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MW 5x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010083

GTIN/EAN: 5906301810827

5.00

Diameter Ø

5 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

1.47 g

Magnetization Direction

↑ axial

Load capacity

0.56 kg / 5.45 N

Magnetic Induction

599.97 mT / 6000 Gs

Coating

[NiCuNi] Nickel

check technical specifications »

0.800 ZŁ with VAT / pcs + price for transport

0.650 ZŁ net + 23% VAT / pcs

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Product card - MW 5x10 / N38 - cylindrical magnet

Specification / characteristics - MW 5x10 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010083
GTIN/EAN 5906301810827
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 5 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 1.47 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.56 kg / 5.45 N
Magnetic Induction ~ ? 599.97 mT / 6000 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 5x10 / 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 assembly - data

Presented information are the result of a physical calculation. Values rely on algorithms for the material Nd2Fe14B. Operational parameters might slightly differ. Please consider these calculations as a supplementary guide for designers.

Table 1: Static pull force (pull vs distance) - power drop
MW 5x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5990 Gs
599.0 mT
 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
 weak grip
1 mm 3743 Gs
374.3 mT
 0.22 kg / 0.48 pounds
218.7 g / 2.1 N
 weak grip
2 mm 2197 Gs
219.7 mT
 0.08 kg / 0.17 pounds
75.3 g / 0.7 N
 weak grip
3 mm 1325 Gs
132.5 mT
 0.03 kg / 0.06 pounds
27.4 g / 0.3 N
 weak grip
5 mm 570 Gs
57.0 mT
 0.01 kg / 0.01 pounds
5.1 g / 0.0 N
 weak grip
10 mm 137 Gs
13.7 mT
 0.00 kg / 0.00 pounds
0.3 g / 0.0 N
 weak grip
15 mm 54 Gs
5.4 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
20 mm 26 Gs
2.6 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
30 mm 9 Gs
0.9 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
50 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
 weak grip
Magnetic force decreases drastically per each millimeter of distance. Note that even a microscopic distance (e.g., dirt, paint, veneer) significantly weakens the grip. Magnetic products operate optimally in perfect adhesion; distance drastically cuts the power. Analyze how rapidly the parameters drop, when the magnet does not touch flatly to the metal substrate. When calculating the assembly, discard unnecessary gaps.

Table 2: Vertical capacity (wall)
MW 5x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.11 kg / 0.25 pounds
112.0 g / 1.1 N
1 mm Stal (~0.2) 0.04 kg / 0.10 pounds
44.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 pounds
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 pounds
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
The table below indicates the estimated shear load necessary to start the slippage of the magnet down against a vertical steel plate (considering standard friction coefficient). The holding force depends on the separation distance between the magnet and the surface.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MW 5x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.17 kg / 0.37 pounds
168.0 g / 1.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.11 kg / 0.25 pounds
112.0 g / 1.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.06 kg / 0.12 pounds
56.0 g / 0.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.28 kg / 0.62 pounds
280.0 g / 2.7 N
When mounting a element on a vertical surface (e.g., a board), it will maintain barely approx. 1/5 of its nominal power. Gravitational force and a weak degree of grip mean that magnets slide down faster than they detach. Want to create a hanger? Consider that the shear force is noticeably lower than the maximum static pull force. On a smooth steel, the magnet will give way down under a much lighter cargo. Using a rubber coating can significantly improve the result.

Table 4: Steel thickness (saturation) - power losses
MW 5x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.06 kg / 0.12 pounds
56.0 g / 0.5 N
1 mm
25%
 0.14 kg / 0.31 pounds
140.0 g / 1.4 N
2 mm
50%
 0.28 kg / 0.62 pounds
280.0 g / 2.7 N
3 mm
75%
 0.42 kg / 0.93 pounds
420.0 g / 4.1 N
5 mm
100%
 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
10 mm
100%
 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
11 mm
100%
 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
12 mm
100%
 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
A thin metal plate cannot absorb the full magnetic flux, which wastes potential of the magnet. If you attach a powerful product to a too thin substrate, the flux will pass right through and the attraction force will be weaker. To achieve 100% of this magnet's potential, you need a suitably thick element of metal. The saturation phenomenon means that on delicate walls (e.g., appliance housings), the holder holds weaker. We suggest choosing the steel cross-section from these parameters.

Table 5: Thermal resistance (stability) - thermal limit
MW 5x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.56 kg / 1.23 pounds
560.0 g / 5.5 N
 OK
40 °C -2.2% 0.55 kg / 1.21 pounds
547.7 g / 5.4 N
 OK
60 °C -4.4% 0.54 kg / 1.18 pounds
535.4 g / 5.3 N
 OK
80 °C -6.6% 0.52 kg / 1.15 pounds
523.0 g / 5.1 N
100 °C -28.8% 0.40 kg / 0.88 pounds
398.7 g / 3.9 N
Classic neodymiums lose power above the temperature limit. Avoid high temperatures – excessive heat can irreversibly demagnetize this magnet. As the temperature rises, the neodymium's capacity momentarily drops. Avoid using this magnet close to heaters higher than its safe range. Too high temperature will cause destruction of magnetic properties.
*Engineering note: Thermal stability is determined by both grade, and the Permeance Coefficient Pc. Thin magnets (pancake types) may lose charge permanently under lower heat stress than taller cylinders. Red status in the table signals permanent field degradation for this particular item.

Table 6: Two magnets (repulsion) - field range
MW 5x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 4.34 kg / 9.58 pounds
6 127 Gs
0.65 kg / 1.44 pounds
652 g / 6.4 N
 N/A
1 mm 2.81 kg / 6.19 pounds
9 631 Gs
0.42 kg / 0.93 pounds
421 g / 4.1 N
 2.53 kg / 5.57 pounds
~0 Gs
2 mm 1.70 kg / 3.74 pounds
7 486 Gs
0.25 kg / 0.56 pounds
254 g / 2.5 N
 1.53 kg / 3.37 pounds
~0 Gs
3 mm 1.00 kg / 2.20 pounds
5 737 Gs
0.15 kg / 0.33 pounds
149 g / 1.5 N
 0.90 kg / 1.98 pounds
~0 Gs
5 mm 0.35 kg / 0.77 pounds
3 391 Gs
0.05 kg / 0.12 pounds
52 g / 0.5 N
 0.31 kg / 0.69 pounds
~0 Gs
10 mm 0.04 kg / 0.09 pounds
1 140 Gs
0.01 kg / 0.01 pounds
6 g / 0.1 N
 0.04 kg / 0.08 pounds
~0 Gs
20 mm 0.00 kg / 0.01 pounds
274 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
30 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
60 mm 0.00 kg / 0.00 pounds
19 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
70 mm 0.00 kg / 0.00 pounds
12 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
80 mm 0.00 kg / 0.00 pounds
9 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
90 mm 0.00 kg / 0.00 pounds
6 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.00 pounds
5 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
Two magnetic products interact from a wider radius than a magnet and sheet combination. The setup of two magnets creates a more powerful interaction and a wider radius of performance. Designing a strong closure? Utilize two neodymiums instead of one magnet and a striker plate. Exercise caution that when connecting a pair of magnets, the collision energy is massive. The repulsion force is marginally weaker than the attraction, but still impressive.
*Flux density in repulsion mode drops to ~0 Gs at the geometric center between the magnets (caused by magnetic field nullification).
* Calculations show friction force of two matching neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Hazards (implants) - precautionary measures
MW 5x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 4.0 cm
Hearing aid 10 Gs (1.0 mT) 3.0 cm
Timepiece 20 Gs (2.0 mT) 2.5 cm
Mobile device 40 Gs (4.0 mT) 2.0 cm
Remote 50 Gs (5.0 mT) 2.0 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
A strong magnetic field is a large risk to IT equipment and medical implants. These neodymiums generate a flux that destroys function of digital equipment. Remember: the unseen radiation acts through matter and glass. Special caution must be taken by people with hearing aids and insulin pumps. The risk also applies to: mechanical watches, remotes, membranes, and screens. Do not bring the product near payment cards, hard drives, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - warning
MW 5x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 19.69 km/h
(5.47 m/s)
 0.02 J
30 mm 34.09 km/h
(9.47 m/s)
 0.07 J
50 mm 44.02 km/h
(12.23 m/s)
 0.11 J
100 mm 62.25 km/h
(17.29 m/s)
 0.22 J
Magnetic elements are delicate – a strong collision with metal can result in shattering. Watch the impact speed – a magnet released freely turns into a projectile. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Always hold the magnet during installation so it doesn't hit violently against the steel surface. A contact at a velocity of dozens of km/h ends with a crack of the magnet. Wear safety glasses when working with powerful specimens.

Table 9: Corrosion resistance
MW 5x10 / 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. Note the thickness of the protective layer.

Table 10: Construction data (Flux)
MW 5x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 306 Mx 13.1 µWb
Pc Coefficient 1.21 High (Stable)
Flux value passing through the pole surface. Key data in coil applications as well as sensors. The Pc coefficient determines the working geometry.

Table 11: Underwater work (magnet fishing)
MW 5x10 / N38

Environment Effective steel pull Effect
Air (land) 0.56 kg Standard
Water (riverbed) 0.64 kg
(+0.08 kg buoyancy gain)
+14.5%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
Contrary to myths, water does not block the magnetic field. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.
1. Wall mount (shear)

*Note: On a vertical surface, the magnet holds merely approx. 20-30% of its max power.

2. Efficiency vs thickness

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

3. Temperature resistance

*For N38 material, the critical 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.

Technical and environmental data
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: 010083-2026
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The presented product is a very strong cylindrical magnet, composed of advanced NdFeB material, which, at dimensions of Ø5x10 mm, guarantees optimal power. This specific item boasts high dimensional repeatability and industrial build quality, making it a perfect solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 0.56 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Furthermore, its triple-layer 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 automation, and broadly understood industry, serving as a positioning or actuating element. Thanks to the high power of 5.45 N with a weight of only 1.47 g, this rod is indispensable in miniature devices 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 immediate cracking of this professional component. To ensure stability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.
Magnets N38 are suitable for 90% of applications in modeling and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø5x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.
This model is characterized by dimensions Ø5x10 mm, which, at a weight of 1.47 g, makes it an element with high magnetic energy density. The key parameter here is the holding force amounting to approximately 0.56 kg (force ~5.45 N), which, with such defined dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it 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 5 mm. 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.

Pros and cons of neodymium magnets.

Advantages

In addition to their magnetic capacity, neodymium magnets provide the following advantages:
  • They have constant strength, and over around 10 years their performance decreases symbolically – ~1% (according to theory),
  • They maintain their magnetic properties even under external field action,
  • Thanks to the shimmering finish, the plating of nickel, gold-plated, or silver gives an elegant appearance,
  • Neodymium magnets deliver maximum magnetic induction on a contact point, which increases force concentration,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, allowing for action at temperatures approaching 230°C and above...
  • Due to the ability of accurate forming and adaptation to individualized projects, magnetic components can be created in a variety of forms and dimensions, which increases their versatility,
  • Wide application in modern technologies – they find application in hard drives, motor assemblies, medical equipment, as well as multitasking production systems.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which enables their usage in small systems

Cons

Drawbacks and weaknesses of neodymium magnets and proposals for their use:
  • They are fragile upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also increases its resistance to damage
  • Neodymium magnets decrease their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
  • Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we advise using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Limited possibility of producing nuts in the magnet and complex shapes - preferred is casing - magnet mounting.
  • Possible danger related to microscopic parts of magnets are risky, when accidentally swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these magnets are able to complicate diagnosis medical in case of swallowing.
  • Due to complex production process, their price exceeds standard values,

Holding force characteristics

Magnetic strength at its maximum – what affects it?

The specified lifting capacity represents the maximum value, recorded under optimal environment, specifically:
  • with the use of a sheet made of low-carbon steel, ensuring maximum field concentration
  • whose thickness reaches at least 10 mm
  • with an ideally smooth touching surface
  • without the slightest clearance between the magnet and steel
  • under perpendicular force vector (90-degree angle)
  • in stable room temperature

Magnet lifting force in use – key factors

It is worth knowing that the application force will differ subject to elements below, starting with the most relevant:
  • Clearance – existence of any layer (rust, tape, air) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
  • Force direction – catalog parameter refers to pulling vertically. When slipping, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
  • Steel thickness – too thin plate causes magnetic saturation, causing part of the flux to be lost into the air.
  • Material type – ideal substrate is pure iron steel. Cast iron may generate lower lifting capacity.
  • Plate texture – smooth surfaces ensure maximum contact, which improves force. Rough surfaces reduce efficiency.
  • Heat – neodymium magnets have a negative temperature coefficient. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the holding force is lower. Moreover, even a minimal clearance between the magnet and the plate lowers the load capacity.

Safe handling of neodymium magnets
Power loss in heat

Avoid heat. NdFeB magnets are susceptible to heat. If you need resistance above 80°C, look for special high-temperature series (H, SH, UH).

Sensitization to coating

Certain individuals suffer from a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Extended handling may cause a rash. It is best to use protective gloves.

Powerful field

Exercise caution. Neodymium magnets attract from a long distance and connect with massive power, often faster than you can react.

No play value

Neodymium magnets are not suitable for play. Eating multiple magnets may result in them connecting inside the digestive tract, which poses a direct threat to life and requires urgent medical intervention.

Serious injuries

Pinching hazard: The pulling power is so immense that it can result in blood blisters, pinching, and broken bones. Use thick gloves.

Data carriers

Do not bring magnets close to a purse, laptop, or screen. The magnetic field can destroy these devices and erase data from cards.

Pacemakers

People with a heart stimulator must maintain an absolute distance from magnets. The magnetism can stop the functioning of the life-saving device.

Compass and GPS

Remember: neodymium magnets generate a field that confuses precision electronics. Keep a safe distance from your mobile, device, and GPS.

Risk of cracking

Watch out for shards. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Wear goggles.

Fire warning

Drilling and cutting of neodymium magnets carries a risk of fire risk. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.

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