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These 3/8" x 1/16" N42 neodymium disc magnets are a reliable choice when you need a wider surface area with a slim profile. The 3/8" diameter provides excellent contact for a more secure hold, while the 1/16" thickness keeps them low-profile and easy to place, embed, or conceal in projects.

Made from N42 grade rare earth neodymium, these magnets offer a solid balance of strength and control. They deliver dependable holding power for everyday use, crafts, and small builds without being overly aggressive to handle. Each magnet features a smooth nickel coating that helps protect against wear and corrosion while maintaining a clean, polished appearance.

Common Applications:

  • Holding notes, photos, and documents on metal surfaces
  • DIY crafts, models, and custom builds
  • Magnetic closures for boxes, lids, or panels
  • Embedding into wood, plastic, or resin
  • Organizing tools, parts, or hardware
  • Office, classroom, or home use



Nickel-Copper-Nickel triple layer coated for maximum neodymium rare earth magnets durability and protection against corrosion

Nickel + Copper + Nickel 3-layer coating vs. Epoxy single layer coating

Nickel + Copper + Nickel 3-layer coating is much more durable than Epoxy single layer coating because Epoxy single layer coating is a thin layer of plastic and quicker to wear off, even a scratch can damage the coating easily.

More importantly, magnets with
Nickel + Copper + Nickel 3-layer coating have superior cracking and chipping resistance in comparison to magnets with Epoxy single layer coating. Customer beware of the magnets with inferior coating.

BrMax: 13200 gauss

Stronger bottle cap magnet for fridge magnets.

Magnetized through the Thickness

Contact us for bottle cap magnets or other neodymium rare earth magnets wholesale discount

Approximate pull force: 2.2 lbs

From Martha Stewart Living, January 2008
Bottle-Cap Magnets and Thumbtacks

A homey take on the traditional locket, bottle caps inset with small black-and-white pictures, right, can be used as thumbtacks or magnets. Clear resin is poured into the caps to seal the photos and give them an appealing glossy finish.

Twist-off caps are better than conventional ones because they don't bend when removed. For appropriately small images, try cutting details from large photos. Or, if your software has a contact-sheet mode, use it to reduce pictures drastically.

Tools and Materials
1-inch circular craft punch
Craft glue
Bottle caps
Clear casting resin
Contact cement
Small magnets or thumbtacks

Magnets and Thumbtacks How-To
1. Using the craft punch, cut out pictures. Using craft glue, attach one picture to the inside of each bottle cap. Let dry.

2. Cover a work surface to protect it from spills, and lay caps on top. Following manufacturer's instructions for clear casting resin, fill each bottle cap to the rim. Let dry overnight.

3. Using contact cement, attach magnets or thumbtacks to the backs of the bottle caps. Let dry overnight before using.

Frequently Bought Together

Total price$ 89.74

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