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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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Physical properties - 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

Technical modeling of the magnet - report

These information represent the result of a mathematical calculation. Values rely on algorithms for the class Nd2Fe14B. Actual conditions may deviate from the simulation results. Use these data as a preliminary roadmap when designing systems.

Table 1: Static pull force (pull vs gap) - characteristics
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 lbs
560.0 g / 5.5 N
 low risk
1 mm 3743 Gs
374.3 mT
 0.22 kg / 0.48 lbs
218.7 g / 2.1 N
 low risk
2 mm 2197 Gs
219.7 mT
 0.08 kg / 0.17 lbs
75.3 g / 0.7 N
 low risk
3 mm 1325 Gs
132.5 mT
 0.03 kg / 0.06 lbs
27.4 g / 0.3 N
 low risk
5 mm 570 Gs
57.0 mT
 0.01 kg / 0.01 lbs
5.1 g / 0.0 N
 low risk
10 mm 137 Gs
13.7 mT
 0.00 kg / 0.00 lbs
0.3 g / 0.0 N
 low risk
15 mm 54 Gs
5.4 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
20 mm 26 Gs
2.6 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
30 mm 9 Gs
0.9 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
Pulling power weakens drastically with every subsequent millimeter of spacing. Keep in mind that every additional insulation layer (e.g., dirt, paint, dust) significantly weakens the grip. Neodymiums hold strongest at the point of direct contact; distance kills the power. Analyze how rapidly the load capacity plummet, when the magnet does not adhere directly to the steel surface. When calculating the arrangement, avoid redundant distances.

Table 2: Sliding force (wall)
MW 5x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.11 kg / 0.25 lbs
112.0 g / 1.1 N
1 mm Stal (~0.2) 0.04 kg / 0.10 lbs
44.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 lbs
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 lbs
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
The table below calculates the approximate weight limit needed to start the shifting of the magnet downwards against a vertical steel wall (assuming standard friction). 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 lbs
168.0 g / 1.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.11 kg / 0.25 lbs
112.0 g / 1.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.06 kg / 0.12 lbs
56.0 g / 0.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.28 kg / 0.62 lbs
280.0 g / 2.7 N
When mounting a holder on a vertical surface (e.g., a car body), it will only hold barely approx. 20%-30% of its nominal power. Gravity and a low friction coefficient mean that products move down faster than they detach. Planning a hanger? Remember that the shear force is much weaker than the maximum static pull force. On a painted metal, the element will give way down under a much lighter cargo. Application of an anti-slip layer can significantly increase the grip.

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 lbs
56.0 g / 0.5 N
1 mm
25%
 0.14 kg / 0.31 lbs
140.0 g / 1.4 N
2 mm
50%
 0.28 kg / 0.62 lbs
280.0 g / 2.7 N
3 mm
75%
 0.42 kg / 0.93 lbs
420.0 g / 4.1 N
5 mm
100%
 0.56 kg / 1.23 lbs
560.0 g / 5.5 N
10 mm
100%
 0.56 kg / 1.23 lbs
560.0 g / 5.5 N
11 mm
100%
 0.56 kg / 1.23 lbs
560.0 g / 5.5 N
12 mm
100%
 0.56 kg / 1.23 lbs
560.0 g / 5.5 N
A thin sheet is incapable of absorb the entire magnetic field, which squanders power of the holder. If you mount a strong magnet to a too thin substrate, the flux will pass right through and the holding will be smaller. To utilize full efficiency of this neodymium's power, you require a sufficiently solid backing of metal. The material oversaturation causes that on delicate walls (e.g., appliance housings), the magnet shows lower pull force. We advise picking the steel cross-section based on the following data.

Table 5: Thermal resistance (stability) - power drop
MW 5x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.56 kg / 1.23 lbs
560.0 g / 5.5 N
 OK
40 °C -2.2% 0.55 kg / 1.21 lbs
547.7 g / 5.4 N
 OK
60 °C -4.4% 0.54 kg / 1.18 lbs
535.4 g / 5.3 N
 OK
80 °C -6.6% 0.52 kg / 1.15 lbs
523.0 g / 5.1 N
100 °C -28.8% 0.40 kg / 0.88 lbs
398.7 g / 3.9 N
Standard neodymium magnets change their properties strength above the temperature limit. Protect against heat – high temperature can permanently demagnetize this magnet. With every degree above norm, the neodymium's power briefly decreases. Do not use this product near heat sources exceeding its operating temperature limit. Too high temperature will lead to permanent loss of magnetism.
*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (pancake types) may lose charge permanently at lower temperatures than long magnets. The danger warning in the table points to a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 5x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 4.34 kg / 9.58 lbs
6 127 Gs
0.65 kg / 1.44 lbs
652 g / 6.4 N
 N/A
1 mm 2.81 kg / 6.19 lbs
9 631 Gs
0.42 kg / 0.93 lbs
421 g / 4.1 N
 2.53 kg / 5.57 lbs
~0 Gs
2 mm 1.70 kg / 3.74 lbs
7 486 Gs
0.25 kg / 0.56 lbs
254 g / 2.5 N
 1.53 kg / 3.37 lbs
~0 Gs
3 mm 1.00 kg / 2.20 lbs
5 737 Gs
0.15 kg / 0.33 lbs
149 g / 1.5 N
 0.90 kg / 1.98 lbs
~0 Gs
5 mm 0.35 kg / 0.77 lbs
3 391 Gs
0.05 kg / 0.12 lbs
52 g / 0.5 N
 0.31 kg / 0.69 lbs
~0 Gs
10 mm 0.04 kg / 0.09 lbs
1 140 Gs
0.01 kg / 0.01 lbs
6 g / 0.1 N
 0.04 kg / 0.08 lbs
~0 Gs
20 mm 0.00 kg / 0.01 lbs
274 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
30 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
19 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
12 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
9 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
6 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
5 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnetic products interact from a significantly greater distance than a magnet and steel combination. The setup of magnet-to-magnet generates a stronger field and a wider radius of performance. Designing a solid fastener? Utilize two neodymiums instead of one magnet and a steel. Remember that when connecting a pair of magnets, the pinch force is extreme. The levitation is slightly lower than the attraction, but still impressive.
*Field value for N-N configuration reaches ~0 Gs at the geometric center of the gap (caused by magnetic field nullification).
* Calculations refer to sliding force of two same neodymium magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Hazards (electronics) - warnings
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
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
Extremely neodym field is a real danger to IT equipment as well as pacemakers. These neodymiums produce a flux that prevents correct functioning of digital equipment. Be aware: the unseen radiation acts through matter and housings. Increased vigilance must be taken by people with hearing aids and insulin pumps. Influence will be felt by: automatic timepieces, car keys, speakers, and displays. Do not place the magnet near cards, hard drives, or sensitive navigation tools.

Table 8: Collisions (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 prone to chipping – a violent impact against metal can result in shattering. Watch the impact speed – a neodymium left loose speeds with massive force. Kinetic force can destroy the magnet or dangerous crushing to skin. Hold the magnet firmly during mounting so it doesn't slam with momentum against the metal. A contact at a velocity of dozens of km/h means shattering of the neodymium. Use safety goggles when handling with large magnets.

Table 9: Surface protection spec
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)
The SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Improper coating selection is the most common cause of magnet failure over time.

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 emitted by the magnet pole. Key data for generator designers and motors. The Pc coefficient defines the magnet's operating point.

Table 11: Submerged application
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: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
Water displaces steel, making heavy objects slightly lighter. Buoyancy helps in lifting finds.
1. Vertical hold

*Warning: On a vertical surface, the magnet retains only approx. 20-30% of its max power.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) severely reduces 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) = 1.21

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 specification and ecology
Material specification
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: 010083-2026
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This product is an exceptionally strong rod magnet, composed of advanced NdFeB material, which, with dimensions of Ø5x10 mm, guarantees optimal power. This specific item is characterized by high dimensional repeatability and professional build quality, making it a perfect solution for the most demanding 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 rapid order fulfillment. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, ensuring 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 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 immediate cracking of this professional component. To ensure stability in automation, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Magnets N38 are strong enough for the majority of applications in automation 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 available off-the-shelf in our warehouse.
The presented product is a neodymium magnet with precisely defined parameters: diameter 5 mm and height 10 mm. The key parameter here is the lifting capacity amounting to approximately 0.56 kg (force ~5.45 N), which, with such defined dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.
This cylinder is magnetized axially (along the height of 10 mm), which means that the N and S poles are located on the flat, circular surfaces. 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 diametrically if your project requires it.

Strengths and weaknesses of rare earth magnets.

Advantages

Besides their high retention, neodymium magnets are valued for these benefits:
  • They retain attractive force for around 10 years – the loss is just ~1% (according to analyses),
  • Neodymium magnets are extremely resistant to loss of magnetic properties caused by external field sources,
  • A magnet with a smooth gold surface is more attractive,
  • Magnetic induction on the surface of the magnet turns out to be strong,
  • Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
  • Possibility of detailed creating as well as optimizing to concrete requirements,
  • Significant place in advanced technology sectors – they are used in computer drives, electric drive systems, advanced medical instruments, and modern systems.
  • Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Limitations

Problematic aspects of neodymium magnets: tips and applications.
  • To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
  • Neodymium magnets lose their power 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 corrode. Therefore during 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 forms - recommended is casing - mounting mechanism.
  • Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the aspect of protecting the youngest. Additionally, small components of these devices are able to be problematic in diagnostics medical in case of swallowing.
  • With large orders the cost of neodymium magnets can be a barrier,

Lifting parameters

Maximum holding power of the magnet – what affects it?

The declared magnet strength concerns the peak performance, obtained under laboratory conditions, meaning:
  • with the contact of a sheet made of low-carbon steel, ensuring maximum field concentration
  • with a cross-section of at least 10 mm
  • characterized by lack of roughness
  • without the slightest air gap between the magnet and steel
  • under axial force vector (90-degree angle)
  • in stable room temperature

Practical lifting capacity: influencing factors

Bear in mind that the magnet holding may be lower subject to the following factors, in order of importance:
  • Distance – existence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which reduces capacity steeply (even by 50% at 0.5 mm).
  • Load vector – maximum parameter is reached only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of generating force.
  • Chemical composition of the base – low-carbon steel gives the best results. Higher carbon content reduce magnetic properties and holding force.
  • Base smoothness – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
  • Thermal conditions – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Lifting capacity testing was conducted on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under attempts to slide the magnet the holding force is lower. Moreover, even a small distance between the magnet and the plate decreases the holding force.

Safe handling of neodymium magnets
Implant safety

Individuals with a pacemaker have to keep an large gap from magnets. The magnetism can interfere with the operation of the implant.

Keep away from electronics

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

Safe operation

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

Warning for allergy sufferers

Nickel alert: The Ni-Cu-Ni coating contains nickel. If an allergic reaction happens, immediately stop working with magnets and wear gloves.

Bodily injuries

Big blocks can break fingers instantly. Never put your hand between two attracting surfaces.

Electronic hazard

Do not bring magnets near a wallet, laptop, or screen. The magnetism can permanently damage these devices and wipe information from cards.

Fire warning

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

Beware of splinters

NdFeB magnets are sintered ceramics, meaning they are fragile like glass. Collision of two magnets leads to them shattering into small pieces.

No play value

Adult use only. Small elements pose a choking risk, causing intestinal necrosis. Store away from children and animals.

Heat sensitivity

Keep cool. NdFeB magnets are sensitive to temperature. If you require resistance above 80°C, ask us about HT versions (H, SH, UH).

Security! Details about hazards in the article: Magnet Safety Guide.