This round base rare-earth neodymium (NdFeB) cup magnet is made with A3 steel plate and coated with Nickel-Copper-Nickel-Epoxy to be the strongest type of permanent magnet available.
The countersunk hole allows many types of mounting applications including hook, knob, or included eyebolt. Screw it into a wall to hold tools, or position and hold lights, signs, and more.
Please note that holding power of 350 lbs is tested on unpainted horizontal ½” steel plate. Mounting on a vertical or painted surface will reduce holding power by up to 70%.Specifications:
Dimensions: 2.95” x .70”
Hole Diameter: .39”
Material: NdFeB Magnets + A3 Steel Plate
Pulling Force: 350lbs
Epoxy coated magnets are a great option for outdoors or in a humid environment. Not recommended for high temperature or abrasive conditions. If used for magnet fishing, the epoxy coating will wear off.