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MW 10x1.5 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010003

GTIN/EAN: 5906301810001

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

0.88 g

Magnetization Direction

↑ axial

Load capacity

0.82 kg / 8.01 N

Magnetic Induction

178.06 mT / 1781 Gs

Coating

[NiCuNi] Nickel

view technical data »

0.431 ZŁ with VAT / pcs + price for transport

0.350 ZŁ net + 23% VAT / pcs

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Technical of the product - MW 10x1.5 / N38 - cylindrical magnet

Specification / characteristics - MW 10x1.5 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010003
GTIN/EAN 5906301810001
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 10 mm [±0,1 mm]
Height 1.5 mm [±0,1 mm]
Weight 0.88 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.82 kg / 8.01 N
Magnetic Induction ~ ? 178.06 mT / 1781 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x1.5 / 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 - report

These information constitute the result of a mathematical analysis. Results were calculated on models for the material Nd2Fe14B. Real-world conditions may deviate from the simulation results. Treat these calculations as a supplementary guide for designers.

Table 1: Static pull force (force vs gap) - characteristics
MW 10x1.5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1780 Gs
178.0 mT
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
 low risk
1 mm 1557 Gs
155.7 mT
 0.63 kg / 1.38 lbs
627.2 g / 6.2 N
 low risk
2 mm 1253 Gs
125.3 mT
 0.41 kg / 0.90 lbs
406.2 g / 4.0 N
 low risk
3 mm 958 Gs
95.8 mT
 0.24 kg / 0.52 lbs
237.4 g / 2.3 N
 low risk
5 mm 530 Gs
53.0 mT
 0.07 kg / 0.16 lbs
72.8 g / 0.7 N
 low risk
10 mm 140 Gs
14.0 mT
 0.01 kg / 0.01 lbs
5.1 g / 0.1 N
 low risk
15 mm 52 Gs
5.2 mT
 0.00 kg / 0.00 lbs
0.7 g / 0.0 N
 low risk
20 mm 24 Gs
2.4 mT
 0.00 kg / 0.00 lbs
0.1 g / 0.0 N
 low risk
30 mm 8 Gs
0.8 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
50 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
Magnetic force weakens significantly with every mm of gap. Keep in mind that even a microscopic distance (e.g., contamination, paint, rust) strongly reduces the pull force. Magnets hold most effectively at the point of direct contact; distance drastically cuts the power. See how quickly the load capacity fall, when the product does not adhere directly to the steel surface. When designing the assembly, discard additional spacers.

Table 2: Shear hold (wall)
MW 10x1.5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.16 kg / 0.36 lbs
164.0 g / 1.6 N
1 mm Stal (~0.2) 0.13 kg / 0.28 lbs
126.0 g / 1.2 N
2 mm Stal (~0.2) 0.08 kg / 0.18 lbs
82.0 g / 0.8 N
3 mm Stal (~0.2) 0.05 kg / 0.11 lbs
48.0 g / 0.5 N
5 mm Stal (~0.2) 0.01 kg / 0.03 lbs
14.0 g / 0.1 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
The following data calculates the approximate weight limit sufficient to cause the sliding of the magnet downwards on a upright steel wall (considering standard friction). This parameter is a function of the air gap between the magnet and the metal.

Table 3: Wall mounting (shearing) - vertical pull
MW 10x1.5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.25 kg / 0.54 lbs
246.0 g / 2.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.16 kg / 0.36 lbs
164.0 g / 1.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.08 kg / 0.18 lbs
82.0 g / 0.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.41 kg / 0.90 lbs
410.0 g / 4.0 N
When placing a holder on a upright surface (e.g., a fridge), it will maintain just approx. 20%-30% of nominal attraction strength. Gravitational force as well as a low friction coefficient mean that magnets move down faster than they detach. Designing a vertical fastening? Remember that the shear force is much weaker than the perpendicular breakaway force. On a painted metal, the magnet will give way down under a noticeably lighter cargo. Using a rubber coating can effectively increase the grip.

Table 4: Steel thickness (saturation) - power losses
MW 10x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.08 kg / 0.18 lbs
82.0 g / 0.8 N
1 mm
25%
 0.21 kg / 0.45 lbs
205.0 g / 2.0 N
2 mm
50%
 0.41 kg / 0.90 lbs
410.0 g / 4.0 N
3 mm
75%
 0.62 kg / 1.36 lbs
615.0 g / 6.0 N
5 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
10 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
11 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
12 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
A too thin steel is unable to absorb the full magnetic flux, which weakens actual performance of the magnet. If you mount a strong magnet to a weak sheet, the magnetism will penetrate right through and the holding will be smaller. To utilize the maximum of this neodymium's power, you need a suitably thick piece of metal. The saturation phenomenon means that on delicate walls (e.g., car bodies), the holder holds weaker. We suggest choosing the steel cross-section from these parameters.

Table 5: Thermal stability (material behavior) - thermal limit
MW 10x1.5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
 OK
40 °C -2.2% 0.80 kg / 1.77 lbs
802.0 g / 7.9 N
 OK
60 °C -4.4% 0.78 kg / 1.73 lbs
783.9 g / 7.7 N
80 °C -6.6% 0.77 kg / 1.69 lbs
765.9 g / 7.5 N
100 °C -28.8% 0.58 kg / 1.29 lbs
583.8 g / 5.7 N
Classic neodymiums lose parameters above the temperature limit. Watch out for overheating – heat can permanently damage this magnet. With increasing heat, the neodymium's power momentarily lowers. Refrain from using this product near heat sources higher than its safe range. Ignoring the limit will result in destruction of magnetism.
*Engineering note: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Low-profile magnets (low Pc) may lose charge permanently under lower heat stress than taller cylinders. Red status in the table indicates permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MW 10x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.53 kg / 3.38 lbs
3 185 Gs
0.23 kg / 0.51 lbs
230 g / 2.3 N
 N/A
1 mm 1.38 kg / 3.03 lbs
3 371 Gs
0.21 kg / 0.45 lbs
206 g / 2.0 N
 1.24 kg / 2.73 lbs
~0 Gs
2 mm 1.17 kg / 2.59 lbs
3 114 Gs
0.18 kg / 0.39 lbs
176 g / 1.7 N
 1.06 kg / 2.33 lbs
~0 Gs
3 mm 0.96 kg / 2.12 lbs
2 817 Gs
0.14 kg / 0.32 lbs
144 g / 1.4 N
 0.86 kg / 1.91 lbs
~0 Gs
5 mm 0.59 kg / 1.29 lbs
2 201 Gs
0.09 kg / 0.19 lbs
88 g / 0.9 N
 0.53 kg / 1.16 lbs
~0 Gs
10 mm 0.14 kg / 0.30 lbs
1 060 Gs
0.02 kg / 0.05 lbs
20 g / 0.2 N
 0.12 kg / 0.27 lbs
~0 Gs
20 mm 0.01 kg / 0.02 lbs
281 Gs
0.00 kg / 0.00 lbs
1 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
26 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
15 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
10 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
7 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
5 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
4 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 significantly greater distance than a magnet and steel combination. Such a system of two magnets creates a more powerful interaction and a larger range of operation. Planning to create a strong closure? Use a pair of magnets instead of one magnet and a steel. Remember that when connecting a pair of magnets, the impact force is huge. The levitation is slightly lower than the connection force, but still large.
*The magnetic induction for N-N configuration is approximately ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
Attention: Results demonstrate shear force of a pair of same neodymium magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Safety (HSE) (implants) - warnings
MW 10x1.5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 3.5 cm
Hearing aid 10 Gs (1.0 mT) 3.0 cm
Timepiece 20 Gs (2.0 mT) 2.5 cm
Phone / Smartphone 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
Powerful magnet radiation is a large risk to IT equipment as well as pacemakers. These neodymiums generate a flux that prevents correct functioning of sensitive medical devices. Be aware: the unseen radiation passes through tissues and glass. Increased vigilance must be exercised by people with cochlear implants and drug dispensers. The risk also applies to: mechanical watches, car keys, membranes, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (cracking risk) - collision effects
MW 10x1.5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 30.91 km/h
(8.58 m/s)
 0.03 J
30 mm 53.32 km/h
(14.81 m/s)
 0.10 J
50 mm 68.84 km/h
(19.12 m/s)
 0.16 J
100 mm 97.35 km/h
(27.04 m/s)
 0.32 J
NdFeB products are delicate – a violent impact against metal can result in shattering. Pay attention to connection velocity – a neodymium left loose speeds with massive force. Striking energy can cause material chips or injury to fingers. Hold the magnet firmly during installation so it doesn't slam with momentum against the metal. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when playing with powerful specimens.

Table 9: Surface protection spec
MW 10x1.5 / 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)
The following table defines the conditions under which this product can be safely used. Moisture resistance is crucial for installations in bathrooms or outdoors.

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

Parameter Value SI Unit / Description
Magnetic Flux 1 717 Mx 17.2 µWb
Pc Coefficient 0.22 Low (Flat)
Flux value passing through the magnet pole. Key data in coil applications and motors. The Pc coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 10x1.5 / N38

Environment Effective steel pull Effect
Air (land) 0.82 kg Standard
Water (riverbed) 0.94 kg
(+0.12 kg buoyancy gain)
+14.5%
Rust risk: 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. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.
1. Wall mount (shear)

*Note: On a vertical surface, the magnet retains merely ~20% of its nominal pull.

2. Efficiency vs thickness

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

3. Temperature resistance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.22

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. 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%
Environmental data
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: 010003-2026
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This product is an exceptionally strong cylindrical magnet, manufactured from durable NdFeB material, which, with dimensions of Ø10x1.5 mm, guarantees maximum efficiency. The MW 10x1.5 / N38 component is characterized by an accuracy of ±0.1mm and professional build quality, making it an excellent solution for the most demanding engineers and designers. As a cylindrical magnet with significant force (approx. 0.82 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Moreover, its triple-layer Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
This model is perfect for building electric motors, advanced Hall effect sensors, and efficient filters, where maximum induction on a small surface counts. Thanks to the pull force of 8.01 N with a weight of only 0.88 g, this rod is indispensable in miniature devices and wherever low weight is crucial.
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 long-term durability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.
Grade N38 is the most frequently chosen 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 (Ø10x1.5), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 10 mm and height 1.5 mm. The key parameter here is the lifting capacity amounting to approximately 0.82 kg (force ~8.01 N), which, with such defined dimensions, proves the high grade of the NdFeB material. 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 10 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 diametrically if your project requires it.

Pros and cons of neodymium magnets.

Strengths

Apart from their superior magnetism, neodymium magnets have these key benefits:
  • They virtually do not lose power, because even after 10 years the performance loss is only ~1% (according to literature),
  • They are extremely resistant to demagnetization induced by external disturbances,
  • A magnet with a shiny gold surface has better aesthetics,
  • Magnets possess maximum magnetic induction on the outer layer,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • Possibility of custom modeling and adjusting to atypical requirements,
  • Huge importance in future technologies – they serve a role in magnetic memories, electromotive mechanisms, medical devices, as well as industrial machines.
  • Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Cons

Disadvantages of neodymium magnets:
  • They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
  • Neodymium magnets lose their power 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 stability even at temperatures up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
  • Due to limitations in creating threads and complicated shapes in magnets, we propose using cover - magnetic mechanism.
  • Possible danger to health – tiny shards of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. Additionally, small elements of these devices are able to complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Pull force analysis

Highest magnetic holding force – what it depends on?

The lifting capacity listed is a result of laboratory testing executed under specific, ideal conditions:
  • on a block made of mild steel, perfectly concentrating the magnetic flux
  • with a thickness no less than 10 mm
  • with a plane cleaned and smooth
  • without the slightest insulating layer between the magnet and steel
  • during detachment in a direction perpendicular to the mounting surface
  • at ambient temperature room level

Practical lifting capacity: influencing factors

In practice, the actual lifting capacity is determined by several key aspects, presented from most significant:
  • Clearance – existence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which reduces power rapidly (even by 50% at 0.5 mm).
  • Pull-off angle – remember that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
  • Metal type – not every steel reacts the same. High carbon content weaken the attraction effect.
  • Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
  • Heat – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity testing was carried out on a smooth plate of optimal thickness, under a perpendicular pulling force, in contrast under shearing force the holding force is lower. Moreover, even a small distance between the magnet and the plate lowers the load capacity.

Safety rules for work with NdFeB magnets
Bodily injuries

Big blocks can smash fingers instantly. Under no circumstances put your hand between two strong magnets.

Heat warning

Standard neodymium magnets (N-type) lose power when the temperature surpasses 80°C. Damage is permanent.

Danger to the youngest

Adult use only. Tiny parts pose a choking risk, leading to intestinal necrosis. Store away from children and animals.

Electronic devices

Equipment safety: Strong magnets can ruin payment cards and sensitive devices (heart implants, hearing aids, timepieces).

Handling rules

Before starting, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Be predictive.

GPS and phone interference

GPS units and smartphones are highly sensitive to magnetic fields. Direct contact with a strong magnet can ruin the sensors in your phone.

ICD Warning

Health Alert: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.

Magnets are brittle

NdFeB magnets are ceramic materials, which means they are very brittle. Clashing of two magnets leads to them cracking into small pieces.

Allergic reactions

Allergy Notice: The Ni-Cu-Ni coating contains nickel. If skin irritation appears, immediately stop working with magnets and use protective gear.

Flammability

Fire hazard: Neodymium dust is highly flammable. Do not process magnets without safety gear as this risks ignition.

Important! Want to know more? Read our article: Why are neodymium magnets dangerous?