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Products Overview

  • Ceramic (hard ferrite) bar magnets are among the most economical magnets available and are commonly used in holding, latches, science projects, toys, games, and crafts, as well as more technical applications such as sensing, actuating, and many others.
  • Ceramic magnets are not suited for high-temperature applications (over 250° C)

  • Ceramic bar magnets are a dark charcoal gray in color and do not appear metallic.

Ceramic Magnet Rectangles Specifications: Ceramic 5

Adams stocks ceramic rectangular bar magnets in Grade 5, magnetized through the thickness. Grade 8 is available by request; it is generally used in more demanding technical applications. Contact us at 800-763-4795 if you don't see what you're looking for in this brief listing.


Width Length Item#
0.187" 0.750" 1.000" w/ 0.187" hole 30C0005
0.190" 0.230" 0.870" 30C0014
0.219" 0.750" 2.500" 30C0057
0.250" 0.375" 2.000" 30C0042
0.375" 0.875" 1.750" 30C0011
0.387" 0.875" 1.875" 30C0012

For a comparison of Ceramic Grades 5 & 8, please see our Chart of Properties


Unless otherwise specified, the following tolerances apply:

Thickness: +/- 0.005 inches
Width and Length: +/- 2%