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neodymium magnets

We provide blue color magnetic Nd2Fe14B - our offer. All "neodymium magnets" in our store are in stock for immediate delivery (check the list). Check out the magnet pricing for more details see the magnet price list

Magnets for water searching F300 GOLD

Where to buy very strong neodymium magnet? Magnetic holders in airtight and durable steel enclosure are ideally suited for use in difficult, demanding climate conditions, including during rain and snow check

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MW 14x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010391

GTIN: 5906301811084

5

Diameter Ø

14 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

11.55 g

Magnetization Direction

↑ axial

Load capacity

7.74 kg / 75.9 N

Magnetic Induction

507.48 mT

Coating

[NiCuNi] nickel

6.84 with VAT / pcs + price for transport

5.56 ZŁ net + 23% VAT / pcs

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MW 14x10 / N38 - cylindrical magnet
Specification/characteristics MW 14x10 / N38 - cylindrical magnet
properties
values
Cat. no.
010391
GTIN
5906301811084
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
14 mm [±0,1 mm]
Height
10 mm [±0,1 mm]
Weight
11.55 g
Magnetization Direction
↑ axial
Load capacity ~ ?
7.74 kg / 75.9 N
Magnetic Induction ~ ?
507.48 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 exceptionally strong cylinder magnet, composed of durable NdFeB material, which, at dimensions of Ø14x10 mm, guarantees optimal power. The MW 14x10 / N38 component features high dimensional repeatability and industrial build quality, making it an excellent solution for the most demanding engineers and designers. As a magnetic rod with significant force (approx. 7.74 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.
It finds application in DIY projects, advanced robotics, and broadly understood industry, serving as a positioning or actuating element. Thanks to the pull force of 75.9 N with a weight of only 11.55 g, this cylindrical magnet is indispensable in electronics and wherever every gram matters.
Since our magnets have a tolerance of ±0.1mm, the recommended way is to glue them into holes with a slightly larger diameter (e.g., 14.1 mm) using epoxy glues. To ensure stability in industry, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.
Grade N38 is the most frequently chosen standard for industrial neodymium magnets, offering a great economic balance and operational stability. If you need even stronger magnets in the same volume (Ø14x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.
The presented product is a neodymium magnet with precisely defined parameters: diameter 14 mm and height 10 mm. The value of 75.9 N means that the magnet is capable of holding a weight many times exceeding its own mass of 11.55 g. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.
This cylinder is magnetized axially (along the height of 10 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is most desirable 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 through the diameter if your project requires it.

Strengths and weaknesses of NdFeB magnets.

Besides their remarkable strength, neodymium magnets offer the following advantages:

  • They retain magnetic properties for around 10 years – the drop is just ~1% (based on simulations),
  • Magnets effectively resist against loss of magnetization caused by ambient magnetic noise,
  • Thanks to the reflective finish, the layer of nickel, gold-plated, or silver gives an clean appearance,
  • They show high magnetic induction at the operating surface, which affects their effectiveness,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling action at temperatures approaching 230°C and above...
  • Possibility of accurate creating as well as optimizing to atypical conditions,
  • Significant place in electronics industry – they are utilized in magnetic memories, motor assemblies, medical equipment, as well as industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in tiny dimensions, which allows their use in small systems

Disadvantages of NdFeB magnets:

  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a strong case, which not only secures them against impacts but also increases their durability
  • When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They oxidize in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in realizing nuts and complicated forms in magnets, we recommend using cover - magnetic mechanism.
  • Health risk related to microscopic parts of magnets can be dangerous, if swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, small components of these devices are able to be problematic in diagnostics 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 it depends on?

Magnet power is the result of a measurement for optimal configuration, including:

  • with the contact of a sheet made of low-carbon steel, guaranteeing maximum field concentration
  • whose thickness equals approx. 10 mm
  • characterized by even structure
  • under conditions of gap-free contact (surface-to-surface)
  • for force acting at a right angle (in the magnet axis)
  • in temp. approx. 20°C

Lifting capacity in real conditions – factors

During everyday use, the actual holding force is determined by many variables, listed from most significant:

  • Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Direction of force – maximum parameter is available only during pulling at a 90° angle. The force required to slide of the magnet along the plate is usually several times lower (approx. 1/5 of the lifting capacity).
  • Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of generating force.
  • Metal type – not every steel attracts identically. High carbon content weaken the attraction effect.
  • Surface finish – ideal contact is possible only on smooth steel. Rough texture create air cushions, weakening the magnet.
  • Thermal factor – high temperature weakens pulling force. Too high temperature can permanently damage the magnet.

* Lifting capacity was determined using a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular pulling force, in contrast under attempts to slide the magnet the holding force is lower. Moreover, even a small distance {between} the magnet’s surface and the plate decreases the holding force.

Safe handling of neodymium magnets

Beware of splinters

Beware of splinters. Magnets can explode upon uncontrolled impact, launching sharp fragments into the air. Wear goggles.

Keep away from computers

Data protection: Neodymium magnets can damage data carriers and delicate electronics (heart implants, hearing aids, timepieces).

Nickel coating and allergies

Nickel alert: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction appears, immediately stop handling magnets and use protective gear.

Medical implants

People with a ICD must maintain an safe separation from magnets. The magnetism can disrupt the functioning of the life-saving device.

Compass and GPS

GPS units and mobile phones are extremely susceptible to magnetism. Direct contact with a powerful NdFeB magnet can decalibrate the internal compass in your phone.

Do not underestimate power

Before use, read the rules. Sudden snapping can break the magnet or injure your hand. Think ahead.

Crushing force

Big blocks can smash fingers instantly. Under no circumstances place your hand betwixt two strong magnets.

Product not for children

These products are not suitable for play. Swallowing multiple magnets can lead to them connecting inside the digestive tract, which poses a critical condition and requires urgent medical intervention.

Do not drill into magnets

Fire warning: Neodymium dust is explosive. Do not process magnets in home conditions as this may cause fire.

Maximum temperature

Standard neodymium magnets (grade N) lose magnetization when the temperature surpasses 80°C. This process is irreversible.

Danger!

Need more info? Check our post: Why are neodymium magnets dangerous?

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98