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MW 6x2 / 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 010092

GTIN/EAN: 5906301810919

5.00

Diameter Ø

6 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

0.42 g

Magnetization Direction

↑ axial

Load capacity

0.86 kg / 8.43 N

Magnetic Induction

343.37 mT / 3434 Gs

Coating

[NiCuNi] Nickel

0.246 ZŁ with VAT / pcs + price for transport

0.200 ZŁ net + 23% VAT / pcs

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MW 6x2 / N38 - cylindrical magnet

Specification / characteristics MW 6x2 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010092
GTIN/EAN	5906301810919
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	6 mm [±0,1 mm]
Height	2 mm [±0,1 mm]
Weight	0.42 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.86 kg / 8.43 N
Magnetic Induction ~ ?	343.37 mT / 3434 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 6x2 / 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 modeling of the product - technical parameters

The following data constitute the result of a engineering analysis. Values rely on models for the class Nd₂Fe₁₄B. Real-world performance might slightly differ. Treat these data as a reference point when designing systems.

Table 1: Static pull force (force vs distance) - interaction chart
MW 6x2 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg)	Risk Status
0 mm	3430 Gs 343.0 mT	0.86 kg / 860.0 g 8.4 N	low risk
1 mm	2423 Gs 242.3 mT	0.43 kg / 429.2 g 4.2 N	low risk
2 mm	1521 Gs 152.1 mT	0.17 kg / 169.0 g 1.7 N	low risk
3 mm	932 Gs 93.2 mT	0.06 kg / 63.5 g 0.6 N	low risk
5 mm	382 Gs 38.2 mT	0.01 kg / 10.7 g 0.1 N	low risk
10 mm	76 Gs 7.6 mT	0.00 kg / 0.4 g 0.0 N	low risk
15 mm	26 Gs 2.6 mT	0.00 kg / 0.0 g 0.0 N	low risk
20 mm	12 Gs 1.2 mT	0.00 kg / 0.0 g 0.0 N	low risk
30 mm	4 Gs 0.4 mT	0.00 kg / 0.0 g 0.0 N	low risk
50 mm	1 Gs 0.1 mT	0.00 kg / 0.0 g 0.0 N	low risk

Magnetic force weakens significantly per each millimeter of distance. Remember that even a very thin break (e.g., dirt, paint, dust) strongly diminishes the holding power. Magnetic products operate optimally in perfect adhesion; distance drastically cuts the power. Analyze how quickly the parameters drop, when the magnet does not adhere directly to the metal substrate. When designing the assembly, avoid redundant distances.

Table 2: Slippage capacity (vertical surface)
MW 6x2 / N38

Distance (mm)	Friction coefficient	Pull Force (kg)
0 mm	Stal (~0.2)	0.17 kg / 172.0 g 1.7 N
1 mm	Stal (~0.2)	0.09 kg / 86.0 g 0.8 N
2 mm	Stal (~0.2)	0.03 kg / 34.0 g 0.3 N
3 mm	Stal (~0.2)	0.01 kg / 12.0 g 0.1 N
5 mm	Stal (~0.2)	0.00 kg / 2.0 g 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.0 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 shows the approximate force necessary to start the downward movement of the magnet downwards against a upright steel plate (assuming standard friction coefficient). This value depends on the separation distance between the magnet and the metal.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MW 6x2 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.26 kg / 258.0 g 2.5 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.17 kg / 172.0 g 1.7 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.09 kg / 86.0 g 0.8 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.43 kg / 430.0 g 4.2 N

When mounting a holder on a vertical wall (e.g., a fridge), it you can count on barely approx. 20%-30% of its nominal power. Gravity as well as a low friction coefficient mean that products slip easier than they pull off. Designing a wall mount? Remember that the shear force is noticeably lower than the perpendicular breakaway force. On a painted metal, the element will slip down under a noticeably lighter weight. Using a rubber layer can drastically improve the result.

Table 4: Material efficiency (saturation) - power losses
MW 6x2 / N38

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	10%	0.09 kg / 86.0 g 0.8 N
1 mm	25%	0.22 kg / 215.0 g 2.1 N
2 mm	50%	0.43 kg / 430.0 g 4.2 N
5 mm	100%	0.86 kg / 860.0 g 8.4 N
10 mm	100%	0.86 kg / 860.0 g 8.4 N

A thin sheet is incapable of absorb the full magnetic flux, which weakens actual performance of the magnet. Should you mount a strong magnet to a weak sheet, the field will penetrate right through and the attraction force will be weaker. To squeeze 100% of this neodymium's power, you require a sufficiently solid piece of steel. The saturation effect means that on delicate walls (e.g., thin profiles), the holder holds weaker. We suggest choosing the steel thickness from these parameters.

Table 5: Thermal resistance (material behavior) - power drop
MW 6x2 / N38

Ambient temp. (°C)	Power loss	Remaining pull	Status
20 °C	0.0%	0.86 kg / 860.0 g 8.4 N	OK
40 °C	-2.2%	0.84 kg / 841.1 g 8.3 N	OK
60 °C	-4.4%	0.82 kg / 822.2 g 8.1 N
80 °C	-6.6%	0.80 kg / 803.2 g 7.9 N
100 °C	-28.8%	0.61 kg / 612.3 g 6.0 N

Standard neodymium magnets lose parameters past the thermal threshold. Avoid high temperatures – excessive heat can irreversibly demagnetize this magnet. With increasing heat, the neodymium's force briefly drops. Do not use this magnet close to heaters exceeding its operating temperature limit. Too high temperature will result in destruction of magnetism.

*Technical advisory: Thermal stability depends not only on the material grade, and the Permeance Coefficient Pc. Low-profile magnets (low permeance coefficient) are more susceptible to demagnetization under lower heat stress compared to rod magnets. Warning indicator in the table signals permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 6x2 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	2.05 kg / 2051 g 20.1 N 4 944 Gs	N/A
1 mm	1.52 kg / 1517 g 14.9 N 5 900 Gs	1.37 kg / 1365 g 13.4 N ~0 Gs
2 mm	1.02 kg / 1024 g 10.0 N 4 847 Gs	0.92 kg / 921 g 9.0 N ~0 Gs
3 mm	0.65 kg / 652 g 6.4 N 3 869 Gs	0.59 kg / 587 g 5.8 N ~0 Gs
5 mm	0.25 kg / 247 g 2.4 N 2 379 Gs	0.22 kg / 222 g 2.2 N ~0 Gs
10 mm	0.03 kg / 25 g 0.2 N 764 Gs	0.02 kg / 23 g 0.2 N ~0 Gs
20 mm	0.00 kg / 1 g 0.0 N 153 Gs	0.00 kg / 0 g 0.0 N ~0 Gs
50 mm	0.00 kg / 0 g 0.0 N 12 Gs	0.00 kg / 0 g 0.0 N ~0 Gs

Two magnets attract each other from a significantly greater distance than a magnet and steel combination. Such a system of magnet-to-magnet creates a more powerful interaction and a further horizon of action. Want to build a solid fastener? Apply two magnets instead of one magnet and a striker plate. Be careful that when connecting a pair of magnets, the collision energy is massive. The levitation is slightly lower than the connection force, but still significant.
*The magnetic induction in repulsion mode is approximately ~0 Gs at the geometric center between the magnets (due to field cancellation).

Table 7: Protective zones (implants) - warnings
MW 6x2 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	3.0 cm
Hearing aid	10 Gs (1.0 mT)	2.5 cm
Mechanical watch	20 Gs (2.0 mT)	2.0 cm
Mobile device	40 Gs (4.0 mT)	1.5 cm
Car key	50 Gs (5.0 mT)	1.5 cm
Payment card	400 Gs (40.0 mT)	0.5 cm
HDD hard drive	600 Gs (60.0 mT)	0.5 cm

Powerful magnet radiation is a large risk to IT equipment and pacemakers. These magnets produce a field that destroys function of sensitive medical devices. Notice: the unseen radiation passes through tissues and glass. Special caution must be exercised by people with cochlear implants and drug dispensers. The risk also applies to: automatic timepieces, car keys, speakers, and displays. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (cracking risk) - warning
MW 6x2 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	45.65 km/h (12.68 m/s)	0.03 J
30 mm	79.04 km/h (21.96 m/s)	0.10 J
50 mm	102.04 km/h (28.35 m/s)	0.17 J
100 mm	144.31 km/h (40.09 m/s)	0.34 J

Neodymium magnets are delicate – a strong collision with metal can result in shattering. Control the attraction moment – a neodymium left loose turns into a projectile. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Always hold the magnet during installation so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Use safety goggles when working with powerful specimens.

Table 9: Coating parameters (durability)
MW 6x2 / 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. Note the thickness of the protective layer.

Table 10: Electrical data (P_c)
MW 6x2 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	1 029 Mx	10.3 µWb
P_c Coefficient	0.44	Low (Flat)

Total magnetic flux passing through the magnet pole. Key data when building generators and motors. The P_c coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 6x2 / N38

Environment	Effective steel pull	Effect
Air (land)	0.86 kg	Standard
Water (riverbed)	0.98 kg (+0.12 kg Buoyancy gain)	+14.5%

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. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Shear force

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

2. Steel saturation

*Thin steel (e.g. computer case) significantly weakens 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) = 0.44

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 and environmental data

Elemental analysis

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%

Ecology and recycling (GPSR)

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: 010092-2025

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The offered product is an extremely powerful rod magnet, manufactured from advanced NdFeB material, which, with dimensions of Ø6x2 mm, guarantees optimal power. The MW 6x2 / N38 model is characterized by high dimensional repeatability and professional build quality, making it a perfect solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 0.86 kg), this product is in stock from our warehouse in Poland, ensuring quick order fulfillment. Moreover, its 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 filters, where maximum induction on a small surface counts. Thanks to the pull force of 8.43 N with a weight of only 0.42 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.

Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. 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.

Magnets NdFeB grade N38 are suitable for the majority of applications in modeling and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø6x2), 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 Ø6x2 mm, which, at a weight of 0.42 g, makes it an element with high magnetic energy density. The key parameter here is the holding force amounting to approximately 0.86 kg (force ~8.43 N), which, with such compact 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 cylinder is magnetized axially (along the height of 2 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is most desirable when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Pros as well as cons of Nd₂Fe₁₄B magnets.

Strengths

Besides their magnetic performance, neodymium magnets are valued for these benefits:

They do not lose power, even after around ten years – the drop in power is only ~1% (theoretically),
Magnets perfectly protect themselves against demagnetization caused by external fields,
The use of an metallic coating of noble metals (nickel, gold, silver) causes the element to have aesthetics,
Magnetic induction on the working layer of the magnet is very high,
Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for operation at temperatures reaching 230°C and above...
Due to the potential of free shaping and customization to custom needs, NdFeB magnets can be modeled in a wide range of forms and dimensions, which expands the range of possible applications,
Versatile presence in electronics industry – they are used in HDD drives, drive modules, medical devices, as well as technologically advanced constructions.
Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of neodymium magnets:

They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only shields the magnet but also improves its resistance to damage
We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
Limited possibility of creating threads in the magnet and complicated forms - recommended is casing - mounting mechanism.
Possible danger to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child health protection. It is also worth noting that small components of these magnets are able to disrupt the diagnostic process medical when they are in the body.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities

Lifting parameters

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

The specified lifting capacity represents the maximum value, obtained under ideal test conditions, meaning:

using a sheet made of mild steel, functioning as a ideal flux conductor
possessing a massiveness of minimum 10 mm to ensure full flux closure
with a plane perfectly flat
under conditions of ideal adhesion (surface-to-surface)
for force applied at a right angle (in the magnet axis)
in neutral thermal conditions

Determinants of practical lifting force of a magnet

Bear in mind that the working load will differ influenced by elements below, in order of importance:

Space between magnet and steel – even a fraction of a millimeter of separation (caused e.g. by varnish or dirt) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
Loading method – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of nominal force).
Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of converting into lifting capacity.
Material type – ideal substrate is pure iron steel. Stainless steels may generate lower lifting capacity.
Surface structure – the smoother and more polished the surface, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures gain strength (up to a certain limit).

Holding force was tested on the plate surface of 20 mm thickness, when a perpendicular force was applied, however under parallel forces the holding force is lower. In addition, even a minimal clearance between the magnet and the plate reduces the load capacity.

Safety rules for work with neodymium magnets

Safe operation

Exercise caution. Rare earth magnets act from a distance and connect with massive power, often quicker than you can react.

Risk of cracking

Watch out for shards. Magnets can explode upon uncontrolled impact, ejecting shards into the air. We recommend safety glasses.

Keep away from electronics

A powerful magnetic field interferes with the functioning of compasses in smartphones and GPS navigation. Maintain magnets close to a device to avoid damaging the sensors.

Swallowing risk

Only for adults. Small elements pose a choking risk, causing severe trauma. Store away from children and animals.

Operating temperature

Do not overheat. Neodymium magnets are sensitive to heat. If you require resistance above 80°C, look for HT versions (H, SH, UH).

Bone fractures

Large magnets can smash fingers instantly. Do not place your hand between two strong magnets.

Life threat

Patients with a heart stimulator should maintain an absolute distance from magnets. The magnetic field can stop the operation of the implant.

Threat to electronics

Do not bring magnets close to a purse, laptop, or screen. The magnetism can permanently damage these devices and erase data from cards.

Nickel allergy

Studies show that nickel (the usual finish) is a strong allergen. If you have an allergy, avoid touching magnets with bare hands and choose encased magnets.

Dust explosion hazard

Dust generated during grinding of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Danger! Want to know more? Read our article: Why are neodymium magnets dangerous?

MW 6x2 / N38 - cylindrical magnet

Need advice?

MW 6x2 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the product - technical parameters

1. Shear force

2. Steel saturation

3. Power loss vs temp

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

Elemental analysis

Ecology and recycling (GPSR)

Force (pull)

Magnetic Field

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Pros as well as cons of Nd2Fe14B magnets.

Strengths

Weaknesses

Lifting parameters

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

Determinants of practical lifting force of a magnet

Safe operation

Risk of cracking

Keep away from electronics

Swallowing risk

Operating temperature

Bone fractures

Life threat

Threat to electronics

Nickel allergy

Dust explosion hazard

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Pros as well as cons of Nd₂Fe₁₄B magnets.