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MW 7x1.5 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010393

GTIN/EAN: 5906301811091

5.00
Load capacity 0.69 kg / 6.75 N Magnetic Induction 243.98 mT / 2440 Gs
Diameter Ø
7 mm [±0,1 mm]
Height
1.5 mm [±0,1 mm]
Weight
0.43 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

view properties »

0.300 zł net / pcs

0.369 zł with VAT (23% VAT) / pcs

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Frequently asked questions

What is the maximum working temperature of a disc magnet?
Standard N-series grades work up to 80 °C. Grades N50, N52 and N54 have a lower limit of 60 °C, because coercivity falls as BHmax rises. Higher temperatures require the H (120 °C), SH (150 °C), UH (180 °C), EH (200 °C) or AH (230 °C) series. Within the working range the magnet loses about 0.11% of its induction per degree, and that loss is reversible.
What is the difference between N38, N42 and N52?
The number after N is the energy product BHmax. Moving from N38 to N52 raises it by several tens of percent, but the real holding force increases by roughly 20%, because force also depends on geometry and on the magnetic circuit. N52 costs about twice as much as N42, so for most mounting work N38–N42 is the best price-to-force ratio.
What is the dimensional tolerance?
±0.1 mm as standard, ±0.05 mm to order. The tolerance is stated next to the dimensions on every product page.

Guides from the knowledge base

Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

PDF report Calculator
Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical of the product - MW 7x1.5 / N38 - cylindrical magnet

Specification / characteristics - MW 7x1.5 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010393
GTIN/EAN 5906301811091
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 7 mm [±0,1 mm]
Height 1.5 mm [±0,1 mm]
Weight 0.43 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.69 kg / 6.75 N
Magnetic Induction ~ ? 243.98 mT / 2440 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 7x1.5 / N38 - cylindrical magnet
properties values units
Remanence Br ? 12.2-12.6 kGs
Remanence Br ? 1220-1260 mT
Coercivity bHc ? 10.8-11.5 kOe
Coercivity bHc ? 860-915 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 36-38 BH max MGOe
Energy product BHmax ? 287-303 BH max KJ/m
Maximum working 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 310 °C
Curie Temperature TF 590 °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

Technical simulation of the magnet - data

The following values constitute the outcome of a mathematical simulation. Results were calculated on algorithms for the material Nd2Fe14B. Actual conditions may differ from theoretical values. Please consider these calculations as a supplementary guide for designers.

Table 1: Static force (force vs distance) - power drop
MW 7x1.5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2438 Gs
243.8 mT
 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
 low risk
1 mm 1900 Gs
190.0 mT
 0.42 kg / 0.92 lbs
419.1 g / 4.1 N
 low risk
2 mm 1308 Gs
130.8 mT
 0.20 kg / 0.44 lbs
198.6 g / 1.9 N
 low risk
3 mm 859 Gs
85.9 mT
 0.09 kg / 0.19 lbs
85.7 g / 0.8 N
 low risk
5 mm 380 Gs
38.0 mT
 0.02 kg / 0.04 lbs
16.7 g / 0.2 N
 low risk
10 mm 79 Gs
7.9 mT
 0.00 kg / 0.00 lbs
0.7 g / 0.0 N
 low risk
15 mm 27 Gs
2.7 mT
 0.00 kg / 0.00 lbs
0.1 g / 0.0 N
 low risk
20 mm 12 Gs
1.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
30 mm 4 Gs
0.4 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
50 mm 1 Gs
0.1 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
Grip strength decreases drastically per each millimeter of distance. Note that even the smallest gap (e.g., dirt, paint, veneer) noticeably diminishes the holding power. Magnetic products operate strongest at the point of direct contact; distance drastically cuts the power. Analyze how rapidly the parameters fall, when the product does not touch flatly to the steel surface. When designing the assembly, discard redundant distances.

Table 2: Vertical load (vertical surface)
MW 7x1.5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.14 kg / 0.30 lbs
138.0 g / 1.4 N
1 mm Stal (~0.2) 0.08 kg / 0.19 lbs
84.0 g / 0.8 N
2 mm Stal (~0.2) 0.04 kg / 0.09 lbs
40.0 g / 0.4 N
3 mm Stal (~0.2) 0.02 kg / 0.04 lbs
18.0 g / 0.2 N
5 mm Stal (~0.2) 0.00 kg / 0.01 lbs
4.0 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
This section defines the theoretical holding capacity required to initiate the downward movement of the magnet downwards against a vertical steel wall (assuming typical friction). This value is a function of the separation distance between the magnet and the surface.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 7x1.5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.21 kg / 0.46 lbs
207.0 g / 2.0 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.14 kg / 0.30 lbs
138.0 g / 1.4 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.07 kg / 0.15 lbs
69.0 g / 0.7 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.35 kg / 0.76 lbs
345.0 g / 3.4 N
When mounting a holder on a vertical surface (e.g., a board), it will only hold only about 20%-30% of nominal attraction strength. Gravity as well as a low friction coefficient influence the fact that holders slip faster than they pop off the substrate. Planning a vertical fastening? Note that the sliding force is much weaker than the perpendicular breakaway force. On a painted metal, the magnet will slip down under a much lighter weight. Application of an anti-slip layer can drastically increase the grip.

Table 4: Steel thickness (saturation) - power losses
MW 7x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.07 kg / 0.15 lbs
69.0 g / 0.7 N
1 mm
25%
 0.17 kg / 0.38 lbs
172.5 g / 1.7 N
2 mm
50%
 0.35 kg / 0.76 lbs
345.0 g / 3.4 N
3 mm
75%
 0.52 kg / 1.14 lbs
517.5 g / 5.1 N
5 mm
100%
 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
10 mm
100%
 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
11 mm
100%
 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
12 mm
100%
 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
A thin metal plate cannot conduct the entire magnetic field, which squanders power of the holder. If you install a neodymium to a weak sheet, the field will pass right through and the pull force will drop sharply. To squeeze the maximum of this magnet's power, you require a sufficiently solid backing of metal. The material oversaturation causes that on sheet metal structures (e.g., appliance housings), the holder holds weaker. We suggest choosing the steel cross-section according to the table below.

Table 5: Working in heat (stability) - power drop
MW 7x1.5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.69 kg / 1.52 lbs
690.0 g / 6.8 N
 OK
40 °C -2.2% 0.67 kg / 1.49 lbs
674.8 g / 6.6 N
 OK
60 °C -4.4% 0.66 kg / 1.45 lbs
659.6 g / 6.5 N
80 °C -6.6% 0.64 kg / 1.42 lbs
644.5 g / 6.3 N
100 °C -28.8% 0.49 kg / 1.08 lbs
491.3 g / 4.8 N
Classic neodymiums change their properties parameters past the thermal threshold. Watch out for overheating – high temperature can permanently demagnetize this product. As the temperature rises, the magnet's power briefly lowers. Avoid using this product near heat sources higher than its working range. Exceeding the critical threshold will lead to irreversible degradation of magnetic properties.
*Important note: Temperature resistance is determined by both grade, as well as the dimension ratios. Flat magnets (low Pc) risk losing magnetic properties at lower temperatures compared to rod magnets. The danger warning in the table points to permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 7x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.41 kg / 3.11 lbs
4 025 Gs
0.21 kg / 0.47 lbs
212 g / 2.1 N
 N/A
1 mm 1.15 kg / 2.53 lbs
4 398 Gs
0.17 kg / 0.38 lbs
172 g / 1.7 N
 1.03 kg / 2.28 lbs
~0 Gs
2 mm 0.86 kg / 1.89 lbs
3 801 Gs
0.13 kg / 0.28 lbs
129 g / 1.3 N
 0.77 kg / 1.70 lbs
~0 Gs
3 mm 0.60 kg / 1.33 lbs
3 185 Gs
0.09 kg / 0.20 lbs
90 g / 0.9 N
 0.54 kg / 1.19 lbs
~0 Gs
5 mm 0.27 kg / 0.59 lbs
2 125 Gs
0.04 kg / 0.09 lbs
40 g / 0.4 N
 0.24 kg / 0.53 lbs
~0 Gs
10 mm 0.03 kg / 0.08 lbs
759 Gs
0.01 kg / 0.01 lbs
5 g / 0.1 N
 0.03 kg / 0.07 lbs
~0 Gs
20 mm 0.00 kg / 0.00 lbs
159 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
13 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
8 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
5 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
3 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
2 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
2 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnets interact from a much further distance than a magnet and steel combination. The connection of magnet-to-magnet creates a more powerful interaction and a wider radius of operation. Designing a powerful holder? Use a pair of magnets instead of a neodymium and a steel. Be careful that when connecting a pair of magnets, the pinch force is massive. The levitation is marginally weaker than the connection force, but still impressive.
*Field value between like poles is approximately ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
Important: Figures show sliding force of a pair of same neodymium magnets (friction ~0.15 for Ni-Ni layer).

Table 7: Hazards (implants) - warnings
MW 7x1.5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 3.0 cm
Hearing aid 10 Gs (1.0 mT) 2.5 cm
Mechanical watch 20 Gs (2.0 mT) 2.0 cm
Mobile device 40 Gs (4.0 mT) 1.5 cm
Remote 50 Gs (5.0 mT) 1.5 cm
Payment card 400 Gs (40.0 mT) 0.5 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
Powerful magnet radiation poses a large risk to IT equipment as well as medical implants. These magnets produce a field that disrupts operation of sensitive medical devices. Notice: the invisible magnetic field passes through tissues and housings. Increased vigilance must be exercised by people with cochlear implants and insulin pumps. The risk also applies to: mechanical watches, remotes, membranes, and displays. Do not place the magnet near cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (cracking risk) - warning
MW 7x1.5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 25.50 km/h
(7.08 m/s)
 0.01 J
30 mm 25.52 km/h
(7.09 m/s)
 0.01 J
50 mm 25.52 km/h
(7.09 m/s)
 0.01 J
100 mm 25.53 km/h
(7.09 m/s)
 0.01 J
Neodymium magnets are delicate – a violent impact against metal causes immediate chipping. Control the attraction moment – a magnet released freely turns into a projectile. Kinetic force can destroy the magnet or injury to fingers. Be sure to control the product during mounting so it doesn't hit violently against the metal. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when working with large magnets.

Table 9: Anti-corrosion coating durability
MW 7x1.5 / 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)
For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (Flux)
MW 7x1.5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 075 Mx 10.8 µWb
Pc Coefficient 0.31 Low (Flat)
Flux value passing through the magnet pole. Essential parameter when building generators as well as sensors. Pc value defines the working geometry.

Table 11: Physics of underwater searching
MW 7x1.5 / N38

Environment Effective steel pull Effect
Air (land) 0.69 kg Standard
Water (riverbed) 0.79 kg
(+0.10 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.
Water displaces steel, making heavy objects slightly lighter. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Wall mount (shear)

*Warning: On a vertical wall, the magnet retains merely a fraction of its perpendicular strength.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) significantly weakens the holding force.

3. Heat tolerance

*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) = 0.31

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.

Technical specification and ecology

Elemental analysis

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%

Ecology and recycling (GPSR)

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: 010393-2026
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This product is an extremely powerful cylindrical magnet, composed of durable NdFeB material, which, with dimensions of Ø7x1.5 mm, guarantees the highest energy density. This specific item is characterized by high dimensional repeatability and professional build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 0.69 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring quick order fulfillment. Moreover, its Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.
It finds application in modeling, advanced automation, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 6.75 N with a weight of only 0.43 g, this rod is indispensable in electronics and wherever every gram matters.
Due to the brittleness of the NdFeB material, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this professional component. 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.
Magnets NdFeB grade N38 are strong enough for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø7x1.5), 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 Ø7x1.5 mm, which, at a weight of 0.43 g, makes it an element with impressive magnetic energy density. The key parameter here is the lifting capacity amounting to approximately 0.69 kg (force ~6.75 N), which, with such defined dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface against oxidation, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 1.5 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.

Pros and cons of rare earth magnets.

Benefits

Apart from their strong magnetism, neodymium magnets have these key benefits:
  • They have constant strength, and over around ten years their performance decreases symbolically – ~1% (according to theory),
  • They possess excellent resistance to weakening of magnetic properties when exposed to opposing magnetic fields,
  • A magnet with a smooth nickel surface is more attractive,
  • The surface of neodymium magnets generates a powerful magnetic field – this is one of their assets,
  • 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...
  • Possibility of accurate creating as well as adjusting to atypical requirements,
  • Huge importance in innovative solutions – they are utilized in computer drives, electric drive systems, diagnostic systems, also modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which makes them useful in compact constructions

Disadvantages

Disadvantages of neodymium magnets:
  • At very strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • NdFeB magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
  • We suggest casing - magnetic mount, due to difficulties in producing threads inside the magnet and complicated shapes.
  • Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small components of these magnets are able to complicate diagnosis medical after entering the body.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Pull force analysis

Detachment force of the magnet in optimal conditions – what contributes to it?

The lifting capacity listed is a theoretical maximum value conducted under standard conditions:
  • using a plate made of mild steel, acting as a ideal flux conductor
  • whose transverse dimension is min. 10 mm
  • characterized by even structure
  • without the slightest insulating layer between the magnet and steel
  • for force acting at a right angle (pull-off, not shear)
  • at temperature approx. 20 degrees Celsius

Lifting capacity in practice – influencing factors

Effective lifting capacity is affected by specific conditions, such as (from priority):
  • Gap between magnet and steel – every millimeter of separation (caused e.g. by veneer or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
  • Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of generating force.
  • Plate material – mild steel attracts best. Alloy steels lower magnetic properties and lifting capacity.
  • Surface finish – ideal contact is obtained only on polished steel. Rough texture create air cushions, weakening the magnet.
  • Thermal factor – high temperature weakens magnetic field. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity was measured by applying a smooth steel plate of suitable thickness (min. 20 mm), under vertically applied force, whereas under attempts to slide the magnet the holding force is lower. In addition, even a small distance between the magnet and the plate lowers the lifting capacity.

H&S for magnets
Allergy Warning

It is widely known that nickel (the usual finish) is a strong allergen. If you have an allergy, refrain from touching magnets with bare hands and opt for coated magnets.

Choking Hazard

Adult use only. Tiny parts can be swallowed, causing intestinal necrosis. Store away from kids and pets.

Finger safety

Watch your fingers. Two powerful magnets will join instantly with a force of massive weight, destroying everything in their path. Be careful!

Safe operation

Before use, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Be predictive.

Precision electronics

GPS units and smartphones are extremely susceptible to magnetic fields. Close proximity with a powerful NdFeB magnet can ruin the sensors in your phone.

Cards and drives

Intense magnetic fields can destroy records on credit cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.

Dust is flammable

Machining of NdFeB material carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Thermal limits

Watch the temperature. Heating the magnet above 80 degrees Celsius will destroy its magnetic structure and pulling force.

Health Danger

For implant holders: Strong magnetic fields disrupt electronics. Keep at least 30 cm distance or request help to work with the magnets.

Risk of cracking

NdFeB magnets are ceramic materials, meaning they are very brittle. Collision of two magnets leads to them cracking into small pieces.

Caution! Learn more about hazards in the article: Safety of working with magnets.