← previous
next →
Product available Ships today (order by 14:00)

MW 2x4 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010055

GTIN/EAN: 5906301810544

5.00

Diameter Ø

2 mm [±0,1 mm]

Height

4 mm [±0,1 mm]

Weight

0.09 g

Magnetization Direction

↑ axial

Load capacity

0.09 kg / 0.86 N

Magnetic Induction

597.70 mT / 5977 Gs

Coating

[NiCuNi] Nickel

see parameters »

0.209 ZŁ with VAT / pcs + price for transport

0.1700 ZŁ net + 23% VAT / pcs

bulk discounts:

Need more?
price from 1 pcs
0.1700 ZŁ
0.209 ZŁ
price from 5000 pcs
0.1496 ZŁ
0.1840 ZŁ
price from 10000 pcs
0.1445 ZŁ
0.1777 ZŁ
Carbon Footprint – environmental impact GPSR Regulation – product safety
Need advice?

Call us +48 22 499 98 98 if you prefer let us know through inquiry form our website.
Force as well as shape of a neodymium magnet can be checked using our force calculator.

Order by 14:00 and we’ll ship today!

Technical parameters of the product - MW 2x4 / N38 - cylindrical magnet

Specification / characteristics - MW 2x4 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010055
GTIN/EAN 5906301810544
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Diameter Ø 2 mm [±0,1 mm]
Height 4 mm [±0,1 mm]
Weight 0.09 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.09 kg / 0.86 N
Magnetic Induction ~ ? 597.70 mT / 5977 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 2x4 / N38 - cylindrical magnet
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
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

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 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Engineering modeling of the magnet - data

These information constitute the result of a physical simulation. Results were calculated on models for the class Nd2Fe14B. Operational parameters may differ. Treat these calculations as a reference point for designers.

Table 1: Static force (force vs gap) - power drop
MW 2x4 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5954 Gs
595.4 mT
 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
 safe
1 mm 1696 Gs
169.6 mT
 0.01 kg / 0.02 LBS
7.3 g / 0.1 N
 safe
2 mm 570 Gs
57.0 mT
 0.00 kg / 0.00 LBS
0.8 g / 0.0 N
 safe
3 mm 256 Gs
25.6 mT
 0.00 kg / 0.00 LBS
0.2 g / 0.0 N
 safe
5 mm 82 Gs
8.2 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
10 mm 15 Gs
1.5 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
15 mm 5 Gs
0.5 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
20 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
30 mm 1 Gs
0.1 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
50 mm 0 Gs
0.0 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 safe
Magnetic force decreases drastically per each millimeter of distance. Remember that even the smallest gap (e.g., contamination, paint, dust) strongly diminishes the holding power. Neodymiums work strongest in perfect adhesion; gap weakens the force. See how quickly the load capacity drop, when the magnet does not adhere tightly to the steel surface. When designing the arrangement, discard additional spacers.

Table 2: Sliding load (wall)
MW 2x4 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.02 kg / 0.04 LBS
18.0 g / 0.2 N
1 mm Stal (~0.2) 0.00 kg / 0.00 LBS
2.0 g / 0.0 N
2 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
3 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
5 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
The table below shows the approximate shear load sufficient to initiate the downward movement of the magnet down on a upright metal surface (assuming standard friction). The holding force varies with the distance between the magnet and the metal.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 2x4 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.03 kg / 0.06 LBS
27.0 g / 0.3 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.02 kg / 0.04 LBS
18.0 g / 0.2 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.01 kg / 0.02 LBS
9.0 g / 0.1 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.05 kg / 0.10 LBS
45.0 g / 0.4 N
When placing a magnet on a upright wall (e.g., a car body), it will only hold just approx. 1/5 of nominal attraction strength. Gravitational force as well as a low friction coefficient mean that magnets slip faster than they pop off the substrate. Designing a vertical fastening? Consider that the sliding force is noticeably lower than the maximum static pull force. On a slippery surface, the holder will slide down under a noticeably lighter load. Utilizing a rubberized coating can drastically improve the result.

Table 4: Material efficiency (saturation) - power losses
MW 2x4 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.01 kg / 0.02 LBS
9.0 g / 0.1 N
1 mm
25%
 0.02 kg / 0.05 LBS
22.5 g / 0.2 N
2 mm
50%
 0.05 kg / 0.10 LBS
45.0 g / 0.4 N
3 mm
75%
 0.07 kg / 0.15 LBS
67.5 g / 0.7 N
5 mm
100%
 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
10 mm
100%
 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
11 mm
100%
 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
12 mm
100%
 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
A thin metal plate cannot absorb the full magnetic flux, which weakens actual performance of the holder. If you install a neodymium to a weak sheet, the field will penetrate right through and the pull force will drop sharply. To utilize 100% of this magnet's potential, you require a sufficiently solid element of steel. The saturation phenomenon means that on sheet metal structures (e.g., thin profiles), the holder holds weaker. We recommend selecting the steel cross-section according to the table below.

Table 5: Working in heat (stability) - thermal limit
MW 2x4 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.09 kg / 0.20 LBS
90.0 g / 0.9 N
 OK
40 °C -2.2% 0.09 kg / 0.19 LBS
88.0 g / 0.9 N
 OK
60 °C -4.4% 0.09 kg / 0.19 LBS
86.0 g / 0.8 N
 OK
80 °C -6.6% 0.08 kg / 0.19 LBS
84.1 g / 0.8 N
100 °C -28.8% 0.06 kg / 0.14 LBS
64.1 g / 0.6 N
Ordinary NdFeB products lose parameters above the temperature limit. Avoid high temperatures – excessive heat can irreversibly destroy this product. With increasing heat, the magnet's power temporarily decreases. Avoid using this magnet close to heaters exceeding its operating temperature limit. Too high temperature will lead to irreversible degradation of magnetism.
*Engineering note: Temperature resistance is determined by both grade, as well as the dimension ratios. Low-profile magnets (low Pc) risk losing magnetic properties sooner than taller cylinders. Warning indicator in the table signals a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 2x4 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 0.69 kg / 1.51 LBS
6 090 Gs
0.10 kg / 0.23 LBS
103 g / 1.0 N
 N/A
1 mm 0.21 kg / 0.46 LBS
6 559 Gs
0.03 kg / 0.07 LBS
31 g / 0.3 N
 0.19 kg / 0.41 LBS
~0 Gs
2 mm 0.06 kg / 0.12 LBS
3 391 Gs
0.01 kg / 0.02 LBS
8 g / 0.1 N
 0.05 kg / 0.11 LBS
~0 Gs
3 mm 0.02 kg / 0.04 LBS
1 883 Gs
0.00 kg / 0.01 LBS
3 g / 0.0 N
 0.02 kg / 0.03 LBS
~0 Gs
5 mm 0.00 kg / 0.01 LBS
743 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
10 mm 0.00 kg / 0.00 LBS
165 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
20 mm 0.00 kg / 0.00 LBS
30 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
3 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
60 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
70 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
80 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
90 mm 0.00 kg / 0.00 LBS
0 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.00 LBS
0 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnetic products attract each other from a wider radius than a neodymium and metal setup. The connection of two magnets creates a more powerful interaction and a larger range of action. Designing a powerful holder? Utilize two neodymiums instead of a neodymium and a striker plate. Exercise caution that when bringing together two magnets, the impact force is massive. The repulsion force is marginally weaker than the connection force, but still significant.
*The magnetic induction between like poles drops to ~0 Gs in the exact middle of the gap (resulting from vector opposition).
Note: Figures refer to shear force of two same neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - precautionary measures
MW 2x4 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 2.0 cm
Hearing aid 10 Gs (1.0 mT) 1.5 cm
Mechanical watch 20 Gs (2.0 mT) 1.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 1.0 cm
Car key 50 Gs (5.0 mT) 1.0 cm
Payment card 400 Gs (40.0 mT) 0.5 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
Extremely neodym field poses a serious hazard to electronics and medical implants. These NdFeB products generate a field that disrupts operation of digital equipment. Be aware: the invisible magnetic field penetrates the body and plastic. Special caution must be exercised by people with hearing aids and drug dispensers. Also at risk are: mechanical watches, car keys, membranes, and displays. Do not bring the product near payment cards, HDD media, or precise measuring instruments.

Table 8: Collisions (cracking risk) - warning
MW 2x4 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 31.89 km/h
(8.86 m/s)
 0.00 J
30 mm 55.24 km/h
(15.34 m/s)
 0.01 J
50 mm 71.31 km/h
(19.81 m/s)
 0.02 J
100 mm 100.85 km/h
(28.01 m/s)
 0.04 J
Magnetic elements are very brittle – a strong collision with metal causes immediate chipping. Pay attention to connection velocity – a magnet released freely turns into a projectile. Striking energy can cause material chips or painful pinches to fingers. Be sure to control the product during mounting so it doesn't slam with momentum against the steel surface. A collision at high speed almost guarantees destruction of the neodymium. Wear safety glasses when handling with large magnets.

Table 9: Coating parameters (durability)
MW 2x4 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)
Neodymium magnets are highly susceptible to corrosion without proper protection. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Electrical data (Pc)
MW 2x4 / N38

Parameter Value SI Unit / Description
Magnetic Flux 209 Mx 2.1 µWb
Pc Coefficient 1.21 High (Stable)
Flux value emitted by the magnet pole. Key data for generator designers as well as sensors. The Pc coefficient determines the working geometry.

Table 11: Submerged application
MW 2x4 / N38

Environment Effective steel pull Effect
Air (land) 0.09 kg Standard
Water (riverbed) 0.10 kg
(+0.01 kg buoyancy gain)
+14.5%
Warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
The magnetic field penetrates through water without any losses. However, remember the water resistance when pulling the rope quickly.
1. Wall mount (shear)

*Note: On a vertical wall, the magnet retains only ~20% of its max power.

2. Efficiency vs thickness

*Thin steel (e.g. computer case) significantly reduces the holding force.

3. Temperature resistance

*For N38 material, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.21

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Engineering data and GPSR
Material specification
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Sustainability
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 010055-2026
Quick Unit Converter
Pulling force
Magnetic Field
Insert your figure into any field, to see the rest change automatically.

View also proposals

SM 32x500 [2xM8] / N42 - magnetic separator
Product available Ships today (order by 14:00)

SM 32x500 [2xM8] / N42 - magnetic separator

1488.30 ZŁ brutto / pcs
MW 10x6 / N38 - cylindrical magnet
Product available Ships today (order by 14:00)

MW 10x6 / N38 - cylindrical magnet

1.045 ZŁ brutto / pcs
SM 32x425 [2xM8] / N42 - magnetic separator
Product available Ships today (order by 14:00)

SM 32x425 [2xM8] / N42 - magnetic separator

1414.50 ZŁ brutto / pcs
JM 15x40 - jajka w pudełku/cena za parę - magnetic eggs
Product available Ships today (order by 14:00)

JM 15x40 - jajka w pudełku/cena za parę - magnetic eggs

7.00 ZŁ brutto / pcs
The offered product is a very strong cylinder magnet, composed of durable NdFeB material, which, at dimensions of Ø2x4 mm, guarantees the highest energy density. This specific item features high dimensional repeatability and industrial build quality, making it an excellent solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 0.09 kg), this product is in stock from our warehouse in Poland, ensuring quick order fulfillment. Additionally, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.
It successfully proves itself in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 0.86 N with a weight of only 0.09 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.
Since our magnets have a very precise dimensions, the best method is to glue them into holes with a slightly larger diameter (e.g., 2.1 mm) using two-component epoxy glues. To ensure stability in automation, 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 professional neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø2x4), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.
This model is characterized by dimensions Ø2x4 mm, which, at a weight of 0.09 g, makes it an element with impressive magnetic energy density. The value of 0.86 N means that the magnet is capable of holding a weight many times exceeding its own mass of 0.09 g. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.
Standardly, the magnetic axis runs through the center of the cylinder, causing the greatest attraction force to occur on the bases with a diameter of 2 mm. 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 through the diameter if your project requires it.

Strengths and weaknesses of Nd2Fe14B magnets.

Strengths

Besides their stability, neodymium magnets are valued for these benefits:
  • They do not lose strength, even after around 10 years – the decrease in lifting capacity is only ~1% (based on measurements),
  • They feature excellent resistance to magnetism drop as a result of opposing magnetic fields,
  • By covering with a smooth coating of silver, the element has an aesthetic look,
  • Neodymium magnets achieve maximum magnetic induction on a small area, which allows for strong attraction,
  • Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can work (depending on the shape) even at a temperature of 230°C or more...
  • Considering the possibility of accurate molding and customization to individualized projects, NdFeB magnets can be manufactured in a wide range of geometric configurations, which increases their versatility,
  • Universal use in high-tech industry – they are used in data components, drive modules, medical equipment, and multitasking production systems.
  • Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Weaknesses

Disadvantages of NdFeB magnets:
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We recommend keeping them in a special holder, which not only secures them against impacts but also increases their durability
  • Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
  • Magnets exposed to a humid environment can rust. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Limited ability of producing nuts in the magnet and complex shapes - preferred is cover - mounting mechanism.
  • Possible danger resulting from small fragments of magnets are risky, when accidentally swallowed, which becomes key in the context of child safety. It is also worth noting that small components of these magnets can disrupt the diagnostic process medical after entering the body.
  • Due to expensive raw materials, their price exceeds standard values,

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what contributes to it?

Breakaway force was determined for ideal contact conditions, taking into account:
  • with the use of a yoke made of special test steel, guaranteeing full magnetic saturation
  • possessing a massiveness of at least 10 mm to ensure full flux closure
  • with an ground contact surface
  • with zero gap (no paint)
  • under vertical force direction (90-degree angle)
  • in temp. approx. 20°C

Magnet lifting force in use – key factors

Bear in mind that the working load may be lower influenced by the following factors, starting with the most relevant:
  • Space between surfaces – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Loading method – catalog parameter refers to detachment vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of maximum force).
  • Wall thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Material type – the best choice is high-permeability steel. Cast iron may attract less.
  • Surface structure – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
  • Heat – neodymium magnets have a negative temperature coefficient. When it is hot they lose power, and in frost gain strength (up to a certain limit).

Lifting capacity was assessed by applying a polished steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, whereas under shearing force the load capacity is reduced by as much as 75%. Additionally, even a small distance between the magnet and the plate reduces the holding force.

H&S for magnets
Adults only

NdFeB magnets are not toys. Swallowing several magnets may result in them connecting inside the digestive tract, which constitutes a direct threat to life and requires urgent medical intervention.

Warning for allergy sufferers

It is widely known that the nickel plating (standard magnet coating) is a common allergen. If you have an allergy, avoid direct skin contact or select versions in plastic housing.

Dust is flammable

Powder created during machining of magnets is self-igniting. Do not drill into magnets without proper cooling and knowledge.

Crushing risk

Large magnets can break fingers in a fraction of a second. Never put your hand betwixt two attracting surfaces.

Electronic devices

Intense magnetic fields can destroy records on payment cards, HDDs, and storage devices. Keep a distance of min. 10 cm.

Maximum temperature

Regular neodymium magnets (N-type) lose magnetization when the temperature goes above 80°C. Damage is permanent.

Life threat

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

Fragile material

Despite the nickel coating, neodymium is brittle and not impact-resistant. Do not hit, as the magnet may shatter into hazardous fragments.

Respect the power

Handle with care. Rare earth magnets attract from a long distance and snap with massive power, often quicker than you can move away.

Compass and GPS

Be aware: rare earth magnets generate a field that interferes with precision electronics. Keep a separation from your mobile, tablet, and navigation systems.

Danger! Need more info? Read our article: Why are neodymium magnets dangerous?