TEF Rect4350BT - Rectangle Magnet - 101.60mm long x 76.21mm wide x 12.70mm th - N50 - Black PTFE Coated


Length 4" (101.60mm)
Width 3" (76.21mm)
Thickness 0.500" (12.70mm)
Grade Neodymium 50
Max Working Temp 60°C
Coating Black PTFE
Direction of Magnetism Through thickness
MOQ 1
Price:
Sale price$125.00
Stock:
In stock (3 units), ready to be shipped

Additional Resources

Pull Force Calculator

Estimate holding power for your application.

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Coating Specifications

Compare different coatings for corrosion resistance, and durability to choose the right option for your specific application.

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Material Grades & Curves

Explore Neodymium & Samarium Cobalt magnet material specs and BH curves to ensure proper material selection for your specific application.

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Custom Solutions

SuperMagnetMan is the e-commerce brand of SM Magnetics, here to make it easy to get the magnets you need for prototyping, testing, or small-scale use. When you're ready for a custom solution—whether that’s a fully engineered magnetic system, simulation support, or a complete assembly—our team at SM Magnetics is ready to help you bring it to life.

About the Product

Neodymium rectangle magnets — also called rectangular rare earth magnets or block magnets— provide very high force density with flat, stable mounting faces, making them ideal for fixtures and test rigs. Common uses include workholding and jigs, structural prototype assemblies, linear actuators and guides, and array builds for flux-path experiments. The rectangular geometry simplifies alignment, shimming, and air gap tuning during validation. Select grade and magnetization to meet required field strength and temperature margin (standard NdFeB grades operate around 80–100 °C, with high-temperature variants available). Choose coatings to suit the environment, then verify pull with the calculator and review material data and tolerances before moving to production

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