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neodymium magnets

We offer yellow color magnets Nd2Fe14B - our proposal. All "magnets" on our website are available for immediate purchase (see the list). Check out the magnet pricing for more details see the magnet price list

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Where to buy very strong neodymium magnet? Magnet holders in solid and airtight steel casing are perfect for use in variable and difficult weather, including in the rain and snow see

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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

bulk discounts:

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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

This product is an incredibly powerful rod magnet, manufactured from durable NdFeB material, which, with dimensions of Ø6x2 mm, guarantees optimal power. This specific item features an accuracy of ±0.1mm and professional build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 0.66 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.
This model is ideal for building electric motors, advanced Hall effect sensors, and efficient filters, where maximum induction on a small surface counts. Thanks to the pull force of 6.47 N with a weight of only 0.42 g, this rod is indispensable in electronics and wherever low weight is crucial.
Since our magnets have a tolerance of ±0.1mm, the best method is to glue them into holes with a slightly larger diameter (e.g., 6.1 mm) using two-component epoxy glues. To ensure long-term durability in automation, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Magnets N38 are suitable for the majority of applications in automation and machine building, where excessive miniaturization with maximum force is not required. 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 available off-the-shelf in our warehouse.
This model is characterized by dimensions Ø6x2 mm, which, at a weight of 0.42 g, makes it an element with impressive magnetic energy density. The value of 6.47 N means that the magnet is capable of holding a weight many times exceeding its own mass of 0.42 g. The product has a [NiCuNi] coating, which secures it 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. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized diametrically if your project requires it.

Advantages as well as disadvantages of neodymium magnets.

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

  • Their magnetic field remains stable, and after around 10 years it decreases only by ~1% (theoretically),
  • They possess excellent resistance to weakening of magnetic properties due to external magnetic sources,
  • The use of an refined coating of noble metals (nickel, gold, silver) causes the element to present itself better,
  • Neodymium magnets ensure maximum magnetic induction on a contact point, which ensures high operational effectiveness,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • In view of the potential of flexible shaping and customization to custom solutions, magnetic components can be modeled in a wide range of shapes and sizes, which makes them more universal,
  • Key role in innovative solutions – they find application in mass storage devices, electric motors, advanced medical instruments, and technologically advanced constructions.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in small systems

Disadvantages of NdFeB magnets:

  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
  • We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • We recommend casing - magnetic mount, due to difficulties in realizing threads inside the magnet and complex forms.
  • Potential hazard resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the aspect of protecting the youngest. Additionally, small elements of these products are able to complicate diagnosis medical when they are in the body.
  • With large orders the cost of neodymium magnets can be a barrier,

Detachment force of the magnet in optimal conditionswhat contributes to it?

The specified lifting capacity concerns the peak performance, obtained under ideal test conditions, specifically:

  • with the contact of a yoke made of low-carbon steel, ensuring maximum field concentration
  • with a thickness of at least 10 mm
  • characterized by lack of roughness
  • under conditions of no distance (surface-to-surface)
  • under vertical application of breakaway force (90-degree angle)
  • at ambient temperature room level

Key elements affecting lifting force

It is worth knowing that the working load may be lower depending on the following factors, in order of importance:

  • Air gap (between the magnet and the plate), since even a microscopic clearance (e.g. 0.5 mm) leads to a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
  • Load vector – highest force is available only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly several times lower (approx. 1/5 of the lifting capacity).
  • Steel thickness – insufficiently thick plate does not accept the full field, causing part of the flux to be lost to the other side.
  • Metal type – different alloys attracts identically. Alloy additives weaken the attraction effect.
  • Surface condition – smooth surfaces ensure maximum contact, which improves field saturation. Rough surfaces weaken the grip.
  • Temperature – temperature increase results in weakening of induction. Check the maximum operating temperature for a given model.

* Lifting capacity testing was carried out on a smooth plate of optimal thickness, under a perpendicular pulling force, whereas under shearing force the holding force is lower. Additionally, even a small distance {between} the magnet and the plate reduces the load capacity.

Safe handling of NdFeB magnets

No play value

NdFeB magnets are not suitable for play. Accidental ingestion of a few magnets can lead to them attracting across intestines, which poses a direct threat to life and requires urgent medical intervention.

Demagnetization risk

Regular neodymium magnets (N-type) undergo demagnetization when the temperature exceeds 80°C. Damage is permanent.

Impact on smartphones

An intense magnetic field interferes with the operation of magnetometers in smartphones and navigation systems. Do not bring magnets near a smartphone to avoid damaging the sensors.

Crushing force

Risk of injury: The pulling power is so great that it can cause blood blisters, crushing, and even bone fractures. Protective gloves are recommended.

Nickel coating and allergies

Nickel alert: The nickel-copper-nickel coating contains nickel. If an allergic reaction occurs, immediately stop handling magnets and use protective gear.

Handling guide

Handle magnets consciously. Their powerful strength can surprise even experienced users. Be vigilant and respect their power.

Machining danger

Drilling and cutting of NdFeB material poses a fire hazard. Magnetic powder oxidizes rapidly with oxygen and is difficult to extinguish.

Medical implants

People with a ICD have to keep an large gap from magnets. The magnetic field can interfere with the operation of the implant.

Cards and drives

Equipment safety: Strong magnets can damage data carriers and sensitive devices (heart implants, hearing aids, timepieces).

Protective goggles

NdFeB magnets are ceramic materials, which means they are very brittle. Collision of two magnets leads to them breaking into shards.

Danger!

Need more info? Check our post: Are neodymium magnets dangerous?

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98