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MW 14x10 / N38 - cylindrical magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: 1-6500
Rating: 5

cylindrical magnet

Catalog no 010391

GTIN/EAN: 5906301811084

5.00

Diameter Ø

14 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

11.55 g

Magnetization Direction

↑ axial

Load capacity

6.71 kg / 65.83 N

Magnetic Induction

507.48 mT / 5075 Gs

Coating

[NiCuNi] Nickel

6.84 ZŁ with VAT / pcs + price for transport

5.56 ZŁ net + 23% VAT / pcs

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MW 14x10 / N38 - cylindrical magnet

Specification / characteristics MW 14x10 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010391
GTIN/EAN	5906301811084
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	14 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	11.55 g
Magnetization Direction	↑ axial
Load capacity ~ ?	6.71 kg / 65.83 N
Magnetic Induction ~ ?	507.48 mT / 5075 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14x10 / 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

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 analysis of the product - data

Presented data represent the outcome of a mathematical simulation. Results were calculated on algorithms for the material Nd₂Fe₁₄B. Actual conditions may differ. Please consider these calculations as a reference point when designing systems.

Table 1: Static force (pull vs distance) - interaction chart
MW 14x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg)	Risk Status
0 mm	5072 Gs 507.2 mT	6.71 kg / 6710.0 g 65.8 N	medium risk
1 mm	4354 Gs 435.4 mT	4.94 kg / 4944.4 g 48.5 N	medium risk
2 mm	3652 Gs 365.2 mT	3.48 kg / 3479.0 g 34.1 N	medium risk
3 mm	3017 Gs 301.7 mT	2.37 kg / 2373.5 g 23.3 N	medium risk
5 mm	2015 Gs 201.5 mT	1.06 kg / 1058.7 g 10.4 N	weak grip
10 mm	773 Gs 77.3 mT	0.16 kg / 155.7 g 1.5 N	weak grip
15 mm	352 Gs 35.2 mT	0.03 kg / 32.3 g 0.3 N	weak grip
20 mm	186 Gs 18.6 mT	0.01 kg / 9.0 g 0.1 N	weak grip
30 mm	69 Gs 6.9 mT	0.00 kg / 1.3 g 0.0 N	weak grip
50 mm	18 Gs 1.8 mT	0.00 kg / 0.1 g 0.0 N	weak grip

Magnetic force drops significantly per each millimeter of distance. Remember that even a microscopic distance (e.g., contamination, varnish, veneer) significantly diminishes the holding power. Neodymiums work strongest during direct contact; air break nullifies the power. Notice how quickly the load capacity fall, when the product does not touch tightly to the steel surface. When calculating the arrangement, avoid unnecessary gaps.

Table 2: Sliding capacity (wall)
MW 14x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg)
0 mm	Stal (~0.2)	1.34 kg / 1342.0 g 13.2 N
1 mm	Stal (~0.2)	0.99 kg / 988.0 g 9.7 N
2 mm	Stal (~0.2)	0.70 kg / 696.0 g 6.8 N
3 mm	Stal (~0.2)	0.47 kg / 474.0 g 4.6 N
5 mm	Stal (~0.2)	0.21 kg / 212.0 g 2.1 N
10 mm	Stal (~0.2)	0.03 kg / 32.0 g 0.3 N
15 mm	Stal (~0.2)	0.01 kg / 6.0 g 0.1 N
20 mm	Stal (~0.2)	0.00 kg / 2.0 g 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N

The following data calculates the approximate weight limit sufficient to start the slippage of the magnet vertically on a upright steel plate (considering typical friction). This value is relative to the distance between the magnet and the metal.

Table 3: Wall mounting (sliding) - vertical pull
MW 14x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.01 kg / 2013.0 g 19.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.34 kg / 1342.0 g 13.2 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.67 kg / 671.0 g 6.6 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	3.36 kg / 3355.0 g 32.9 N

When hanging a element on a vertical surface (e.g., a car body), it will maintain barely about 20%-30% of its nominal power. Gravitational force and a low friction coefficient mean that magnets slip faster than they pop off the substrate. Planning a hanger? Remember that the shear force is noticeably lower than the perpendicular breakaway force. On a painted metal, the element will slip down under a much lighter cargo. Utilizing a rubberized layer can effectively improve the result.

Table 4: Steel thickness (substrate influence) - power losses
MW 14x10 / N38

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	10%	0.67 kg / 671.0 g 6.6 N
1 mm	25%	1.68 kg / 1677.5 g 16.5 N
2 mm	50%	3.36 kg / 3355.0 g 32.9 N
5 mm	100%	6.71 kg / 6710.0 g 65.8 N
10 mm	100%	6.71 kg / 6710.0 g 65.8 N

A too thin steel is not enough to conduct the full magnetic flux, which wastes potential of the holder. If you mount a strong magnet to a thin surface, the field will penetrate right through and the pull force will drop sharply. To squeeze full efficiency of this magnet's potential, you need a suitably thick element of metal. The saturation effect causes that on thin elements (e.g., appliance housings), the holder shows lower pull force. We advise picking the steel cross-section from these parameters.

Table 5: Thermal stability (stability) - power drop
MW 14x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull	Status
20 °C	0.0%	6.71 kg / 6710.0 g 65.8 N	OK
40 °C	-2.2%	6.56 kg / 6562.4 g 64.4 N	OK
60 °C	-4.4%	6.41 kg / 6414.8 g 62.9 N	OK
80 °C	-6.6%	6.27 kg / 6267.1 g 61.5 N
100 °C	-28.8%	4.78 kg / 4777.5 g 46.9 N

Standard neodymium magnets irreversibly lose strength after exceeding the maximum temperature. Avoid high temperatures – heat can permanently demagnetize this magnet. As the temperature rises, the neodymium's power temporarily lowers. Avoid using this product close to heaters higher than its operating temperature limit. Exceeding the critical threshold will result in destruction of magnetism.

*Engineering note: Heat tolerance depends not only on the material grade, and the Permeance Coefficient Pc. Low-profile magnets (low Pc) risk losing magnetic properties 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: Two magnets (attraction) - field range
MW 14x10 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	24.41 kg / 24414 g 239.5 N 5 843 Gs	N/A
1 mm	21.12 kg / 21116 g 207.1 N 9 434 Gs	19.00 kg / 19004 g 186.4 N ~0 Gs
2 mm	17.99 kg / 17990 g 176.5 N 8 708 Gs	16.19 kg / 16191 g 158.8 N ~0 Gs
3 mm	15.16 kg / 15161 g 148.7 N 7 994 Gs	13.65 kg / 13645 g 133.9 N ~0 Gs
5 mm	10.49 kg / 10487 g 102.9 N 6 649 Gs	9.44 kg / 9439 g 92.6 N ~0 Gs
10 mm	3.85 kg / 3852 g 37.8 N 4 029 Gs	3.47 kg / 3467 g 34.0 N ~0 Gs
20 mm	0.57 kg / 567 g 5.6 N 1 545 Gs	0.51 kg / 510 g 5.0 N ~0 Gs
50 mm	0.01 kg / 11 g 0.1 N 218 Gs	0.01 kg / 10 g 0.1 N ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a neodymium and metal setup. The setup of two magnets generates a stronger field and a wider radius of action. Planning to create a solid fastener? Utilize two neodymiums instead of one magnet and a steel. Be careful that when bringing together two magnets, the impact force is massive. The repulsion force is a bit weaker than the attraction, but still large.
*The magnetic induction for N-N configuration drops to ~0 Gs at the geometric center of the gap (caused by magnetic field nullification).

Table 7: Hazards (implants) - warnings
MW 14x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	8.0 cm
Hearing aid	10 Gs (1.0 mT)	6.5 cm
Timepiece	20 Gs (2.0 mT)	5.0 cm
Mobile device	40 Gs (4.0 mT)	4.0 cm
Car key	50 Gs (5.0 mT)	3.5 cm
Payment card	400 Gs (40.0 mT)	1.5 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Extremely neodym field is a large risk to electronics and medical implants. These neodymiums generate a field that disrupts operation of sensitive medical devices. Notice: the invisible magnetic field passes through tissues and plastic. Exceptional care must be taken by people with cochlear implants and drug dispensers. Also at risk are: mechanical watches, car keys, membranes, and displays. Do not place the magnet near cards, hard drives, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - collision effects
MW 14x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	24.66 km/h (6.85 m/s)	0.27 J
30 mm	42.11 km/h (11.70 m/s)	0.79 J
50 mm	54.36 km/h (15.10 m/s)	1.32 J
100 mm	76.87 km/h (21.35 m/s)	2.63 J

Magnetic elements are delicate – a strong collision with metal risks their cracking. Control the attraction moment – a neodymium left loose turns into a projectile. Impact energy can trigger coating fragments or dangerous crushing to fingers. Hold the magnet firmly during installation so it doesn't hit violently against the steel surface. A collision at high speed means shattering of the magnet. Wear eye protection when handling with powerful specimens.

Table 9: Surface protection spec
MW 14x10 / 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: Electrical data (P_c)
MW 14x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	7 886 Mx	78.9 µWb
P_c Coefficient	0.74	High (Stable)

Total magnetic flux passing through the pole surface. Key data when building generators as well as sensors. The P_c coefficient determines the magnet's operating point.

Table 11: Physics of underwater searching
MW 14x10 / N38

Environment	Effective steel pull	Effect
Air (land)	6.71 kg	Standard
Water (riverbed)	7.68 kg (+0.97 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. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Vertical hold

*Note: On a vertical surface, the magnet holds merely ~20% of its perpendicular strength.

2. Steel saturation

*Thin metal sheet (e.g. 0.5mm PC case) severely limits the holding force.

3. Power loss vs temp

*For standard magnets, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.74

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 P_c (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 P_c 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%

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: 010391-2025

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The presented product is an extremely powerful cylinder magnet, composed of durable NdFeB material, which, with dimensions of Ø14x10 mm, guarantees optimal power. The MW 14x10 / N38 component is characterized by a tolerance of ±0.1mm and industrial build quality, making it a perfect solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 6.71 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in standard 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 pull force of 65.83 N with a weight of only 11.55 g, this rod is indispensable in electronics and wherever low weight is crucial.

Since our magnets have a very precise dimensions, the best method is to glue them into holes with a slightly larger diameter (e.g., 14.1 mm) using two-component epoxy glues. To ensure stability in industry, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.

Grade N38 is the most frequently chosen standard for professional neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø14x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.

This model is characterized by dimensions Ø14x10 mm, which, at a weight of 11.55 g, makes it an element with impressive magnetic energy density. The key parameter here is the holding force amounting to approximately 6.71 kg (force ~65.83 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 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 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 rare earth magnets.

Advantages

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:

They do not lose power, even after around 10 years – the reduction in strength is only ~1% (based on measurements),
They retain their magnetic properties even under strong external field,
The use of an shiny layer of noble metals (nickel, gold, silver) causes the element to have aesthetics,
The surface of neodymium magnets generates a unique magnetic field – this is a distinguishing feature,
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...
Thanks to flexibility in shaping and the capacity to adapt to complex applications,
Wide application in innovative solutions – they serve a role in magnetic memories, electric drive systems, advanced medical instruments, also industrial machines.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in compact constructions

Limitations

Disadvantages of neodymium magnets:

At very strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as 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. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation as well as corrosion.
Limited possibility of making threads in the magnet and complicated shapes - preferred is a housing - magnet mounting.
Potential hazard to health – tiny shards of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child safety. It is also worth noting that tiny parts of these devices are able to be problematic in diagnostics medical when they are in the body.
With large orders the cost of neodymium magnets can be a barrier,

Holding force characteristics

Maximum lifting force for a neodymium magnet – what it depends on?

The declared magnet strength represents the maximum value, recorded under optimal environment, specifically:

with the contact of a yoke made of low-carbon steel, ensuring full magnetic saturation
possessing a thickness of min. 10 mm to avoid saturation
characterized by even structure
under conditions of gap-free contact (metal-to-metal)
during pulling in a direction vertical to the mounting surface
in stable room temperature

Practical aspects of lifting capacity – factors

Please note that the magnet holding may be lower depending on the following factors, in order of importance:

Gap (betwixt the magnet and the metal), since even a very small distance (e.g. 0.5 mm) leads to a reduction in force by up to 50% (this also applies to varnish, rust or debris).
Direction of force – maximum parameter is available only during perpendicular pulling. The resistance to sliding of the magnet along the plate is standardly several times lower (approx. 1/5 of the lifting capacity).
Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of generating force.
Steel grade – the best choice is high-permeability steel. Cast iron may attract less.
Surface condition – ground elements ensure maximum contact, which increases force. Rough surfaces weaken the grip.
Heat – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Holding force was tested on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under attempts to slide the magnet the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the holding force.

Safe handling of neodymium magnets

Electronic devices

Do not bring magnets near a purse, laptop, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Precision electronics

Remember: rare earth magnets produce a field that confuses precision electronics. Maintain a safe distance from your phone, tablet, and GPS.

Choking Hazard

Only for adults. Tiny parts can be swallowed, leading to intestinal necrosis. Store away from kids and pets.

Conscious usage

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

Warning for allergy sufferers

Medical facts indicate that the nickel plating (the usual finish) is a strong allergen. If your skin reacts to metals, prevent touching magnets with bare hands and opt for coated magnets.

Dust is flammable

Dust generated during machining of magnets is combustible. Do not drill into magnets unless you are an expert.

Risk of cracking

Watch out for shards. Magnets can explode upon violent connection, launching sharp fragments into the air. We recommend safety glasses.

Implant safety

For implant holders: Powerful magnets affect medical devices. Keep minimum 30 cm distance or ask another person to work with the magnets.

Bodily injuries

Pinching hazard: The attraction force is so immense that it can cause hematomas, crushing, and even bone fractures. Protective gloves are recommended.

Operating temperature

Keep cool. NdFeB magnets are sensitive to heat. If you need resistance above 80°C, inquire about special high-temperature series (H, SH, UH).

Caution! More info about hazards in the article: Safety of working with magnets.

MW 14x10 / N38 - cylindrical magnet

Want to talk magnets?

MW 14x10 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the product - data

1. Vertical hold

2. Steel saturation

3. Power loss vs temp

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

Chemical composition

Sustainability

Pulling force

Magnetic Induction

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Advantages as well as disadvantages of rare earth magnets.

Advantages

Limitations

Holding force characteristics

Maximum lifting force for a neodymium magnet – what it depends on?

Practical aspects of lifting capacity – factors

Electronic devices

Precision electronics

Choking Hazard

Conscious usage

Warning for allergy sufferers

Dust is flammable

Risk of cracking

Implant safety

Bodily injuries

Operating temperature

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C