performance with a compact form factor. Crafted from top-grade NdFeB alloy and precision-ground to tight tolerances, this disc magnet delivers outstanding flux density, impressive pull force and reliable stability for the most demanding uses.

Key Features

  • Material & Magnetic Properties
    • Grade: NdFeB N52
    • Remanence (Br): ≈ 1.48 T
    • Maximum energy product (BHₘₐₓ): ≈ 52 MGOe
    • Intrinsic coercivity (Hci): ≈ 950 kA/m
    • Max. operating temperature: 80 °C (upgrade to 100 °C available)
  • Dimensions & Tolerances
    • Diameter: Ø 40.00 mm
    • Thickness: 20.00 mm
    • Standard tolerance: ± 0.10 mm (± 0.05 mm optional)
  • Surface & Coating
    • Standard: Ni–Cu–Ni triple layer for corrosion resistance
    • Optional: Zn, epoxy or parylene coatings
    • Precision-ground faces and chamfered edges
  • Packaging & Handling
    • Individually foam-wrapped to prevent chipping
    • Supplied in plastic trays or custom bulk kits
    • Includes magnetic warning labels and safe-handling instructions

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