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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

check specifications »

6.84 ZŁ with VAT / pcs + price for transport

5.56 ZŁ net + 23% VAT / pcs

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Detailed specification - 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

Physical analysis of the magnet - data

Presented information constitute the direct effect of a engineering simulation. Results are based on algorithms for the class Nd₂Fe₁₄B. Operational conditions may deviate from the simulation results. Treat these data as a reference point during assembly planning.

Table 1: Static force (pull vs gap) - power drop
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	warning
1 mm	4354 Gs 435.4 mT	4.94 kg / 4944.4 g 48.5 N	warning
2 mm	3652 Gs 365.2 mT	3.48 kg / 3479.0 g 34.1 N	warning
3 mm	3017 Gs 301.7 mT	2.37 kg / 2373.5 g 23.3 N	warning
5 mm	2015 Gs 201.5 mT	1.06 kg / 1058.7 g 10.4 N	safe
10 mm	773 Gs 77.3 mT	0.16 kg / 155.7 g 1.5 N	safe
15 mm	352 Gs 35.2 mT	0.03 kg / 32.3 g 0.3 N	safe
20 mm	186 Gs 18.6 mT	0.01 kg / 9.0 g 0.1 N	safe
30 mm	69 Gs 6.9 mT	0.00 kg / 1.3 g 0.0 N	safe
50 mm	18 Gs 1.8 mT	0.00 kg / 0.1 g 0.0 N	safe

Magnetic force drops drastically with every subsequent millimeter of spacing. Remember that even a microscopic distance (e.g., contamination, paint, rust) significantly reduces the pull force. Magnets operate strongest at the point of direct contact; air break nullifies the power. Notice how flashily the parameters fall, when the magnet does not adhere flatly to the metal substrate. When planning the assembly, eliminate redundant distances.

Table 2: Shear hold (vertical surface)
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 table below calculates the approximate weight limit necessary to cause the slippage of the magnet downwards against a upright steel wall (considering typical friction coefficient). The holding force is a function of the air gap between the magnet and the metal.

Table 3: Wall mounting (shearing) - 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 placing a magnet on a upright wall (e.g., a fridge), it you can count on barely about 20%-30% of nominal attraction strength. Gravity as well as a low friction coefficient mean that magnets move down easier than they detach. Want to create a vertical fastening? Remember that the sliding force is much weaker than the perpendicular breakaway force. On a smooth steel, the element will give way down under a noticeably lighter weight. Using a rubber coating can drastically improve the result.

Table 4: Material efficiency (saturation) - 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 thin sheet is unable to conduct the entire magnetic field, which weakens actual performance of the magnet. If you attach a powerful product to a weak sheet, the flux will pass right through and the attraction force will be weaker. To utilize 100% of this neodymium's power, you need a suitably thick backing of steel. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the magnet shows lower pull force. We recommend selecting the steel cross-section according to the table below.

Table 5: Working in heat (material behavior) - 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. Protect against heat – high temperature can permanently destroy this magnet. With increasing heat, the magnet's force briefly lowers. Do not use this magnet close to heaters higher than its operating temperature limit. Ignoring the limit will lead to permanent loss of magnetism.

*Technical advisory: Heat tolerance depends not only on the material grade, but also on the magnet's shape. Low-profile magnets (low Pc) are more susceptible to demagnetization sooner than taller cylinders. Red status in the table indicates permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field collision
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 magnetic products attract each other from a wider radius than a magnet and sheet setup. The setup of magnet-to-magnet generates a stronger field and a wider radius of performance. Planning to create a strong closure? Apply two magnets instead of a neodymium and a striker plate. Be careful that when bringing together two magnets, the impact force is massive. The repulsion force is marginally weaker than the attraction, but still significant.
*Field value between like poles reaches ~0 Gs at the geometric center of the gap (due to field cancellation).

Table 7: Hazards (electronics) - 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
Phone / Smartphone	40 Gs (4.0 mT)	4.0 cm
Remote	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 real danger to electronic devices as well as pacemakers. These NdFeB products produce a flux that prevents correct functioning of digital equipment. Be aware: the unseen radiation passes through tissues and glass. Special caution must be taken by people with cochlear implants and drug dispensers. Influence will be felt by: automatic timepieces, remotes, speakers, and displays. Do not place the magnet near cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (cracking risk) - warning
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

Neodymium magnets are delicate – a strong collision with metal risks their cracking. Control the attraction moment – a magnet released freely becomes dangerous. Kinetic force can cause material chips or painful pinches to fingers. Always hold the magnet during installation so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the magnet. Use safety goggles when playing 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: Construction 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)

Flux value emitted by the pole surface. Key data in coil applications as well as sensors. P_c value defines the magnet's operating point.

Table 11: Submerged application
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: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

The magnetic field penetrates through water without any losses. Buoyancy helps in lifting finds.

1. Shear force

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

2. Efficiency vs thickness

*Thin steel (e.g. 0.5mm PC case) severely weakens the holding force.

3. Thermal stability

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

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

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

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 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

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: 010391-2025

Measurement Calculator

Force (pull)

Force in kg

lbs

Field Strength

Gauss (Gs)

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UMC 36x6/4X8 / N38 - cylindrical magnetic holder

21.49 ZŁ brutto / pcs

This product is a very strong cylinder magnet, made from advanced NdFeB material, which, at dimensions of Ø14x10 mm, guarantees the highest energy density. The MW 14x10 / N38 model features high dimensional repeatability and professional build quality, making it an ideal solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 6.71 kg), this product is available off-the-shelf from our European logistics center, ensuring quick order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.

This model is perfect for building generators, advanced sensors, and efficient magnetic separators, where field concentration on a small surface counts. Thanks to the high power 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 recommended way is to glue them into holes with a slightly larger diameter (e.g., 14.1 mm) using two-component epoxy glues. 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 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 (Ø14x10), 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 14 mm and height 10 mm. The value of 65.83 N means that the magnet is capable of holding a weight many times exceeding its own mass of 11.55 g. The product has a [NiCuNi] coating, which protects the surface against oxidation, 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 14 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.

Advantages and disadvantages of Nd₂Fe₁₄B magnets.

Advantages

Apart from their notable power, neodymium magnets have these key benefits:

They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (based on calculations),
Neodymium magnets are extremely resistant to magnetic field loss caused by magnetic disturbances,
Thanks to the elegant finish, the plating of nickel, gold, or silver-plated gives an visually attractive appearance,
They are known for high magnetic induction at the operating surface, which increases their power,
Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
Thanks to freedom in constructing and the capacity to customize to specific needs,
Versatile presence in modern technologies – they are commonly used in HDD drives, electric motors, advanced medical instruments, and modern systems.
Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Cons

Problematic aspects of neodymium magnets: tips and applications.

At 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.
We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
When exposed to humidity, magnets start to rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
Due to limitations in creating threads and complex forms in magnets, we propose using cover - magnetic holder.
Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Furthermore, tiny parts of these products can complicate diagnosis medical in case of swallowing.
High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities

Pull force analysis

Breakaway strength of the magnet in ideal conditions – what affects it?

Magnet power was defined for the most favorable conditions, including:

using a sheet made of high-permeability steel, serving as a ideal flux conductor
possessing a thickness of min. 10 mm to ensure full flux closure
characterized by lack of roughness
under conditions of gap-free contact (metal-to-metal)
for force applied at a right angle (pull-off, not shear)
at ambient temperature room level

Determinants of lifting force in real conditions

In practice, the real power is determined by several key aspects, listed from most significant:

Distance (between the magnet and the metal), because even a very small clearance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the nominal value.
Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
Material composition – not every steel attracts identically. Alloy additives worsen the attraction effect.
Surface finish – ideal contact is possible only on polished steel. Rough texture create air cushions, reducing force.
Heat – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and in frost gain strength (up to a certain limit).

Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, whereas under attempts to slide the magnet the load capacity is reduced by as much as fivefold. Moreover, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.

Warnings

Metal Allergy

Warning for allergy sufferers: The nickel-copper-nickel coating consists of nickel. If redness appears, immediately stop working with magnets and use protective gear.

Bodily injuries

Large magnets can crush fingers in a fraction of a second. Do not place your hand betwixt two strong magnets.

Swallowing risk

NdFeB magnets are not toys. Accidental ingestion of several magnets may result in them pinching intestinal walls, which poses a critical condition and necessitates urgent medical intervention.

Health Danger

For implant holders: Strong magnetic fields affect electronics. Keep minimum 30 cm distance or request help to handle the magnets.

Machining danger

Dust generated during machining of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.

Operating temperature

Do not overheat. Neodymium magnets are sensitive to temperature. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Phone sensors

A powerful magnetic field interferes with the functioning of compasses in smartphones and navigation systems. Do not bring magnets close to a smartphone to avoid breaking the sensors.

Magnets are brittle

Neodymium magnets are sintered ceramics, which means they are very brittle. Impact of two magnets will cause them breaking into small pieces.

Respect the power

Use magnets consciously. Their huge power can surprise even experienced users. Be vigilant and do not underestimate their force.

Safe distance

Equipment safety: Neodymium magnets can ruin payment cards and delicate electronics (heart implants, hearing aids, mechanical watches).

Caution! Need more info? Read our article: Why are neodymium magnets dangerous?

MW 14x10 / N38 - cylindrical magnet

Detailed specification - MW 14x10 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical analysis of the magnet - data

Table 1: Static force (pull vs gap) - power drop MW 14x10 / N38

Table 2: Shear hold (vertical surface) MW 14x10 / N38

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

Table 4: Material efficiency (saturation) - power losses MW 14x10 / N38

Table 5: Working in heat (material behavior) - power drop MW 14x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field collision MW 14x10 / N38

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

Table 8: Dynamics (cracking risk) - warning MW 14x10 / N38

Table 9: Surface protection spec MW 14x10 / N38

Table 10: Construction data (Pc) MW 14x10 / N38

Table 11: Submerged application MW 14x10 / N38

1. Shear force

2. Efficiency vs thickness

3. Thermal stability

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

Material specification

Environmental data

Force (pull)

Field Strength

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UMC 36x6/4X8 / N38 - cylindrical magnetic holder

Advantages and disadvantages of Nd2Fe14B magnets.

Advantages

Cons

Pull force analysis

Breakaway strength of the magnet in ideal conditions – what affects it?

Determinants of lifting force in real conditions

Warnings

Metal Allergy

Bodily injuries

Swallowing risk

Health Danger

Machining danger

Operating temperature

Phone sensors

Magnets are brittle

Respect the power

Safe distance

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - power drop
MW 14x10 / N38

Table 2: Shear hold (vertical surface)
MW 14x10 / N38

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

Table 4: Material efficiency (saturation) - power losses
MW 14x10 / N38

Table 5: Working in heat (material behavior) - power drop
MW 14x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MW 14x10 / N38

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

Table 8: Dynamics (cracking risk) - warning
MW 14x10 / N38

Table 9: Surface protection spec
MW 14x10 / N38

Table 10: Construction data (P_c)
MW 14x10 / N38

Table 11: Submerged application
MW 14x10 / N38

Advantages and disadvantages of Nd₂Fe₁₄B magnets.