Description
HS Magnet’s Alnico 5 bar magnet (69 × 7.69 × 7.16 mm) is engineered for high-performance magnetic-clamp applications in machine tools, fixtures and workholding devices. CNC-ground on all faces, this slender block delivers consistent flux, exceptional temperature stability and tight dimensional control to secure tooling and parts with repeatable holding force.
Key Features
– Magnetic Properties
• Grade: Alnico 5
• Remanence (Br): ≈ 1.20 – 1.30 T
• Maximum energy product (BHₘₐₓ): ≈ 5.8 MGOe
• Intrinsic coercivity (Hcb): ≈ 45 kA/m
• Temperature coefficient of Br: +0.02 %/°C
• Maximum operating temperature: 540 °C
– Dimensions & Tolerances
• Nominal size: 69.00 × 7.69 × 7.16 mm
• Standard tolerance: ± 0.10 mm (ultra-tight ± 0.05 mm available)
• CNC-ground faces ensure flatness, parallelism and squareness
– Finish & Coatings
• Natural grey sintered surface
• Optional corrosion-resistant plating: Ni–Cu–Ni, tin or epoxy
– Packaging & Quality Assurance
• Individually wrapped in anti-corrosion paper
• Shipped in foam-lined trays or polybags to prevent chipping
• Full batch traceability with material certificates and magnetic test reports
• Custom packaging: blister packs, wooden crates or bulk cartons
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