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5/8 x 1/8 Inch Neodymium Rare Earth Black Epoxy Coated Disc Magnets N52 with 3M Self-Adhesive (14 Pack)

5/8 x 1/8 Inch N52 neodymium disc magnets with 3M VHB 4943 adhesive, black epoxy-coated, in stacks

5/8 x 1/8 Inch Neodymium Rare Earth Black Epoxy Coated Disc Magnets N52 with 3M Self-Adhesive (14 Pack)

  • $ 22.99 USD $23.99


✓ In Stock - Ships Free Within 1 Business Day

Buy More and Save up to 35%
Quantity of Packs Price per Pack Discount
Buy 2 $21.85/pack 5% Off
Buy 3 $20.70/pack 10% Off
Buy 5 $19.55/pack 15% Off
Buy 10 $18.40/pack 20% Off
Buy 25 $17.25/pack 25% Off
Buy 50 $16.10/pack 30% Off
Buy 100 $14.95/pack 35% Off
Need more than 100 packs? Email us for a quote.


Magnet Specifications

Imperial Size 0.625 x 0.125 Inch (Diameter x Thickness)
Metric Size 15.875 x 3.175 mm (Diameter x Thickness)
Material Grade N52
Pull Force 10.2 lbs
Coating Black Epoxy
Adhesive Type 3M™ VHB™ 4943
Magnetization Direction Axially - Pair
Magnet Material Sintered Neodymium (NdFeB)
Tolerance +/- 0.004 Inches
Max Operating Temperature 80°C / 176°F
Surface Field 2,748 Gauss
Flux Density (Br) 14,800 Gauss
Magnet Weight 5.0 Grams
Part Number D58X18N52-BE-3M-14PK
Quantity Included 14 Disc Magnets

Produced in an ISO 9001 Facility
Manufactured to Meet RoHS & REACH Standards



Magnet Description

Our super strong 5/8 x 1/8 inch neodymium rare earth permanent disc magnets offer a powerful fastening solution in a relatively small footprint. With a pull force of 10.2 lbs, these grade N52 magnets are perfect for a wide range of applications, from home improvement projects to industrial and business use, as well as scientific research.

In home improvement projects, they can be used for DIY projects like building a magnetic knife holder or a magnetic spice rack, or even to secure art pieces on the wall.

In industrial and business applications, these magnets are ideal for holding metal objects in place during welding or assembly processes. They can also be used to hold signs or banners in place, making them ideal for trade shows or outdoor events.

These magnets also work well in leather goods, medical devices, X-ray shields, and more. Unlike other fasteners like velcro, which can be bulky and noticeable, magnets can be completely hidden from view, making them ideal for applications where aesthetics are important. Additionally, magnets are long-lasting and can withstand wear and tear better than other fasteners like adhesive or velcro.

If you're looking for a versatile and reliable fastener, our 5/8 x 1/8 inch grade N52 rare earth neodymium disc magnets are an excellent choice. Order now and experience the strength of these impressive magnets in your next project!


Black Epoxy Coating

Epoxy coated magnets are commonly used in industrial and commercial applications due to their exceptional corrosion and chemical resistance, making them ideal for outdoor or marine environments.

Interested in more epoxy coated magnets? Shop our full selection of waterproof epoxy coated magnets.


Sold in Matched North/South Pairs

This pack includes 7 magnets with the adhesive on the north face and 7 with the adhesive on the south face, so one of each makes a pair that attracts.

Stick one magnet from each group to opposite surfaces, such as a door and its frame, and their exposed faces will pull together. Test which magnets attract before you peel the liners, because the adhesive can't be repositioned once it's pressed down. If one side is steel instead, any magnet in the pack will work.

Need a different north/south split? Please contact us.

Learn more:
Are the Countersunk and Self-Adhesive Magnets Paired Equally North/South?


How to Apply the Adhesive

Clean the surface, press the magnet firmly into place, and wait 24 hours before putting any load on it. The 3M VHB 4943 adhesive on these magnets reaches about 90% of its strength in 24 hours and full strength in 72 hours.

  1. Wipe the surface with isopropyl alcohol (70% rubbing alcohol works) and let it dry.
  2. Line the magnet up before you press it down. The adhesive grabs on contact and can't be moved.
  3. Press hard across the whole magnet with your thumb or a roller. Firm pressure is what makes the bond.
  4. Wait 24 hours before light use, and 72 hours before daily opening and closing or heavy loads.

The adhesive works best on smooth, non-porous surfaces: metal, glass, ceramic, hard plastics such as acrylic and polycarbonate, painted surfaces and sealed wood. Test powder-coated surfaces first. It bonds poorly to slick plastics like polyethylene and polypropylene, and to porous materials like raw wood, concrete and fabric. For raw wood, concrete and other porous surfaces, use a liquid glue such as Starbond Super Glue for Magnets instead.

Learn more:
What Is the Best Way to Work With Self-Adhesive Magnets?
How Should I Glue Magnets?


Dimensions are nominal; see the drawing for tolerances. STEP files open in SolidWorks, Fusion, Onshape, FreeCAD and most other CAD software.