Product available Ships in 3 days

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

technical details »

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Detailed specification - 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 assembly - report

These values constitute the result of a mathematical analysis. Results are based on algorithms for the material Nd₂Fe₁₄B. Actual parameters may differ. Use these data as a supplementary guide for designers.

Table 1: Static force (force vs gap) - power drop
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	weak grip
1 mm	2423 Gs 242.3 mT	0.43 kg / 429.2 g 4.2 N	weak grip
2 mm	1521 Gs 152.1 mT	0.17 kg / 169.0 g 1.7 N	weak grip
3 mm	932 Gs 93.2 mT	0.06 kg / 63.5 g 0.6 N	weak grip
5 mm	382 Gs 38.2 mT	0.01 kg / 10.7 g 0.1 N	weak grip
10 mm	76 Gs 7.6 mT	0.00 kg / 0.4 g 0.0 N	weak grip
15 mm	26 Gs 2.6 mT	0.00 kg / 0.0 g 0.0 N	weak grip
20 mm	12 Gs 1.2 mT	0.00 kg / 0.0 g 0.0 N	weak grip
30 mm	4 Gs 0.4 mT	0.00 kg / 0.0 g 0.0 N	weak grip
50 mm	1 Gs 0.1 mT	0.00 kg / 0.0 g 0.0 N	weak grip

Grip strength drops significantly with every subsequent millimeter of gap. Note that even a microscopic distance (e.g., dirt, varnish, rust) significantly diminishes the holding power. Neodymiums operate optimally at the point of direct contact; air break kills the force. Observe how quickly the parameters drop, when the product does not adhere tightly to the metal substrate. When calculating the mounting, discard unnecessary gaps.

Table 2: Slippage force (wall)
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 following data shows the theoretical holding capacity required to cause the shifting of the magnet vertically on a upright steel plate (considering typical friction). The holding force varies with the air gap between the magnet and the metal.

Table 3: Wall mounting (shearing) - vertical pull
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 hanging a magnet on a vertical plane (e.g., a car body), it will only hold only approx. 1/5 of its nominal power. Gravity as well as a weak degree of grip influence the fact that products move down faster than they pull off. Planning a hanger? Consider that the sliding force is significantly lower than the perpendicular breakaway force. On a slippery surface, the element will slide down under a much lighter cargo. Application of an anti-slip pad can significantly increase the grip.

Table 4: Steel thickness (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 cannot take in the entire magnetic field, which wastes potential of the magnet. Should you install a neodymium to a weak sheet, the magnetism will pass right through and the attraction force will be weaker. To utilize full efficiency of this magnet's potential, you require a sufficiently solid piece of metal. The saturation phenomenon means that on sheet metal structures (e.g., car bodies), the product shows lower pull force. We suggest choosing the steel thickness according to the table below.

Table 5: Thermal stability (material behavior) - thermal limit
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

Classic neodymiums change their properties parameters above the temperature limit. Avoid high temperatures – heat can irreversibly destroy this magnet. With every degree above norm, the neodymium's force temporarily decreases. Refrain from using this magnet close to heaters exceeding its safe range. Ignoring the limit will lead to destruction of magnetism.

*Engineering note: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Thin magnets (low Pc) risk losing magnetic properties sooner compared to rod magnets. Red status in the table indicates a risk of irreversible loss for this particular item.

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 strong neodymiums attract each other from a significantly greater distance than a magnet and steel setup. Such a system of magnet-to-magnet generates a stronger field and a further horizon of action. Designing a strong closure? Apply two magnets instead of one magnet and a striker plate. Remember that when attracting two neodymiums, the pinch force is huge. The levitation is slightly lower than the attraction, but still impressive.
*Field value for N-N configuration reaches ~0 Gs at the midpoint of the gap (caused by magnetic field nullification).

Table 7: Safety (HSE) (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
Remote	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

Extremely neodym field is a real danger to electronic devices and medical implants. These NdFeB products generate a flux that destroys function of digital equipment. Remember: the invisible magnetic field penetrates the body and housings. Special caution must be exercised by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, car keys, membranes, and displays. Do not bring the product near payment cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (cracking risk) - collision effects
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

NdFeB products are delicate – a violent impact against metal can result in shattering. Pay attention to connection velocity – a neodymium left loose becomes dangerous. Impact energy can destroy the magnet or painful pinches to fingers. Be sure to control the product during installation so it doesn't hit violently against the steel surface. A collision at high speed means shattering of the neodymium. Use safety goggles when working with powerful specimens.

Table 9: Anti-corrosion coating 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Note the thickness of the protective layer.

Table 10: Construction 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)

Flux value emitted by the magnet pole. Essential parameter in coil applications and motors. P_c value determines the magnet's operating point.

Table 11: Physics of underwater searching
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%

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

1. Vertical hold

*Caution: On a vertical surface, the magnet retains merely a fraction of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) significantly limits the holding force.

3. Power loss vs temp

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.44

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.

Engineering data and GPSR

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 a very strong rod magnet, manufactured from advanced NdFeB material, which, with dimensions of Ø6x2 mm, guarantees optimal power. The MW 6x2 / N38 component boasts an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 0.86 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.

It finds application in modeling, advanced automation, and broadly understood industry, serving as a positioning or actuating element. Thanks to the pull force of 8.43 N with a weight of only 0.42 g, this rod is indispensable in miniature devices and wherever low weight is crucial.

Since our magnets have a tolerance of ±0.1mm, the recommended way is to glue them into holes with a slightly larger diameter (e.g., 6.1 mm) using two-component epoxy glues. To ensure stability in industry, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.

Grade N38 is the most frequently chosen standard for industrial neodymium magnets, offering an optimal price-to-power ratio and operational stability. If you need even stronger magnets in the same volume (Ø6x2), 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 6 mm and height 2 mm. The value of 8.43 N means that the magnet is capable of holding a weight many times exceeding its own mass of 0.42 g. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This rod magnet is magnetized axially (along the height of 2 mm), which means that the N and S poles are located on the flat, circular surfaces. 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.

Strengths and weaknesses of rare earth magnets.

Pros

Apart from their strong holding force, neodymium magnets have these key benefits:

They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (based on calculations),
They feature excellent resistance to magnetic field loss when exposed to opposing magnetic fields,
In other words, due to the glossy surface of gold, the element looks attractive,
Neodymium magnets achieve maximum magnetic induction on a small surface, which allows for strong attraction,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
Possibility of exact modeling and adapting to specific applications,
Versatile presence in electronics industry – they serve a role in HDD drives, electric motors, advanced medical instruments, also complex engineering applications.
Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Disadvantages

Disadvantages of NdFeB magnets:

At strong impacts they can crack, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 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.
Due to limitations in creating threads and complex shapes in magnets, we propose using cover - magnetic mount.
Possible danger to health – tiny shards of magnets are risky, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, small components of these devices can be problematic in diagnostics medical after entering the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Pull force analysis

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

Information about lifting capacity was defined for ideal contact conditions, assuming:

with the use of a yoke made of low-carbon steel, guaranteeing maximum field concentration
possessing a thickness of at least 10 mm to avoid saturation
with an ideally smooth contact surface
without any insulating layer between the magnet and steel
during detachment in a direction vertical to the plane
in temp. approx. 20°C

Determinants of lifting force in real conditions

During everyday use, the actual holding force depends on a number of factors, ranked from the most important:

Distance (between the magnet and the plate), because even a microscopic distance (e.g. 0.5 mm) results in a decrease in force by up to 50% (this also applies to varnish, rust or dirt).
Force direction – note that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops drastically, often to levels of 20-30% of the nominal value.
Substrate thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet restricts the attraction force (the magnet "punches through" it).
Metal type – not every steel reacts the same. High carbon content worsen the interaction with the magnet.
Base smoothness – the more even the plate, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
Heat – neodymium magnets have a negative temperature coefficient. At higher temperatures they lose power, and in frost they can be stronger (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under attempts to slide the magnet the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the lifting capacity.

Safe handling of NdFeB magnets

Electronic devices

Equipment safety: Neodymium magnets can damage payment cards and sensitive devices (pacemakers, hearing aids, mechanical watches).

Hand protection

Big blocks can break fingers instantly. Do not place your hand betwixt two strong magnets.

Operating temperature

Monitor thermal conditions. Exposing the magnet to high heat will ruin its properties and strength.

Medical implants

Individuals with a ICD should maintain an safe separation from magnets. The magnetic field can interfere with the functioning of the life-saving device.

Magnets are brittle

Despite the nickel coating, the material is brittle and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.

Conscious usage

Handle with care. Neodymium magnets attract from a distance and connect with massive power, often faster than you can move away.

Impact on smartphones

A strong magnetic field interferes with the operation of magnetometers in phones and navigation systems. Keep magnets near a smartphone to prevent damaging the sensors.

Danger to the youngest

Neodymium magnets are not intended for children. Swallowing a few magnets can lead to them pinching intestinal walls, which poses a direct threat to life and requires immediate surgery.

Flammability

Fire warning: Rare earth powder is highly flammable. Do not process magnets without safety gear as this may cause fire.

Allergic reactions

It is widely known that nickel (the usual finish) is a potent allergen. If you have an allergy, prevent direct skin contact and choose encased magnets.

Warning! Learn more about risks in the article: Safety of working with magnets.

MW 6x2 / N38 - cylindrical magnet

Detailed specification - MW 6x2 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the assembly - report

Table 1: Static force (force vs gap) - power drop MW 6x2 / N38

Table 2: Slippage force (wall) MW 6x2 / N38

Table 3: Wall mounting (shearing) - vertical pull MW 6x2 / N38

Table 4: Steel thickness (saturation) - power losses MW 6x2 / N38

Table 5: Thermal stability (material behavior) - thermal limit MW 6x2 / N38

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

Table 7: Safety (HSE) (implants) - warnings MW 6x2 / N38

Table 8: Impact energy (cracking risk) - collision effects MW 6x2 / N38

Table 9: Anti-corrosion coating durability MW 6x2 / N38

Table 10: Construction data (Pc) MW 6x2 / N38

Table 11: Physics of underwater searching MW 6x2 / N38

1. Vertical hold

2. Plate thickness effect

3. Power loss vs temp

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

Elemental analysis

Ecology and recycling (GPSR)

Magnet pull force

Magnetic Induction

Other products

UMC 75x11/6x18 / N38 - cylindrical magnetic holder

MW 4x5 / N38 - cylindrical magnet

SM 32x300 [2xM8] / N52 - magnetic separator

HH 25x7.7 [M5] / N38 - through hole magnetic holder

Strengths and weaknesses of rare earth magnets.

Pros

Disadvantages

Pull force analysis

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

Determinants of lifting force in real conditions

Safe handling of NdFeB magnets

Electronic devices

Hand protection

Operating temperature

Medical implants

Magnets are brittle

Conscious usage

Impact on smartphones

Danger to the youngest

Flammability

Allergic reactions

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs gap) - power drop
MW 6x2 / N38

Table 2: Slippage force (wall)
MW 6x2 / N38

Table 3: Wall mounting (shearing) - vertical pull
MW 6x2 / N38

Table 4: Steel thickness (saturation) - power losses
MW 6x2 / N38

Table 5: Thermal stability (material behavior) - thermal limit
MW 6x2 / N38

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

Table 7: Safety (HSE) (implants) - warnings
MW 6x2 / N38

Table 8: Impact energy (cracking risk) - collision effects
MW 6x2 / N38

Table 9: Anti-corrosion coating durability
MW 6x2 / N38

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

Table 11: Physics of underwater searching
MW 6x2 / N38