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MW 5x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010083

GTIN/EAN: 5906301810827

5.00
Load capacity 0.56 kg / 5.45 N Magnetic Induction 599.97 mT / 6000 Gs
Diameter Ø
5 mm [±0,1 mm]
Height
10 mm [±0,1 mm]
Weight
1.47 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
technical parameters »

0.800 zł with VAT / pcs + price for transport

0.650 zł net + 23% VAT / pcs

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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.

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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 analysis of the assembly - report

The following information represent the result of a mathematical simulation. Results are based on models for the class Nd2Fe14B. Actual conditions may differ. Use these calculations as a reference point during assembly planning.

Table 1: Static force (force 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 lbs
560.0 g / 5.5 N
 weak grip
1 mm 3743 Gs
374.3 mT
 0.22 kg / 0.48 lbs
218.7 g / 2.1 N
 weak grip
2 mm 2197 Gs
219.7 mT
 0.08 kg / 0.17 lbs
75.3 g / 0.7 N
 weak grip
3 mm 1325 Gs
132.5 mT
 0.03 kg / 0.06 lbs
27.4 g / 0.3 N
 weak grip
5 mm 570 Gs
57.0 mT
 0.01 kg / 0.01 lbs
5.1 g / 0.0 N
 weak grip
10 mm 137 Gs
13.7 mT
 0.00 kg / 0.00 lbs
0.3 g / 0.0 N
 weak grip
15 mm 54 Gs
5.4 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
20 mm 26 Gs
2.6 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
30 mm 9 Gs
0.9 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
Magnetic force weakens sharply with every subsequent millimeter of distance. Remember that even a very thin break (e.g., contamination, varnish, veneer) noticeably diminishes the holding power. Magnets work optimally during direct contact; gap kills the force. Notice how quickly the parameters plummet, when the magnet does not touch flatly to the steel surface. When calculating the mounting, discard additional spacers.

Table 2: Slippage 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 indicates the approximate force sufficient to initiate the slippage of the magnet downwards along a upright steel wall (assuming typical friction coefficient). This parameter is relative to the gap size between the magnet and the metal.

Table 3: Vertical assembly (shearing) - 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 element on a upright wall (e.g., a board), it you can count on barely approx. 1/5 of its maximum pull force. Gravity and a weak degree of grip cause that magnets slip easier than they detach. Planning a wall mount? Consider that the shear force is much weaker than the perpendicular breakaway force. On a painted metal, the holder will slip down under a much lighter load. Application of an anti-slip layer can significantly increase the grip.

Table 4: Material efficiency (saturation) - sheet metal selection
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 unable to conduct the entire magnetic field, which wastes potential of the holder. If you attach a powerful product to a thin surface, the flux will pass right through and the attraction force will be weaker. To squeeze full efficiency of this neodymium's power, you require a sufficiently solid piece of metal. The saturation effect means that on thin elements (e.g., thin profiles), the holder holds weaker. We advise picking the steel thickness according to the table below.

Table 5: Thermal stability (material behavior) - 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 irreversibly lose parameters past the thermal threshold. Protect against heat – high temperature can permanently destroy this magnet. With every degree above norm, the neodymium's capacity momentarily lowers. Do not use this product in hot environments higher than its safe range. Too high temperature will lead to irreversible degradation of magnetic properties.
*Important note: Thermal stability is determined by both grade, as well as the dimension ratios. Low-profile magnets (low Pc) may lose charge permanently at lower temperatures compared to rod magnets. The danger warning in the table points to permanent field degradation for this specific geometry.

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

Gap (mm) Attraction (kg/lbs) (N-S) Shear 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 magnets interact from a much further distance than a magnet and sheet combination. The connection of magnet-to-magnet creates a more powerful interaction and a larger range of performance. Want to build a strong closure? Use a pair of magnets instead of one magnet and a steel. Be careful that when bringing together two magnets, the pinch force is extreme. The repulsion force is slightly lower than the connection force, but still significant.
*The magnetic induction for N-N configuration drops to ~0 Gs at the geometric center between the magnets (caused by magnetic field nullification).
* Estimates show shear force of two same neodymium magnets (friction ~0.15 for Ni-Ni plating).

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
Mobile device 40 Gs (4.0 mT) 2.0 cm
Car key 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 poses a real danger to electronic devices as well as medical implants. These magnets produce a field that destroys function of digital equipment. Be aware: the unseen radiation passes through tissues and glass. Increased vigilance must be taken by people with hearing aids and drug dispensers. The risk also applies to: mechanical watches, remotes, speakers, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Collisions (kinetic energy) - collision effects
MW 5x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 10.07 km/h
(2.80 m/s)
 0.01 J
30 mm 10.08 km/h
(2.80 m/s)
 0.01 J
50 mm 10.08 km/h
(2.80 m/s)
 0.01 J
100 mm 10.08 km/h
(2.80 m/s)
 0.01 J
Magnetic elements are prone to chipping – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely becomes dangerous. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Be sure to control the product during bringing near metal so it doesn't slam with momentum against the steel surface. A collision at high speed almost guarantees destruction of the magnet. Wear eye protection when handling with large magnets.

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. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Electrical data (Pc)
MW 5x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 306 Mx 13.1 µWb
Pc Coefficient 1.21 High (Stable)
Total magnetic flux emitted by the magnet pole. Essential parameter for generator designers as well as sensors. Pc value defines the working geometry.

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: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.

1. Vertical hold

*Warning: On a vertical surface, the magnet holds merely ~20% of its max power.

2. Steel thickness impact

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

3. Heat tolerance

*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

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

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: 010083-2026
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The offered product is a very strong rod magnet, composed of durable NdFeB material, which, with dimensions of Ø5x10 mm, guarantees maximum efficiency. This specific item features high dimensional repeatability and industrial build quality, making it an ideal solution for the most demanding engineers and designers. As a magnetic rod with significant force (approx. 0.56 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Furthermore, its Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, guaranteeing 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 high power of 5.45 N with a weight of only 1.47 g, this cylindrical magnet is indispensable in electronics and wherever every gram matters.
Since our magnets have a tolerance of ±0.1mm, the recommended way is to glue them into holes with a slightly larger diameter (e.g., 5.1 mm) using epoxy glues. 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.
Grade N38 is the most frequently chosen 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 (Ø5x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf 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 value of 5.45 N means that the magnet is capable of holding a weight many times exceeding its own mass of 1.47 g. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.
This rod magnet 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 through the diameter if your project requires it.

Strengths and weaknesses of Nd2Fe14B magnets.

Advantages

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • They have unchanged lifting capacity, and over nearly 10 years their attraction force decreases symbolically – ~1% (in testing),
  • Magnets perfectly protect themselves against demagnetization caused by external fields,
  • By covering with a smooth coating of gold, the element gains an aesthetic look,
  • Magnets are distinguished by exceptionally strong magnetic induction on the active area,
  • Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Thanks to modularity in shaping and the ability to adapt to specific needs,
  • Wide application in innovative solutions – they are commonly used in computer drives, drive modules, medical equipment, and technologically advanced constructions.
  • Thanks to their power density, small magnets offer high operating force, with minimal size,

Disadvantages

Disadvantages of NdFeB magnets:
  • At very strong impacts they can crack, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
  • When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
  • We suggest cover - magnetic mechanism, due to difficulties in creating threads inside the magnet and complex forms.
  • Possible danger to health – tiny shards of magnets can be dangerous, if swallowed, which gains importance in the context of child health protection. Additionally, small elements of these devices can disrupt the diagnostic process medical when they are in the body.
  • Due to expensive raw materials, their price exceeds standard values,

Holding force characteristics

Maximum lifting force for a neodymium magnet – what contributes to it?

The specified lifting capacity concerns the peak performance, obtained under ideal test conditions, meaning:
  • on a plate made of mild steel, effectively closing the magnetic flux
  • with a cross-section minimum 10 mm
  • characterized by even structure
  • without the slightest air gap between the magnet and steel
  • for force acting at a right angle (pull-off, not shear)
  • in temp. approx. 20°C

Practical lifting capacity: influencing factors

Effective lifting capacity impacted by specific conditions, mainly (from priority):
  • Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Direction of force – highest force is reached only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly several times smaller (approx. 1/5 of the lifting capacity).
  • Base massiveness – insufficiently thick sheet does not close the flux, causing part of the power to be escaped to the other side.
  • Metal type – different alloys reacts the same. High carbon content weaken the attraction effect.
  • Surface quality – the smoother and more polished the surface, the better the adhesion and higher the lifting capacity. Unevenness creates an air distance.
  • Temperature influence – hot environment reduces pulling force. Too high temperature can permanently demagnetize the magnet.

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the holding force is lower. In addition, even a slight gap between the magnet and the plate reduces the holding force.

Safety rules for work with NdFeB magnets
Compass and GPS

Navigation devices and smartphones are highly susceptible to magnetism. Close proximity with a strong magnet can ruin the internal compass in your phone.

Fragile material

Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Fire warning

Powder generated during cutting of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Adults only

Absolutely store magnets out of reach of children. Choking hazard is high, and the effects of magnets clamping inside the body are fatal.

Powerful field

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

Power loss in heat

Control the heat. Exposing the magnet to high heat will ruin its properties and strength.

Bone fractures

Big blocks can crush fingers in a fraction of a second. Never place your hand between two strong magnets.

Nickel coating and allergies

Warning for allergy sufferers: The nickel-copper-nickel coating consists of nickel. If an allergic reaction occurs, cease handling magnets and wear gloves.

Medical implants

People with a ICD should maintain an large gap from magnets. The magnetism can interfere with the functioning of the implant.

Protect data

Powerful magnetic fields can destroy records on payment cards, HDDs, and storage devices. Maintain a gap of at least 10 cm.

Important! Details about risks in the article: Magnet Safety Guide.