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neodymium magnets

We provide red color magnets Nd2Fe14B - our proposal. Practically all "neodymium magnets" in our store are available for immediate purchase (check the list). See the magnet pricing for more details check the magnet price list

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MW 6x2 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010092

GTIN: 5906301810919

5

Diameter Ø [±0,1 mm]

6 mm

Height [±0,1 mm]

2 mm

Weight

0.42 g

Magnetization Direction

↑ axial

Load capacity

0.66 kg / 6.47 N

Magnetic Induction

343.37 mT

Coating

[NiCuNi] nickel

0.246 with VAT / pcs + price for transport

0.200 ZŁ net + 23% VAT / pcs

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MW 6x2 / N38 - cylindrical magnet
Specification/characteristics MW 6x2 / N38 - cylindrical magnet
properties
values
Cat. no.
010092
GTIN
5906301810919
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
6 mm [±0,1 mm]
Height
2 mm [±0,1 mm]
Weight
0.42 g [±0,1 mm]
Magnetization Direction
↑ axial
Load capacity ~ ?
0.66 kg / 6.47 N
Magnetic Induction ~ ?
343.37 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 sintered neodymium magnets Nd2Fe14B at 20°C

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

The presented product is an extremely powerful cylindrical magnet, composed of durable NdFeB material, which, at dimensions of Ø6x2 mm, guarantees the highest energy density. The MW 6x2 / N38 model is characterized by high dimensional repeatability and industrial build quality, making it an excellent solution for the most demanding engineers and designers. As a magnetic rod with impressive force (approx. 0.66 kg), this product is in stock from our European logistics center, ensuring quick order fulfillment. Moreover, its triple-layer Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
It successfully proves itself in modeling, advanced automation, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 6.47 N with a weight of only 0.42 g, this rod is indispensable in electronics and wherever low weight is crucial.
Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this professional component. To ensure stability in industry, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Grade N38 is the most frequently chosen standard for industrial neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø6x2), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.
The presented product is a neodymium magnet with precisely defined parameters: diameter 6 mm and height 2 mm. The key parameter here is the lifting capacity amounting to approximately 0.66 kg (force ~6.47 N), which, with such defined dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 2 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is standard when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Advantages as well as disadvantages of NdFeB magnets.

Apart from their superior holding force, neodymium magnets have these key benefits:

  • They have unchanged lifting capacity, and over around ten years their performance decreases symbolically – ~1% (in testing),
  • They show high resistance to demagnetization induced by presence of other magnetic fields,
  • In other words, due to the reflective layer of nickel, the element is aesthetically pleasing,
  • Magnets exhibit excellent magnetic induction on the working surface,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, allowing for operation at temperatures approaching 230°C and above...
  • Thanks to freedom in designing and the capacity to modify to specific needs,
  • Key role in high-tech industry – they find application in hard drives, electromotive mechanisms, advanced medical instruments, as well as modern systems.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Cons of neodymium magnets and ways of using them

  • At strong impacts they can crack, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Neodymium magnets decrease their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
  • They rust in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • We recommend a housing - magnetic mechanism, due to difficulties in realizing nuts inside the magnet and complicated forms.
  • Health risk to health – tiny shards of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child safety. Furthermore, tiny parts of these devices are able to complicate diagnosis medical in case of swallowing.
  • High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities

Highest magnetic holding forcewhat affects it?

The load parameter shown refers to the maximum value, recorded under laboratory conditions, specifically:

  • using a plate made of low-carbon steel, serving as a ideal flux conductor
  • with a thickness of at least 10 mm
  • with an polished touching surface
  • under conditions of gap-free contact (surface-to-surface)
  • during detachment in a direction perpendicular to the mounting surface
  • at standard ambient temperature

Magnet lifting force in use – key factors

It is worth knowing that the application force may be lower influenced by elements below, starting with the most relevant:

  • Distance – the presence of any layer (paint, dirt, air) interrupts the magnetic circuit, which lowers capacity steeply (even by 50% at 0.5 mm).
  • Loading method – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
  • Substrate thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
  • Steel grade – ideal substrate is high-permeability steel. Stainless steels may have worse magnetic properties.
  • Surface condition – ground elements ensure maximum contact, which improves force. Rough surfaces weaken the grip.
  • Thermal factor – high temperature weakens magnetic field. Too high temperature can permanently demagnetize the magnet.

* Holding force was tested on the plate surface of 20 mm thickness, when the force acted perpendicularly, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap {between} the magnet and the plate decreases the holding force.

H&S for magnets

Handling guide

Use magnets consciously. Their immense force can surprise even experienced users. Stay alert and respect their power.

Health Danger

Health Alert: Neodymium magnets can deactivate heart devices and defibrillators. Do not approach if you have medical devices.

Flammability

Dust created during grinding of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Keep away from computers

Do not bring magnets near a wallet, laptop, or screen. The magnetic field can permanently damage these devices and wipe information from cards.

Allergic reactions

A percentage of the population have a contact allergy to Ni, which is the standard coating for NdFeB magnets. Extended handling can result in skin redness. We strongly advise wear protective gloves.

Danger to the youngest

Neodymium magnets are not intended for children. Accidental ingestion of a few magnets can lead to them pinching intestinal walls, which poses a critical condition and requires immediate surgery.

Material brittleness

Despite metallic appearance, neodymium is brittle and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.

Keep away from electronics

A powerful magnetic field disrupts the operation of magnetometers in phones and navigation systems. Keep magnets near a device to prevent damaging the sensors.

Finger safety

Protect your hands. Two large magnets will join immediately with a force of several hundred kilograms, crushing anything in their path. Be careful!

Demagnetization risk

Keep cool. NdFeB magnets are sensitive to heat. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Caution!

Details about hazards in the article: Magnet Safety Guide.

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98