← previous
next →
Product available Ships today (order by 14:00) CO2 GPSR PPWR REACH

MW 8x8 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010106

GTIN/EAN: 5906301811053

5.00
Load capacity 2.03 kg / 19.92 N Magnetic Induction 553.67 mT / 5537 Gs
Diameter Ø
8 mm [±0,1 mm]
Height
8 mm [±0,1 mm]
Weight
3.02 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

see specifications »

1.090 zł net / pcs

1.341 zł with VAT (23% VAT) / pcs

price for transport

bulk discounts:

Need more?
Quantity
Net
Gross
price from 1 pcs
1.090 zł
1.341 zł
price from 600 pcs
1.025 zł
1.260 zł
price from 2300 pcs
0.959 zł
1.180 zł

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.

Order by 14:00 and we’ll ship today!

Technical specification of the product - MW 8x8 / N38 - cylindrical magnet

Specification / characteristics - MW 8x8 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010106
GTIN/EAN 5906301811053
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 8 mm [±0,1 mm]
Height 8 mm [±0,1 mm]
Weight 3.02 g
Magnetization Direction ↑ axial
Load capacity ~ ? 2.03 kg / 19.92 N
Magnetic Induction ~ ? 553.67 mT / 5537 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 8x8 / 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 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

Physical analysis of the magnet - data

The following values are the direct effect of a engineering calculation. Results were calculated on models for the material Nd2Fe14B. Actual performance may differ from theoretical values. Use these data as a reference point when designing systems.

Table 1: Static pull force (force vs distance) - characteristics
MW 8x8 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5531 Gs
553.1 mT
 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
 warning
1 mm 4162 Gs
416.2 mT
 1.15 kg / 2.53 LBS
1149.3 g / 11.3 N
 low risk
2 mm 2984 Gs
298.4 mT
 0.59 kg / 1.30 LBS
590.7 g / 5.8 N
 low risk
3 mm 2107 Gs
210.7 mT
 0.29 kg / 0.65 LBS
294.5 g / 2.9 N
 low risk
5 mm 1084 Gs
108.4 mT
 0.08 kg / 0.17 LBS
78.0 g / 0.8 N
 low risk
10 mm 296 Gs
29.6 mT
 0.01 kg / 0.01 LBS
5.8 g / 0.1 N
 low risk
15 mm 118 Gs
11.8 mT
 0.00 kg / 0.00 LBS
0.9 g / 0.0 N
 low risk
20 mm 58 Gs
5.8 mT
 0.00 kg / 0.00 LBS
0.2 g / 0.0 N
 low risk
30 mm 20 Gs
2.0 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 low risk
50 mm 5 Gs
0.5 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 low risk
Grip strength decreases drastically per each millimeter of spacing. Remember that even a very thin break (e.g., contamination, varnish, veneer) significantly weakens the grip. Neodymiums work strongest at the point of direct contact; air break drastically cuts the force. See how quickly the parameters fall, when the product does not adhere directly to the metal substrate. When planning the arrangement, avoid additional spacers.

Table 2: Slippage load (vertical surface)
MW 8x8 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.41 kg / 0.90 LBS
406.0 g / 4.0 N
1 mm Stal (~0.2) 0.23 kg / 0.51 LBS
230.0 g / 2.3 N
2 mm Stal (~0.2) 0.12 kg / 0.26 LBS
118.0 g / 1.2 N
3 mm Stal (~0.2) 0.06 kg / 0.13 LBS
58.0 g / 0.6 N
5 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
2.0 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 shows the estimated holding capacity necessary to initiate the slippage of the magnet vertically against a vertical metal surface (considering typical friction). The holding force is relative to the distance between the magnet and the metal.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 8x8 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.61 kg / 1.34 LBS
609.0 g / 6.0 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.41 kg / 0.90 LBS
406.0 g / 4.0 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.20 kg / 0.45 LBS
203.0 g / 2.0 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.02 kg / 2.24 LBS
1015.0 g / 10.0 N
When mounting a element on a vertical surface (e.g., a board), it you can count on only approx. 20%-30% of nominal attraction strength. Gravitational force and a weak degree of grip influence the fact that magnets move down easier than they pop off the substrate. Planning a wall mount? Remember that the shear force is much weaker than the maximum static pull force. On a smooth steel, the element will slide down under a significantly smaller weight. Application of an anti-slip pad can drastically increase the grip.

Table 4: Steel thickness (substrate influence) - power losses
MW 8x8 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.20 kg / 0.45 LBS
203.0 g / 2.0 N
1 mm
25%
 0.51 kg / 1.12 LBS
507.5 g / 5.0 N
2 mm
50%
 1.02 kg / 2.24 LBS
1015.0 g / 10.0 N
3 mm
75%
 1.52 kg / 3.36 LBS
1522.5 g / 14.9 N
5 mm
100%
 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
10 mm
100%
 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
11 mm
100%
 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
12 mm
100%
 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
A too thin steel is not enough to absorb the full magnetic flux, which weakens actual performance of the holder. Should you mount a strong magnet to a too thin substrate, the magnetism will pass right through and the holding will be smaller. To achieve full efficiency of this magnet's potential, you require a sufficiently solid piece of metal. The material oversaturation causes that on delicate walls (e.g., thin profiles), the magnet shows lower pull force. We suggest choosing the steel dimension from these parameters.

Table 5: Thermal stability (stability) - resistance threshold
MW 8x8 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 2.03 kg / 4.48 LBS
2030.0 g / 19.9 N
 OK
40 °C -2.2% 1.99 kg / 4.38 LBS
1985.3 g / 19.5 N
 OK
60 °C -4.4% 1.94 kg / 4.28 LBS
1940.7 g / 19.0 N
 OK
80 °C -6.6% 1.90 kg / 4.18 LBS
1896.0 g / 18.6 N
100 °C -28.8% 1.45 kg / 3.19 LBS
1445.4 g / 14.2 N
Ordinary NdFeB products irreversibly lose power past the thermal threshold. Protect against heat – excessive heat can irreversibly destroy this product. With increasing heat, the magnet's power temporarily lowers. Refrain from using this product near heat sources higher than its operating temperature limit. Too high temperature will lead to irreversible degradation of magnetic properties.
*Technical advisory: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Low-profile magnets (low Pc) may lose charge permanently sooner than long magnets. Warning indicator in the table points to a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 8x8 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 9.48 kg / 20.90 LBS
6 000 Gs
1.42 kg / 3.14 LBS
1422 g / 14.0 N
 N/A
1 mm 7.26 kg / 16.01 LBS
9 682 Gs
1.09 kg / 2.40 LBS
1089 g / 10.7 N
 6.54 kg / 14.41 LBS
~0 Gs
2 mm 5.37 kg / 11.83 LBS
8 324 Gs
0.81 kg / 1.78 LBS
805 g / 7.9 N
 4.83 kg / 10.65 LBS
~0 Gs
3 mm 3.88 kg / 8.55 LBS
7 074 Gs
0.58 kg / 1.28 LBS
582 g / 5.7 N
 3.49 kg / 7.69 LBS
~0 Gs
5 mm 1.95 kg / 4.30 LBS
5 016 Gs
0.29 kg / 0.64 LBS
292 g / 2.9 N
 1.75 kg / 3.87 LBS
~0 Gs
10 mm 0.36 kg / 0.80 LBS
2 169 Gs
0.05 kg / 0.12 LBS
55 g / 0.5 N
 0.33 kg / 0.72 LBS
~0 Gs
20 mm 0.03 kg / 0.06 LBS
592 Gs
0.00 kg / 0.01 LBS
4 g / 0.0 N
 0.02 kg / 0.05 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
66 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
41 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
27 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
19 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
14 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
10 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnets attract each other from a much further distance than a neodymium and metal combination. Such a system of magnet-to-magnet produces a massive flux and a further horizon of action. Planning to create a powerful holder? Apply two magnets instead of a neodymium and a striker plate. Remember that when bringing together two magnets, the pinch force is massive. The repulsion force is slightly lower than the attraction, but still significant.
*Field value in repulsion mode is approximately ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
Important: Results apply to sliding force of dual matching neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (implants) - warnings
MW 8x8 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 5.5 cm
Hearing aid 10 Gs (1.0 mT) 4.0 cm
Timepiece 20 Gs (2.0 mT) 3.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 2.5 cm
Remote 50 Gs (5.0 mT) 2.5 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
A strong magnetic field poses a serious hazard to electronics as well as medical implants. These NdFeB products generate a flux that prevents correct functioning of digital equipment. Be aware: the invisible magnetic field penetrates the body and plastic. Exceptional care must be exercised by people with hearing aids and drug dispensers. Influence will be felt by: mechanical watches, car keys, speakers, and screens. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MW 8x8 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 16.64 km/h
(4.62 m/s)
 0.03 J
30 mm 16.68 km/h
(4.63 m/s)
 0.03 J
50 mm 16.68 km/h
(4.63 m/s)
 0.03 J
100 mm 16.68 km/h
(4.63 m/s)
 0.03 J
Magnetic elements are delicate – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely becomes dangerous. Kinetic force can trigger coating fragments or painful pinches to fingers. Be sure to control the product during mounting so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h ends with a crack of the magnet. Wear safety glasses when handling with large magnets.

Table 9: Corrosion resistance
MW 8x8 / 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. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (Flux)
MW 8x8 / N38

Parameter Value SI Unit / Description
Magnetic Flux 2 868 Mx 28.7 µWb
Pc Coefficient 0.89 High (Stable)
Total magnetic flux passing through the magnet pole. Key data in coil applications and motors. Pc value defines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MW 8x8 / N38

Environment Effective steel pull Effect
Air (land) 2.03 kg Standard
Water (riverbed) 2.32 kg
(+0.29 kg buoyancy gain)
+14.5%
Corrosion warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.

1. Shear force

*Caution: On a vertical surface, the magnet holds only a fraction of its nominal pull.

2. Steel saturation

*Thin metal sheet (e.g. computer case) drastically limits the holding force.

3. Heat tolerance

*For N38 grade, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.89

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

Chemical composition

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: 010106-2026
Measurement Calculator

Pulling force

Field Strength

Just fill in any input, to let the calculator fill in everything else instantly.

Check out more deals

XT-5 magnetyzery do silników - DIESEL + olej - XT-5 magnetizer
Product available Ships today (order by 14:00)

XT-5 magnetyzery do silników - DIESEL + olej - XT-5 magnetizer

98.99 zł brutto / pcs
SM 28x350 [2xM8] / N52 - magnetic separator
Product available Ships today (order by 14:00)

SM 28x350 [2xM8] / N52 - magnetic separator

1094.70 zł brutto / pcs
UMGZ 20x15x7 [M4] GZ / N38 - magnetic holder external thread
Product available Ships today (order by 14:00)

UMGZ 20x15x7 [M4] GZ / N38 - magnetic holder external thread

7.22 zł brutto / pcs
UMS 20x8.6x4.5x7 / N38 - conical magnetic holder
Product available Ships today (order by 14:00)

UMS 20x8.6x4.5x7 / N38 - conical magnetic holder

6.46 zł brutto / pcs
The presented product is an exceptionally strong rod magnet, produced from durable NdFeB material, which, with dimensions of Ø8x8 mm, guarantees the highest energy density. This specific item boasts high dimensional repeatability and industrial build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with significant force (approx. 2.03 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring rapid order fulfillment. Moreover, its triple-layer Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.
This model is perfect for building generators, advanced Hall effect sensors, and efficient filters, where maximum induction on a small surface counts. Thanks to the pull force of 19.92 N with a weight of only 3.02 g, this cylindrical magnet is indispensable in electronics and wherever every gram matters.
Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure stability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.
Grade N38 is the most popular standard for industrial neodymium magnets, offering an optimal price-to-power ratio and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø8x8), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 8 mm and height 8 mm. The value of 19.92 N means that the magnet is capable of holding a weight many times exceeding its own mass of 3.02 g. The product has a [NiCuNi] coating, which protects the surface against oxidation, 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 8 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 as well as weaknesses of neodymium magnets.

Pros

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • Their power remains stable, and after around ten years it decreases only by ~1% (according to research),
  • They are noted for resistance to demagnetization induced by external disturbances,
  • Thanks to the shimmering finish, the surface of nickel, gold-plated, or silver gives an clean appearance,
  • Neodymium magnets achieve maximum magnetic induction on a small area, which ensures high operational effectiveness,
  • Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to flexibility in shaping and the ability to customize to individual projects,
  • Wide application in future technologies – they are used in hard drives, brushless drives, medical devices, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which makes them useful in small systems

Disadvantages

Problematic aspects of neodymium magnets: tips and applications.
  • Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a steel housing, which not only secures them against impacts but also raises their durability
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
  • Due to limitations in producing threads and complicated shapes in magnets, we recommend using casing - magnetic mechanism.
  • Possible danger related to microscopic parts of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child safety. Furthermore, tiny parts of these magnets can be problematic in diagnostics medical after entering the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Pull force analysis

Best holding force of the magnet in ideal parameters – what affects it?

Information about lifting capacity was determined for optimal configuration, taking into account:
  • with the use of a yoke made of special test steel, ensuring maximum field concentration
  • with a cross-section minimum 10 mm
  • with an ground contact surface
  • with zero gap (without impurities)
  • under axial force direction (90-degree angle)
  • in neutral thermal conditions

Practical lifting capacity: influencing factors

Bear in mind that the magnet holding may be lower depending on elements below, in order of importance:
  • Gap (between the magnet and the metal), since even a very small clearance (e.g. 0.5 mm) results in a decrease in force by up to 50% (this also applies to paint, corrosion or debris).
  • Loading method – declared lifting capacity refers to detachment vertically. When slipping, the magnet exhibits significantly lower power (often approx. 20-30% of nominal force).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
  • Plate material – low-carbon steel attracts best. Alloy admixtures lower magnetic permeability and lifting capacity.
  • Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Unevenness acts like micro-gaps.
  • Temperature – heating the magnet causes a temporary drop of induction. It is worth remembering the maximum operating temperature for a given model.

Lifting capacity was determined with the use of a steel plate with a smooth surface of optimal thickness (min. 20 mm), under vertically applied force, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate decreases the holding force.

Safety rules for work with neodymium magnets
Electronic hazard

Equipment safety: Strong magnets can damage data carriers and delicate electronics (pacemakers, medical aids, timepieces).

Powerful field

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

Thermal limits

Control the heat. Heating the magnet above 80 degrees Celsius will destroy its properties and pulling force.

Crushing force

Danger of trauma: The pulling power is so immense that it can result in blood blisters, pinching, and broken bones. Protective gloves are recommended.

Danger to the youngest

Product intended for adults. Small elements can be swallowed, causing severe trauma. Store out of reach of children and animals.

Sensitization to coating

Certain individuals have a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Prolonged contact can result in a rash. We recommend use safety gloves.

Phone sensors

Be aware: neodymium magnets generate a field that confuses sensitive sensors. Maintain a separation from your mobile, tablet, and navigation systems.

Medical interference

For implant holders: Powerful magnets affect medical devices. Maintain at least 30 cm distance or ask another person to work with the magnets.

Risk of cracking

Beware of splinters. Magnets can explode upon uncontrolled impact, launching shards into the air. We recommend safety glasses.

Machining danger

Combustion risk: Neodymium dust is highly flammable. Do not process magnets without safety gear as this may cause fire.

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