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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

technical parameters »

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Technical of the product - 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 product - report

Presented information constitute the result of a mathematical calculation. Values were calculated on algorithms for the material Nd₂Fe₁₄B. Operational parameters may differ from theoretical values. Please consider these calculations as a reference point for designers.

Table 1: Static pull 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	low risk
10 mm	773 Gs 77.3 mT	0.16 kg / 155.7 g 1.5 N	low risk
15 mm	352 Gs 35.2 mT	0.03 kg / 32.3 g 0.3 N	low risk
20 mm	186 Gs 18.6 mT	0.01 kg / 9.0 g 0.1 N	low risk
30 mm	69 Gs 6.9 mT	0.00 kg / 1.3 g 0.0 N	low risk
50 mm	18 Gs 1.8 mT	0.00 kg / 0.1 g 0.0 N	low risk

Grip strength drops sharply with every subsequent millimeter of distance. Note that even a microscopic distance (e.g., dirt, varnish, dust) noticeably weakens the grip. Neodymiums operate strongest at the point of direct contact; gap drastically cuts the force. Analyze how quickly the parameters drop, when the magnet does not touch directly to the metal substrate. When calculating the assembly, eliminate unnecessary gaps.

Table 2: Slippage load (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 table below calculates the estimated weight limit needed to initiate the shifting of the magnet vertically along a vertical steel wall (assuming typical friction coefficient). The holding force depends on the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
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 holder on a upright plane (e.g., a fridge), it you can count on barely about 1/5 of its nominal power. Gravitational force and a low friction coefficient mean that products move down easier than they pull off. Planning a wall mount? Remember that the sliding force is much weaker than the maximum static pull force. On a slippery surface, the magnet will slide down under a significantly smaller weight. Application of an anti-slip pad can drastically increase the grip.

Table 4: Material efficiency (saturation) - sheet metal selection
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 incapable of focus the full magnetic flux, which squanders power of the magnet. If you install a neodymium to a thin surface, the flux will pass right through and the attraction force will be weaker. To achieve 100% of this neodymium's power, you require a sufficiently solid element of metal. The saturation effect causes that on sheet metal structures (e.g., appliance housings), the magnet shows lower pull force. We advise picking the steel dimension from these parameters.

Table 5: Working in heat (stability) - resistance threshold
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

Ordinary NdFeB products change their properties power above the temperature limit. Protect against heat – excessive heat can irreversibly destroy this magnet. With every degree above norm, the neodymium's force briefly drops. Avoid using this magnet near heat sources exceeding its safe range. Too high temperature will result in irreversible degradation of magnetism.

*Technical advisory: Thermal stability is determined by both grade, and the Permeance Coefficient Pc. Flat magnets (pancake types) may lose charge permanently sooner compared to rod magnets. The danger warning in the table signals permanent field degradation for this specific geometry.

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 strong neodymiums interact from a wider radius than a neodymium and metal setup. Such a system of two magnets creates a more powerful interaction and a wider radius of operation. Want to build a powerful holder? Use a pair of magnets instead of one magnet and a striker plate. Exercise caution that when bringing together two magnets, the impact force is massive. The repulsion force is marginally weaker than the connection force, but still impressive.
*Flux density for N-N configuration reaches ~0 Gs at the midpoint of the gap (caused by magnetic field nullification).

Table 7: Protective zones (implants) - precautionary measures
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
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

Powerful magnet radiation poses a real danger to IT equipment as well as pacemakers. These NdFeB products generate a field that destroys function of digital equipment. Notice: the invisible magnetic field penetrates the body and plastic. Special caution must be taken by people with hearing aids and insulin pumps. Influence will be felt by: mechanical watches, car keys, speakers, and displays. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (kinetic energy) - 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

NdFeB products are very brittle – a violent impact against metal risks their cracking. Pay attention to connection velocity – a neodymium left loose turns into a projectile. Impact energy can cause material chips or dangerous crushing to fingers. Always hold the magnet during installation so it doesn't slam with momentum against the steel surface. A collision at high speed means shattering of the neodymium. Wear safety glasses when handling with powerful specimens.

Table 9: Anti-corrosion coating durability
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 following table defines the conditions under which this product can be safely used. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Construction data (Flux)
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 emitted by the pole surface. Key data for generator designers and motors. P_c value determines the working geometry.

Table 11: Hydrostatics and buoyancy
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.

Water displaces steel, making heavy objects slightly lighter. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Sliding resistance

*Note: On a vertical surface, the magnet holds only a fraction of its max power.

2. Efficiency vs thickness

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

3. Thermal stability

*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

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

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The offered product is an incredibly powerful cylinder magnet, made from advanced NdFeB material, which, at dimensions of Ø14x10 mm, guarantees the highest energy density. This specific item is characterized by a tolerance of ±0.1mm and professional build quality, making it an excellent solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 6.71 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Additionally, its Ni-Cu-Ni coating effectively protects it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.

It finds application in DIY projects, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 65.83 N with a weight of only 11.55 g, this rod is indispensable in miniature devices and wherever every gram matters.

Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks chipping the coating of this professional component. To ensure long-term durability in industry, anaerobic resins 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 (Ø14x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.

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 lifting capacity amounting to approximately 6.71 kg (force ~65.83 N), which, with such compact dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface against external factors, 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. 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 through the diameter if your project requires it.

Strengths as well as weaknesses of neodymium magnets.

Benefits

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

They have unchanged lifting capacity, and over more than ten years their attraction force decreases symbolically – ~1% (in testing),
Neodymium magnets prove to be remarkably resistant to loss of magnetic properties caused by magnetic disturbances,
By using a reflective coating of gold, the element has an nice look,
They are known for high magnetic induction at the operating surface, which affects their effectiveness,
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...
Due to the potential of accurate forming and customization to custom projects, magnetic components can be produced in a wide range of shapes and sizes, which makes them more universal,
Fundamental importance in innovative solutions – they are used in HDD drives, electric drive systems, diagnostic systems, and multitasking production systems.
Thanks to their power density, small magnets offer high operating force, with minimal size,

Limitations

Disadvantages of NdFeB magnets:

They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
Neodymium magnets decrease their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
We recommend cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complicated forms.
Potential hazard resulting from small fragments of magnets are risky, if swallowed, which becomes key in the context of child safety. It is also worth noting that small elements of these devices are able to disrupt the diagnostic process medical in case of swallowing.
Due to expensive raw materials, their price is relatively high,

Pull force analysis

Maximum magnetic pulling force – what it depends on?

Information about lifting capacity was determined for optimal configuration, taking into account:

using a base made of mild steel, functioning as a ideal flux conductor
whose thickness is min. 10 mm
characterized by lack of roughness
with total lack of distance (without coatings)
under axial force vector (90-degree angle)
at temperature approx. 20 degrees Celsius

Determinants of practical lifting force of a magnet

In practice, the actual holding force depends on many variables, ranked from the most important:

Distance – existence of any layer (paint, dirt, air) interrupts the magnetic circuit, which lowers power steeply (even by 50% at 0.5 mm).
Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops significantly, often to levels of 20-30% of the nominal value.
Base massiveness – insufficiently thick steel does not accept the full field, causing part of the power to be lost into the air.
Steel grade – ideal substrate is high-permeability steel. Hardened steels may attract less.
Surface structure – the more even the surface, the larger the contact zone and stronger the hold. Unevenness creates an air distance.
Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they lose power, and in frost gain strength (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a slight gap between the magnet and the plate reduces the holding force.

Precautions when working with NdFeB magnets

Magnets are brittle

Protect your eyes. Magnets can fracture upon uncontrolled impact, ejecting shards into the air. Wear goggles.

Powerful field

Before use, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.

Power loss in heat

Regular neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. The loss of strength is permanent.

Danger to the youngest

Neodymium magnets are not intended for children. Accidental ingestion of several magnets can lead to them attracting across intestines, which poses a critical condition and requires immediate surgery.

Sensitization to coating

Studies show that nickel (the usual finish) is a potent allergen. If your skin reacts to metals, avoid direct skin contact or select encased magnets.

Machining danger

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

Electronic devices

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

Crushing risk

Risk of injury: The attraction force is so immense that it can cause hematomas, pinching, and broken bones. Protective gloves are recommended.

Implant safety

Warning for patients: Powerful magnets affect medical devices. Maintain minimum 30 cm distance or ask another person to work with the magnets.

Phone sensors

Note: rare earth magnets produce a field that interferes with sensitive sensors. Maintain a separation from your phone, tablet, and GPS.

Caution! More info about hazards in the article: Magnet Safety Guide.

MW 14x10 / N38 - cylindrical magnet

Technical of the product - MW 14x10 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical analysis of the product - report

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

Table 2: Slippage load (wall) MW 14x10 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces MW 14x10 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MW 14x10 / N38

Table 5: Working in heat (stability) - resistance threshold MW 14x10 / N38

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

Table 7: Protective zones (implants) - precautionary measures MW 14x10 / N38

Table 8: Dynamics (kinetic energy) - collision effects MW 14x10 / N38

Table 9: Anti-corrosion coating durability MW 14x10 / N38

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

Table 11: Hydrostatics and buoyancy MW 14x10 / N38

1. Sliding resistance

2. Efficiency vs thickness

3. Thermal stability

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

Material specification

Environmental data

Pulling force

Magnetic Induction

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MW 16x9 / N38 - cylindrical magnet

Strengths as well as weaknesses of neodymium magnets.

Benefits

Limitations

Pull force analysis

Maximum magnetic pulling force – what it depends on?

Determinants of practical lifting force of a magnet

Precautions when working with NdFeB magnets

Magnets are brittle

Powerful field

Power loss in heat

Danger to the youngest

Sensitization to coating

Machining danger

Electronic devices

Crushing risk

Implant safety

Phone sensors

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

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

Table 2: Slippage load (wall)
MW 14x10 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MW 14x10 / N38

Table 4: Material efficiency (saturation) - sheet metal selection
MW 14x10 / N38

Table 5: Working in heat (stability) - resistance threshold
MW 14x10 / N38

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

Table 7: Protective zones (implants) - precautionary measures
MW 14x10 / N38

Table 8: Dynamics (kinetic energy) - collision effects
MW 14x10 / N38

Table 9: Anti-corrosion coating durability
MW 14x10 / N38

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

Table 11: Hydrostatics and buoyancy
MW 14x10 / N38