Magcraft NSN0571 3/16-Inch by 3/16-Inch by 3/16-Inch Rare Earth Cube Magnets, 50-Count

Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These cube magnets are 0.188"(4.8mm) Long x 0.188"(4.8mm) Wide x 0.188"(4.8mm) Thick. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 3.3 lbs. Maximum working temperature is 176 F (80 C). Magnets may chip and crack if allowed to snap together...

Features:

• Neodymium iron boron (NdFeB) rare earth magnets
• Grade - N40
• Dimensional tolerance - +/-0.005 Inch
• Plating - nickel-copper-nickel
• Maximum working temperature - 176-Degree Fahrenheit (80-Degree Celsius)

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