tel: +48 22 499 98 98

neodymium magnets

We provide yellow color magnetic Nd2Fe14B - our proposal. All "neodymium magnets" in our store are available for immediate purchase (see the list). Check out the magnet pricing for more details see the magnet price list

Magnet for treasure hunters F300 GOLD

Where to buy very strong magnet? Holders with magnets in airtight, solid steel casing are excellent for use in difficult weather conditions, including snow and rain see...

magnetic holders

Magnetic holders can be applied to improve production processes, exploring underwater areas, or searching for meteorites from gold more...

Shipping always shipped on the day of purchase by 2:00 PM on business days.

Dhit sp. z o.o.
Product available Ships today (order by 14:00)

MPL 5x5x1.2 / N38 - lamellar magnet

lamellar magnet

Catalog no 020171

GTIN: 5906301811770

5

length [±0,1 mm]

5 mm

Width [±0,1 mm]

5 mm

Height [±0,1 mm]

1.2 mm

Weight

0.23 g

Magnetization Direction

↑ axial

Load capacity

0.47 kg / 4.61 N

Magnetic Induction

245.17 mT

Coating

[NiCuNi] nickel

0.1845 with VAT / pcs + price for transport

0.1500 ZŁ net + 23% VAT / pcs

bulk discounts:

Need more?

price from 1 pcs
0.1500 ZŁ
0.1845 ZŁ
price from 4000 pcs
0.1410 ZŁ
0.1734 ZŁ
price from 17000 pcs
0.1320 ZŁ
0.1624 ZŁ

Looking for a better price?

Call us now +48 888 99 98 98 or contact us through request form the contact form page.
Weight along with appearance of a magnet can be tested on our modular calculator.

Order by 14:00 and we’ll ship today!

MPL 5x5x1.2 / N38 - lamellar magnet

Specification/characteristics MPL 5x5x1.2 / N38 - lamellar magnet
properties
values
Cat. no.
020171
GTIN
5906301811770
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
length
5 mm [±0,1 mm]
Width
5 mm [±0,1 mm]
Height
1.2 mm [±0,1 mm]
Weight
0.23 g [±0,1 mm]
Magnetization Direction
↑ axial
Load capacity ~ ?
0.47 kg / 4.61 N
Magnetic Induction ~ ?
245.17 mT
Coating
[NiCuNi] nickel
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N38

properties
values
units
remenance Br [Min. - Max.] ?
12.2-12.6
kGs
remenance Br [Min. - Max.] ?
1220-1260
T
coercivity bHc ?
10.8-11.5
kOe
coercivity bHc ?
860-915
kA/m
actual internal force iHc
≥ 12
kOe
actual internal force iHc
≥ 955
kA/m
energy density [Min. - Max.] ?
36-38
BH max MGOe
energy density [Min. - Max.] ?
287-303
BH max KJ/m
max. temperature ?
≤ 80
°C

Physical properties of NdFeB

properties
values
units
Vickers hardness
≥550
Hv
Density
≥7.4
g/cm3
Curie Temperature TC
312 - 380
°C
Curie Temperature TF
593 - 716
°F
Specific resistance
150
μΩ⋅Cm
Bending strength
250
Mpa
Compressive strength
1000~1100
Mpa
Thermal expansion parallel (∥) to orientation (M)
(3-4) x 106
°C-1
Thermal expansion perpendicular (⊥) to orientation (M)
-(1-3) x 10-6
°C-1
Young's modulus
1.7 x 104
kg/mm²

Shopping tips

Magnetic plates are distinguished by a large contact surface, which provides stable fixation. Variant MPL 5x5x1.2 / N38 is made of neodymium material, which guarantees high holding capacity of 0.47 kg while maintaining a small thickness. Their geometric shape fits perfectly for building separators, furniture systems, and mounting with 3M tape. Furthermore, they are secured by a durable Ni-Cu-Ni anti-corrosion coating.
Disconnecting strong flat magnets should be done by sliding them apart, rather than trying to pull them straight off. Try sliding one magnet to the side until the force decreases. We recommend caution, because magnets can snap back together, which is painful. With bigger magnets, it is worth using the edge of a table for leverage. Important: never try to pry them with metal tools, as you can damage the brittle material.
These versatile magnets are the foundation for many industrial devices. They are utilized in filters catching filings, linear motors, and also in carpentry as strong closers. Due to their shape, they are easy to glue to walls, casings, or tools using double-sided tape. They are also popular for organizing workshops and in DIY projects.
Yes, neodymium magnets can be placed one on top of another. Combining two magnets with attracting poles boosts the set's power, although it won't double the force (depending on dimensions). This is a great way to build a more powerful system without buying a larger magnet. However, be careful to exercise caution during joining, as the attraction force can be dangerous for hands.
To stick neodymium magnets, we recommend using strong epoxy glues, such as epoxy resin. They guarantee the best adhesion and are safe for the coating. For smaller magnets, 3M VHB mounting tape will also work. Before gluing degrease the surface with alcohol, which improves durability.
Most of our blocks are magnetized along the smallest dimension. In practice, the N and S poles are on the largest flat surfaces. This ensures maximum pull force when mounted to a metal sheet. Rarely, magnets are magnetized through the length or width, which are available on request for motor applications.

Advantages as well as disadvantages of neodymium magnets NdFeB.

Besides their magnetic performance, neodymium magnets are valued for these benefits:

  • They have unchanged lifting capacity, and over more than ten years their attraction force decreases symbolically – ~1% (according to theory),
  • They remain magnetized despite exposure to magnetic noise,
  • Thanks to the shiny finish and silver coating, they have an aesthetic appearance,
  • The outer field strength of the magnet shows remarkable magnetic properties,
  • These magnets tolerate extreme temperatures, often exceeding 230°C, when properly designed (in relation to profile),
  • With the option for customized forming and targeted design, these magnets can be produced in various shapes and sizes, greatly improving application potential,
  • Key role in cutting-edge sectors – they are used in computer drives, rotating machines, medical equipment along with high-tech tools,
  • Thanks to their concentrated strength, small magnets offer high magnetic performance, with minimal size,

Disadvantages of neodymium magnets:

  • They are fragile when subjected to a sudden impact. If the magnets are exposed to physical collisions, it is suggested to place them in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from damage , and at the same time reinforces its overall strength,
  • Magnets lose magnetic efficiency when exposed to temperatures exceeding 80°C. In most cases, this leads to irreversible magnetic decay (influenced by the magnet’s form). To address this, we provide [AH] models with superior thermal resistance, able to operate even at 230°C or more,
  • Magnets exposed to humidity can rust. Therefore, for outdoor applications, it's best to use waterproof types made of non-metallic composites,
  • Limited ability to create threads in the magnet – the use of a magnetic holder is recommended,
  • Health risk from tiny pieces may arise, when consumed by mistake, which is significant in the family environments. Additionally, minuscule fragments from these assemblies might complicate medical imaging once in the system,
  • In cases of large-volume purchasing, neodymium magnet cost may be a barrier,

Maximum lifting force for a neodymium magnet – what contributes to it?

The given lifting capacity of the magnet corresponds to the maximum lifting force, measured in the best circumstances, namely:

  • with mild steel, serving as a magnetic flux conductor
  • having a thickness of no less than 10 millimeters
  • with a refined outer layer
  • with zero air gap
  • under perpendicular detachment force
  • at room temperature

Practical aspects of lifting capacity – factors

Practical lifting force is determined by factors, listed from the most critical to the less significant:

  • Air gap between the magnet and the plate, as even a very small distance (e.g. 0.5 mm) causes a drop in lifting force of up to 50%.
  • Direction of applied force, because the maximum lifting capacity is achieved under perpendicular application. The force required to slide the magnet along the plate is usually several times lower.
  • Thickness of the plate, as a plate that is too thin causes part of the magnetic flux not to be used and to remain wasted in the air.
  • Material of the plate, because higher carbon content lowers holding force, while higher iron content increases it. The best choice is steel with high magnetic permeability and high saturation induction.
  • Surface of the plate, because the more smooth and polished it is, the better the contact and consequently the greater the magnetic saturation.
  • Operating temperature, since all permanent magnets have a negative temperature coefficient. This means that at high temperatures they are weaker, while at sub-zero temperatures they become slightly stronger.

* Lifting capacity testing was performed on plates with a smooth surface of suitable thickness, under perpendicular forces, whereas under attempts to slide the magnet the load capacity is reduced by as much as fivefold. Moreover, even a slight gap {between} the magnet’s surface and the plate lowers the lifting capacity.

Exercise Caution with Neodymium Magnets

Neodymium magnets are the strongest magnets ever invented. Their strength can shock you.

On our website, you can find information on how to use neodymium magnets. This will help you avoid injuries and prevent damage to the magnets.

 It is important to maintain neodymium magnets out of reach from children.

Neodymium magnets are not toys. You cannot allow them to become toys for children. In such a situation, surgery is necessary to remove them. In the worst case scenario, it can result in death.

Dust and powder from neodymium magnets are highly flammable.

Avoid drilling or mechanical processing of neodymium magnets. Once crushed into fine powder or dust, this material becomes highly flammable.

Neodymium Magnets can attract to each other, pinch the skin, and cause significant swellings.

Magnets will attract each other within a distance of several to around 10 cm from each other. Remember not to put fingers between magnets or in their path when they attract. Magnets, depending on their size, can even cut off a finger or there can be a severe pressure or a fracture.

Neodymium magnets can demagnetize at high temperatures.

While Neodymium magnets can demagnetize at high temperatures, it's important to note that the extent of this effect can vary based on factors such as the magnet's material, shape, and intended application.

Keep neodymium magnets away from TV, wallet, and computer HDD.

Neodymium magnets generate strong magnetic fields that can damage magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, or other devices. They can also damage videos, televisions, CRT computer monitors. Do not forget to keep neodymium magnets away from these electronic devices.

Never bring neodymium magnets close to a phone and GPS.

Neodymium magnets are a source of intense magnetic fields that cause interference with magnetometers and compasses used in navigation, as well as internal compasses of smartphones and GPS devices.

Neodymium magnets should not be near people with pacemakers.

Neodymium magnets produce strong magnetic fields that can interfere with the operation of a heart pacemaker. However, if the magnetic field does not affect the device, it can damage its components or deactivate the device when it is in a magnetic field.

Neodymium magnets are incredibly fragile, they easily crack and can become damaged.

Neodymium magnets are highly fragile, and by joining them in an uncontrolled manner, they will crumble. Magnets made of neodymium are made of metal and coated with a shiny nickel, but they are not as durable as steel. In the event of a collision between two magnets, there may be a scattering of fragments in different directions. Protecting your eyes is crucial in such a situation.

The magnet coating is made of nickel, so be cautious if you have an allergy.

Studies show a small percentage of people have allergies to certain metals, including nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Exercise caution!

Please see the article - What danger lies in neodymium magnets? You will learn how to handle them properly.

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98