Dailymag N40 Magnets
N40 magnets are one of the neodymium magnet grades. It comes with different measurements, thicknesses, and diameters. These magnets are available with strong pull force ranging up to 7 pounds or 3.18kg. N40 magnets are made using boron, iron, and neodymium. It is commonly designed with Nickel-Copper-Nickel coating for oxidation and corrosion resistance.
Here in Daiymag, you can find the broadest selection of N40 magnets in different shapes and sizes. We provide N40 magnets that can resist up to 80⁰C temperature. Dailymag manufactures all types of N40 magnets with high-level machining ability, stable quality, and high performance. We also offer OEM and ODM, free samples, and a service guarantee for your projects.
Please send us your inquiries today!

We manufacture N40 spherical neodymium magnets that performs for different application such as speakers and more.

Dailymag manufactures N40 heavy-duty block magnets with nickel coating and up to 2,886 gauss surface ratings.

Our rectangular cuboid N40 block magnets feature magnetized direction through 10mm height. It also comes with custom thickness.

We manufacture N40 cylinder disc magnets that are available in 12.7mm diameter. It also features 7.18kg holding force.

Our N40 strong disc magnets are suitable for different applications including jewellery box closure, fridge magnets, and more.

Dailymag offers rare earth N40 block magnets that are brittle. It features nickel plating and is made from sintered neodymium material.
N40 Magnets by Sizes

These are available in square shape with 2125 gauss surface field and nickel coating.

We offer 3/8 x 1/32-Inch Diameter N40 Thin Disc Magnets with up to 1061 gauss surface field.

Dailymag offers 6mm x 3mm N40 Strong Rare Earth Magnets for crafts and scientific applications.

We manufacture ¾ x ¼ x 1/16-Inch Flat Rectangular Magnets that feature 2.1525 lbs pull force.

Our ¾ x ½ x 1/4-Inch Block Rectangular Magnets are available in 3867 gauss surface field.

We offer 3/8 x 1/10-Inch Diameter Neodymium Disc Magnets that have nickel coating.
Specifications
- Up to 6-inch diameter (round)
- Up to 3-inch thickness
- Nickel-plated coating/finish
- Up to 700 lbs pull force


Technical Data Specification and Parameters
Neodymium Magnet Grade | N40 |
Magnetization | Axially magnetized |
Coating | Nickel-Copper-Nickel |
Maximum Working Temperature | Up to 135⁰C |
Curie Temperature | 310⁰C |
Density | 0.275 lb/in3 |
HC | 12400 Oersteds |
HCI | 12000 Oersteds |
N40 magnets are designed with approximately 7 lbs of pull force. It has up to 0.125 inch diameter and 0.675 inch thickness.