Description
HS Magnet’s Alnico 6 Red-Spray-Paint Suction Magnet (D28.6 × 9 mm, Ø11.2 mm bore with M4 thread) is designed for reliable mounting, holding and positioning in demanding industrial applications. The high-coercivity Alnico 6 alloy delivers a stable magnetic field, while the bright red epoxy-like spray paint offers corrosion resistance and easy visibility.
Key Features
- Magnetic Grade: Alnico 6 (Al–Ni–Co class 6)
- Remanence (Br): 1.10 – 1.20 T
- Maximum Energy Product (BHₘₐₓ): 5.0 – 5.6 MGOe
- Intrinsic Coercivity (Hcb): ≈ 60 kA/m
- Max. Operating Temperature: 550 °C
- Temperature Coefficient of Br: +0.02 %/°C
- Durable red spray-paint finish for corrosion protection
Dimensions & Mechanical Details
- Outer Diameter (D): 28.60 mm ± 0.05 mm
- Thickness (T): 9.00 mm ± 0.05 mm
- Center Bore: Ø11.20 mm for M4 threaded fastener
- Thread: M4 × 0.7 mm
- Precision-machined, burr-free surfaces
Typical Applications
- Suction-cup mounting in automation and robotics
- Fixtures and jigs for assembly lines
- Holding and positioning of metal sheets or tooling
- Magnetic chucks for light machining and grinding
Why Choose HS Magnet?
- Over 20 years of Alnico alloy expertise, from formulation through magnetization
- Tight dimensional tolerances (± 0.05 mm) and 100 % magnetic inspection
- Red spray-paint finish customizable to other colors or nickel plating
- Flexible quantities: rapid prototypes to large-volume production
- Global logistics network and responsive technical support
Contact HS Magnet today to request samples, custom magnetization patterns or a volume quote for our D28.6 × 9 × Ø11.2 × M4 Alnico 6 suction magnets.






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