Description
HS Magnet’s Alnico 5 Suction (Pot) Magnet—D28.6×9×11.2 mm with M4 Thread—is precision-sintered and finished with a durable red epoxy coating. Engineered for robust holding force in a compact package, this pot-style magnet features a threaded M4 hole for easy mounting in fixtures, jigs, sensors and display assemblies.
Key Features
• Magnetic Grade & Performance
– Grade: Alnico 5
– Remanence (Br): 1.18 – 1.25 T
– Maximum energy product (BHₘₐₓ): 5.5 – 6.0 MGOe
– Intrinsic coercivity (Hcb): ≈ 45 kA/m
– Temperature coefficient of Br: +0.02 %/°C
– Maximum operating temperature: 520 °C
• Dimensions & Mounting
– Outer diameter (D₁): 28.6 mm
– Magnet height: 9.0 mm
– Base diameter (D₂): 11.2 mm
– Thread: M4 × 0.7 mm, depth 6 mm
– Tolerances: ± 0.1 mm
• Finish & Coating
– Red epoxy paint for corrosion resistance and aesthetic appeal
– Smooth, burr-free edges for safe handling
• Packaging & Quality
– Individually wrapped in anti-corrosion paper
– Packed in foam-lined trays or polybags to prevent chipping
– Full batch traceability with material certificates and magnetic test reports






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