tel: +48 22 499 98 98

neodymium magnets

We offer red color magnets Nd2Fe14B - our offer. All magnesy neodymowe in our store are in stock for immediate delivery (check the list). See the magnet price list for more details check the magnet price list

Magnets for searching F400 GOLD

Where to buy very strong neodymium magnet? Magnet holders in airtight and durable steel enclosure are perfect for use in challenging climate conditions, including in the rain and snow check...

magnetic holders

Holders with magnets can be used to enhance production processes, underwater discoveries, or locating space rocks from gold more information...

Order always shipped if the order is placed by 2:00 PM on working days.

Dhit sp. z o.o. logo
Product available shipping tomorrow

UMC 32x11/3x8 / N38 - cylindrical magnetic holder

cylindrical magnetic holder

Catalog no 320409

GTIN: 5906301814658

5

Diameter [±0,1 mm]

32 mm

internal diameter Ø [±0,1 mm]

11/3 mm

Height [±0,1 mm]

8 mm

Weight

36 g

Load capacity

23 kg / 225.55 N

Coating

[NiCuNi] nickel

17.98 with VAT / pcs + price for transport

14.62 ZŁ net + 23% VAT / pcs

bulk discounts:

Need more?

price from 1 pcs
14.62 ZŁ
17.98 ZŁ
price from 24 pcs
13.74 ZŁ
16.90 ZŁ
price from 55 pcs
12.87 ZŁ
15.82 ZŁ

Hunting for a discount?

Pick up the phone and ask +48 22 499 98 98 if you prefer drop us a message via request form the contact page.
Specifications and appearance of a magnet can be analyzed using our magnetic calculator.

Same-day shipping for orders placed before 14:00.

UMC 32x11/3x8 / N38 - cylindrical magnetic holder

Specification/characteristics UMC 32x11/3x8 / N38 - cylindrical magnetic holder
properties
values
Cat. no.
320409
GTIN
5906301814658
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter
32 mm [±0,1 mm]
internal diameter Ø
11/3 mm [±0,1 mm]
Height
8 mm [±0,1 mm]
Weight
36 g [±0,1 mm]
Load capacity ~ ?
23 kg / 225.55 N
Coating
[NiCuNi] nickel
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N38

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

Advantages as well as disadvantages of neodymium magnets NdFeB.

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

  • They virtually do not lose power, because even after ten years, the decline in efficiency is only ~1% (in laboratory conditions),
  • Their ability to resist magnetic interference from external fields is impressive,
  • In other words, due to the shiny silver coating, the magnet obtains an aesthetic appearance,
  • Magnetic induction on the surface of these magnets is very strong,
  • These magnets tolerate high temperatures, often exceeding 230°C, when properly designed (in relation to profile),
  • The ability for precise shaping as well as adjustment to custom needs – neodymium magnets can be manufactured in many forms and dimensions, which amplifies their functionality across industries,
  • Important function in cutting-edge sectors – they find application in computer drives, electric drives, medical equipment or even other advanced devices,
  • Compactness – despite their small size, they provide high effectiveness, making them ideal for precision applications

Disadvantages of neodymium magnets:

  • They are fragile when subjected to a strong impact. If the magnets are exposed to mechanical hits, 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 strengthens its overall strength,
  • They lose strength at increased temperatures. Most neodymium magnets experience permanent reduction in strength when heated above 80°C (depending on the geometry and height). However, we offer special variants with high temperature resistance that can operate up to 230°C or higher,
  • Magnets exposed to humidity can rust. Therefore, for outdoor applications, we recommend waterproof types made of coated materials,
  • The use of a protective casing or external holder is recommended, since machining threads in neodymium magnets is restricted,
  • Safety concern from tiny pieces may arise, in case of ingestion, which is notable in the health of young users. Additionally, minuscule fragments from these devices have the potential to complicate medical imaging after being swallowed,
  • High unit cost – neodymium magnets are more expensive than other types of magnets (e.g., ferrite), which can restrict large-scale applications

Caution with Neodymium Magnets

Neodymium magnets should not be near people with pacemakers.

Neodymium magnets generate strong magnetic fields. As a result, they interfere with the operation of a pacemaker. This is because many of these devices are equipped with a function that deactivates the device in a magnetic field.

Dust and powder from neodymium magnets are flammable.

Avoid drilling or mechanical processing of neodymium magnets. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

Neodymium magnetic are extremely delicate, they easily crack and can crumble.

In the event of a collision between two neodymium magnets, it can result in them getting chipped. Despite being made of metal and coated with a shiny nickel plating, they are not as hard as steel. At the moment of collision between the magnets, tiny sharp metal fragments can be propelled in various directions at high speed. Eye protection is recommended.

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

Magnets attract each other within a distance of several to about 10 cm from each other. Remember not to insert fingers between magnets or alternatively in their path when attract. Depending on how large the neodymium magnets are, they can lead to a cut or alternatively a fracture.

Neodymium magnets can demagnetize at high temperatures.

Despite the fact that magnets have been observed to maintain their efficacy up to temperatures of 80°C or 175°F, it's essential to consider that this threshold may fluctuate depending on the magnet's type, configuration, and intended usage.

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

To handle magnets properly, it is best to familiarize yourself with our information beforehand. This will help you avoid significant harm to your body and the magnets themselves.

Keep neodymium magnets away from GPS and smartphones.

Intense magnetic fields generated by neodymium magnets interfere with compasses and magnetometers used in navigation, as well as internal compasses of smartphones and GPS devices.

 It is important to maintain neodymium magnets away from children.

Not all neodymium magnets are toys, so do not let children play with them. In such a situation, surgery is necessary to remove them. In the worst case scenario, it can result in death.

You should maintain neodymium magnets at a safe distance from the wallet, computer, and TV.

Magnetic fields generated by neodymium magnets can damage magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other similar devices. In addition, they can damage televisions, VCRs, computer monitors, and CRT displays. You should especially avoid placing neodymium magnets near electronic devices.

If you have a nickel allergy, avoid contact with neodymium magnets.

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, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Caution!

So you are aware of why neodymium magnets are so dangerous, read the article titled How dangerous are very strong neodymium magnets?.

Dhit sp. z o.o. logo

e-mail: bok@dhit.pl

tel: +48 888 99 98 98