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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 properties »

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

Physical simulation of the product - report

Presented values represent the direct effect of a mathematical simulation. Results were calculated on algorithms for the class Nd2Fe14B. Real-world parameters might slightly differ. Treat these calculations as a supplementary guide when designing systems.

Table 1: Static force (pull vs distance) - 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
 weak grip
1 mm 1557 Gs
155.7 mT
 0.63 kg / 1.38 lbs
627.2 g / 6.2 N
 weak grip
2 mm 1253 Gs
125.3 mT
 0.41 kg / 0.90 lbs
406.2 g / 4.0 N
 weak grip
3 mm 958 Gs
95.8 mT
 0.24 kg / 0.52 lbs
237.4 g / 2.3 N
 weak grip
5 mm 530 Gs
53.0 mT
 0.07 kg / 0.16 lbs
72.8 g / 0.7 N
 weak grip
10 mm 140 Gs
14.0 mT
 0.01 kg / 0.01 lbs
5.1 g / 0.1 N
 weak grip
15 mm 52 Gs
5.2 mT
 0.00 kg / 0.00 lbs
0.7 g / 0.0 N
 weak grip
20 mm 24 Gs
2.4 mT
 0.00 kg / 0.00 lbs
0.1 g / 0.0 N
 weak grip
30 mm 8 Gs
0.8 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
50 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
Grip strength drops drastically with every mm of spacing. Note that every additional insulation layer (e.g., contamination, paint, veneer) noticeably diminishes the holding power. Magnetic products hold most effectively in perfect adhesion; distance kills the power. Analyze how flashily the load capacity plummet, when the product does not touch tightly to the steel surface. When designing the arrangement, discard redundant distances.

Table 2: Vertical force (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
This section indicates the estimated holding capacity needed to cause the sliding of the magnet vertically against a vertical steel wall (assuming typical friction coefficient). This parameter is relative to 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 mounting a magnet on a upright surface (e.g., a board), it will maintain just approx. 20%-30% of nominal attraction strength. Gravity as well as a low friction coefficient mean that holders slide down easier than they pop off the substrate. Designing a vertical fastening? Note that the shear force is noticeably lower than the maximum static pull force. On a smooth steel, the magnet will slip down under a significantly smaller cargo. Using a rubber layer 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 incapable of conduct the entire magnetic field, which weakens actual performance of the holder. If you install a neodymium to a weak sheet, the flux will penetrate right through and the holding will be smaller. To utilize the maximum of this neodymium's potential, you need a suitably thick element of steel. The material oversaturation means that on sheet metal structures (e.g., thin profiles), the holder shows lower pull force. We suggest choosing the steel cross-section from these parameters.

Table 5: Thermal stability (stability) - resistance threshold
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
Standard neodymium magnets change their properties power past the thermal threshold. Watch out for overheating – heat can irreversibly damage this magnet. As the temperature rises, the neodymium's capacity temporarily decreases. Refrain from using this product close to ovens higher than its safe range. Ignoring the limit will lead to irreversible degradation of magnetism.
*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (low Pc) risk losing magnetic properties at lower temperatures than long magnets. Red status in the table indicates a risk of irreversible loss for this specific geometry.

Table 6: Two magnets (attraction) - forces in the system
MW 10x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear 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 magnets interact from a significantly greater distance than a neodymium and metal setup. Such a system of two magnets generates a stronger field and a wider radius of performance. Want to build a solid fastener? Apply two magnets instead of a neodymium and a steel. Exercise caution that when bringing together two magnets, the collision energy is massive. The repulsion force is a bit weaker than the connection force, but still significant.
*Field value for N-N configuration is approximately ~0 Gs at the geometric center of the gap (resulting from vector opposition).
Important: Results demonstrate sliding force of a pair of identical magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - precautionary measures
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
Mechanical watch 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
Extremely neodym field is a large risk to electronic devices and pacemakers. These magnets produce a field that prevents correct functioning of digital equipment. Remember: the invisible magnetic field acts through matter and plastic. Increased vigilance must be taken by people with hearing aids and insulin pumps. Influence will be felt by: automatic timepieces, remotes, membranes, and displays. Do not place the magnet near cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
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
Magnetic elements are delicate – a violent impact against metal causes immediate chipping. Watch the impact speed – a magnet released freely becomes dangerous. Kinetic force can destroy the magnet or dangerous crushing to skin. Be sure to control the product during bringing near metal so it doesn't hit violently against the metal. A collision at high speed almost guarantees destruction of the magnet. Use safety goggles when playing with large magnets.

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 SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. 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)
Total magnetic flux passing through the pole surface. Key data for generator designers and motors. Pc value defines the working geometry.

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.
Contrary to myths, water does not block the magnetic field. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.
1. Vertical hold

*Warning: On a vertical surface, the magnet holds only approx. 20-30% of its perpendicular strength.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) drastically limits the holding force.

3. Temperature resistance

*For standard magnets, the critical limit is 80°C.

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

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

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
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%
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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The presented product is an extremely powerful rod magnet, composed of modern NdFeB material, which, at dimensions of Ø10x1.5 mm, guarantees maximum efficiency. This specific item boasts an accuracy of ±0.1mm and professional build quality, making it an ideal solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 0.82 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring quick order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
It successfully proves itself in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 8.01 N with a weight of only 0.88 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.
Due to the brittleness of the NdFeB material, you must not use force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure stability in automation, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Grade N38 is the most popular standard for professional neodymium magnets, offering an optimal price-to-power ratio and operational stability. 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 warehouse.
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 compact dimensions, proves the high grade 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. Such an arrangement is standard 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 diametrically if your project requires it.

Advantages as well as disadvantages of Nd2Fe14B magnets.

Benefits

Apart from their consistent holding force, neodymium magnets have these key benefits:
  • They do not lose power, even over nearly 10 years – the decrease in strength is only ~1% (based on measurements),
  • They possess excellent resistance to weakening of magnetic properties as a result of external magnetic sources,
  • A magnet with a metallic silver surface is more attractive,
  • Magnets are characterized by very high magnetic induction on the working surface,
  • 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...
  • Due to the possibility of free forming and adaptation to individualized requirements, magnetic components can be created in a broad palette of shapes and sizes, which amplifies use scope,
  • Significant place in modern industrial fields – they are commonly used in data components, electric drive systems, medical equipment, also technologically advanced constructions.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Limitations

Disadvantages of neodymium magnets:
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We advise keeping them in a special holder, which not only protects them against impacts but also increases their durability
  • Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
  • Magnets exposed to a humid environment can rust. Therefore when using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • Due to limitations in creating nuts and complex shapes in magnets, we recommend using cover - magnetic mechanism.
  • Potential hazard related to microscopic parts of magnets can be dangerous, in case of ingestion, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these magnets can be problematic in diagnostics medical after entering the body.
  • Due to neodymium price, their price exceeds standard values,

Pull force analysis

Highest magnetic holding force – what it depends on?

Magnet power was determined for optimal configuration, including:
  • with the application of a yoke made of low-carbon steel, ensuring full magnetic saturation
  • whose thickness equals approx. 10 mm
  • with a plane cleaned and smooth
  • under conditions of no distance (surface-to-surface)
  • under vertical application of breakaway force (90-degree angle)
  • at ambient temperature room level

Lifting capacity in real conditions – factors

Holding efficiency impacted by working environment parameters, including (from most important):
  • Space between surfaces – every millimeter of distance (caused e.g. by varnish or dirt) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – note that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
  • Plate thickness – too thin sheet does not close the flux, causing part of the flux to be wasted to the other side.
  • Plate material – low-carbon steel gives the best results. Alloy admixtures lower magnetic permeability and holding force.
  • Surface condition – ground elements ensure maximum contact, which increases field saturation. Uneven metal weaken the grip.
  • Operating temperature – neodymium magnets have a negative temperature coefficient. When it is hot they lose power, and in frost they can be stronger (up to a certain limit).

Lifting capacity testing was performed on a smooth plate of optimal thickness, under perpendicular forces, however under shearing force the lifting capacity is smaller. Moreover, even a small distance between the magnet and the plate lowers the load capacity.

Warnings
Heat warning

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

Bodily injuries

Pinching hazard: The attraction force is so great that it can cause hematomas, pinching, and broken bones. Use thick gloves.

Swallowing risk

Neodymium magnets are not toys. Accidental ingestion of several magnets can lead to them connecting inside the digestive tract, which poses a severe health hazard and necessitates immediate surgery.

Beware of splinters

Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

Allergic reactions

Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If redness occurs, cease working with magnets and use protective gear.

Danger to pacemakers

For implant holders: Powerful magnets disrupt electronics. Keep minimum 30 cm distance or request help to work with the magnets.

Safe operation

Handle magnets with awareness. Their huge power can surprise even professionals. Plan your moves and do not underestimate their power.

Precision electronics

A powerful magnetic field negatively affects the operation of magnetometers in phones and GPS navigation. Maintain magnets near a smartphone to avoid damaging the sensors.

Data carriers

Avoid bringing magnets near a wallet, laptop, or TV. The magnetic field can irreversibly ruin these devices and erase data from cards.

Machining danger

Mechanical processing of neodymium magnets poses a fire hazard. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

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