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MW 10x2 / 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 010006

GTIN: 5906301810056

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

1.18 g

Magnetization Direction

↑ axial

Load capacity

1.14 kg / 11.18 N

Magnetic Induction

230.11 mT

Coating

[NiCuNi] Nickel

0.467 ZŁ with VAT / pcs + price for transport

0.380 ZŁ net + 23% VAT / pcs

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MW 10x2 / N38 - cylindrical magnet

Specification / characteristics MW 10x2 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010006
GTIN	5906301810056
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	10 mm [±0,1 mm]
Height	2 mm [±0,1 mm]
Weight	1.18 g
Magnetization Direction	↑ axial
Load capacity ~ ?	1.14 kg / 11.18 N
Magnetic Induction ~ ?	230.11 mT
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x2 / N38 - cylindrical magnet

properties	values	units
remenance Br [Min. - Max.] ?	12.2-12.6	kGs
remenance Br [Min. - Max.] ?	1220-1260	T
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 106	°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 assembly - data

The following values constitute the direct effect of a engineering simulation. Results were calculated on models for the material NdFeB. Real-world parameters may differ from theoretical values. Please consider these calculations as a reference point during assembly planning.

Table 1: Static force (force vs distance) - interaction chart
MW 10x2 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg)	Risk Status
0 mm	2300 Gs 230.0 mT	1.14 kg / 1140.0 g 11.2 N	low risk
1 mm	1974 Gs 197.4 mT	0.84 kg / 839.6 g 8.2 N	low risk
2 mm	1570 Gs 157.0 mT	0.53 kg / 531.5 g 5.2 N	low risk
5 mm	661 Gs 66.1 mT	0.09 kg / 94.2 g 0.9 N	low risk
10 mm	178 Gs 17.8 mT	0.01 kg / 6.8 g 0.1 N	low risk
15 mm	66 Gs 6.6 mT	0.00 kg / 0.9 g 0.0 N	low risk
20 mm	31 Gs 3.1 mT	0.00 kg / 0.2 g 0.0 N	low risk
30 mm	10 Gs 1.0 mT	0.00 kg / 0.0 g 0.0 N	low risk
50 mm	2 Gs 0.2 mT	0.00 kg / 0.0 g 0.0 N	low risk

Magnetic force decreases sharply with every mm of spacing. Remember that every additional insulation layer (e.g., dirt, varnish, veneer) strongly weakens the grip. Magnets work optimally at the point of direct contact; distance nullifies the force. See how flashily the parameters drop, when the magnet does not touch directly to the steel surface. When designing the arrangement, discard additional spacers.

Table 2: Vertical assembly (shearing) - behavior on slippery surfaces
MW 10x2 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.34 kg / 342.0 g 3.4 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.23 kg / 228.0 g 2.2 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.11 kg / 114.0 g 1.1 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.57 kg / 570.0 g 5.6 N

When hanging a magnet on a upright surface (e.g., a fridge), it you can count on barely about 20%-30% of its maximum pull force. Gravity and a low friction coefficient cause that products move down faster than they pull off. Planning a hanger? Note that the sliding force is noticeably lower than the perpendicular breakaway force. On a slippery surface, the magnet will give way down under a much lighter cargo. Application of an anti-slip pad can drastically increase the grip.

Table 3: Material efficiency (saturation) - sheet metal selection
MW 10x2 / N38

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	10%	0.11 kg / 114.0 g 1.1 N
1 mm	25%	0.29 kg / 285.0 g 2.8 N
2 mm	50%	0.57 kg / 570.0 g 5.6 N
5 mm	100%	1.14 kg / 1140.0 g 11.2 N
10 mm	100%	1.14 kg / 1140.0 g 11.2 N

A too thin steel is unable to focus the full magnetic flux, which wastes potential of the holder. If you install a neodymium to a weak sheet, the magnetism will pass right through and the holding will be smaller. To achieve the maximum of this neodymium's potential, you need a suitably thick piece of metal. The material oversaturation means that on delicate walls (e.g., car bodies), the holder works worse. We advise picking the steel cross-section based on the following data.

Table 4: Thermal resistance (stability) - thermal limit
MW 10x2 / N38

Ambient temp. (°C)	Power loss	Remaining pull	Status
20 °C	0.0%	1.14 kg / 1140.0 g 11.2 N	OK
40 °C	-2.2%	1.11 kg / 1114.9 g 10.9 N	OK
60 °C	-4.4%	1.09 kg / 1089.8 g 10.7 N	OK
80 °C	-6.6%	1.06 kg / 1064.8 g 10.4 N
100 °C	-28.8%	0.81 kg / 811.7 g 8.0 N

Ordinary NdFeB products lose strength above the temperature limit. Watch out for overheating – high temperature can irreversibly demagnetize this magnet. With every degree above norm, the magnet's force temporarily lowers. Refrain from using this product in hot environments higher than its operating temperature limit. Too high temperature will result in permanent loss of magnetic properties.

Table 5: Magnet-Magnet interaction (attraction) - field range
MW 10x2 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	1.71 kg / 1710.0 g 16.8 N	N/A
2 mm	0.80 kg / 795.0 g 7.8 N	0.74 kg / 742.0 g 7.3 N
5 mm	0.14 kg / 135.0 g 1.3 N	0.13 kg / 126.0 g 1.2 N
10 mm	0.02 kg / 15.0 g 0.1 N	0.01 kg / 14.0 g 0.1 N
20 mm	0.00 kg / 0.0 g 0.0 N	0.00 kg / 0.0 g 0.0 N
50 mm	0.00 kg / 0.0 g 0.0 N	0.00 kg / 0.0 g 0.0 N

Two magnets interact from a significantly greater distance than a magnet and sheet combination. The setup of two magnets produces a massive flux and a wider radius of operation. Want to build a strong closure? Utilize two neodymiums instead of one magnet and a steel. Exercise caution that when attracting two neodymiums, the collision energy is extreme. The levitation is a bit weaker than the connection force, but still significant.

Table 6: Safety (HSE) (electronics) - precautionary measures
MW 10x2 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	4.0 cm
Hearing aid	10 Gs (1.0 mT)	3.5 cm
Mechanical watch	20 Gs (2.0 mT)	2.5 cm
Mobile device	40 Gs (4.0 mT)	2.0 cm
Car key	50 Gs (5.0 mT)	2.0 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

A strong magnetic field poses a large risk to electronics and medical implants. These neodymiums generate a flux that prevents correct functioning of digital equipment. Be aware: the invisible magnetic field penetrates the body and housings. Exceptional care must be exercised by people with hearing aids and drug dispensers. The risk also applies to: mechanical watches, remotes, speakers, and screens. Do not place the magnet near cards, HDD media, or precise measuring instruments.

Table 7: Collisions (cracking risk) - collision effects
MW 10x2 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	31.46 km/h (8.74 m/s)	0.05 J
30 mm	54.29 km/h (15.08 m/s)	0.13 J
50 mm	70.09 km/h (19.47 m/s)	0.22 J
100 mm	99.13 km/h (27.54 m/s)	0.45 J

Magnetic elements are delicate – a strong collision with metal can result in shattering. Pay attention to connection velocity – a magnet released freely turns into a projectile. Striking energy can trigger coating fragments or painful pinches to fingers. Always hold the magnet during bringing near metal so it doesn't slam with momentum against the steel surface. A collision at high speed ends with a crack of the magnet. Wear safety glasses when working with powerful specimens.

Table 8: Surface protection spec
MW 10x2 / 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 9: Underwater work (magnet fishing)
MW 10x2 / N38

Environment	Effective steel pull	Effect
Air (land)	1.14 kg	Standard
Water (riverbed)	1.31 kg (+0.17 kg Buoyancy gain)	+14.5%

Rust risk: 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. However, remember the water resistance when pulling the rope quickly.

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MW 4x6 / N38 - cylindrical magnet

0.381 ZŁ brutto / pcs

This product is an incredibly powerful cylinder magnet, produced from modern NdFeB material, which, at dimensions of Ø10x2 mm, guarantees maximum efficiency. The MW 10x2 / N38 component features a tolerance of ±0.1mm and industrial build quality, making it an ideal solution for the most demanding engineers and designers. As a cylindrical magnet with significant force (approx. 1.14 kg), this product is in stock from our European logistics center, ensuring rapid order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, ensuring 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 11.18 N with a weight of only 1.18 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.

Due to the brittleness of the NdFeB material, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability in automation, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability 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 even stronger magnets in the same volume (Ø10x2), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.

The presented product is a neodymium magnet with precisely defined parameters: diameter 10 mm and height 2 mm. The value of 11.18 N means that the magnet is capable of holding a weight many times exceeding its own mass of 1.18 g. The product has a [NiCuNi] coating, which secures it 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 10 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 through the diameter if your project requires it.

Strengths and weaknesses of NdFeB magnets.

Apart from their consistent magnetism, neodymium magnets have these key benefits:

Their magnetic field is durable, and after around 10 years it decreases only by ~1% (theoretically),
Neodymium magnets remain remarkably resistant to loss of magnetic properties caused by magnetic disturbances,
In other words, due to the reflective layer of gold, the element gains visual value,
The surface of neodymium magnets generates a concentrated magnetic field – this is a distinguishing feature,
Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
Thanks to modularity in forming and the capacity to adapt to complex applications,
Key role in electronics industry – they find application in hard drives, electromotive mechanisms, advanced medical instruments, as well as technologically advanced constructions.
Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,

Problematic aspects of neodymium magnets: weaknesses and usage proposals

Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a steel housing, which not only protects them against impacts but also increases their durability
Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture, when using outdoors
Due to limitations in producing nuts and complicated shapes in magnets, we propose using casing - magnetic mechanism.
Potential hazard resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the context of child safety. It is also worth noting that small elements of these magnets are able to be problematic in diagnostics medical in case of swallowing.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Maximum lifting force for a neodymium magnet – what affects it?

Breakaway force is the result of a measurement for ideal contact conditions, including:

using a sheet made of high-permeability steel, functioning as a ideal flux conductor
possessing a thickness of at least 10 mm to ensure full flux closure
with an ground touching surface
with total lack of distance (no impurities)
during detachment in a direction perpendicular to the mounting surface
at temperature room level

Lifting capacity in real conditions – factors

Holding efficiency is influenced by specific conditions, mainly (from priority):

Distance (betwixt the magnet and the plate), since even a tiny distance (e.g. 0.5 mm) leads to a reduction in force by up to 50% (this also applies to paint, rust or debris).
Force direction – note that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops drastically, often to levels of 20-30% of the maximum value.
Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of converting into lifting capacity.
Material type – ideal substrate is high-permeability steel. Cast iron may have worse magnetic properties.
Surface finish – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
Temperature influence – high temperature weakens pulling force. Exceeding the limit temperature can permanently damage the magnet.

* Lifting capacity testing was conducted on a smooth plate of suitable thickness, under a perpendicular pulling force, in contrast under shearing force the load capacity is reduced by as much as fivefold. Additionally, even a slight gap {between} the magnet and the plate decreases the load capacity.

Safe handling of NdFeB magnets

Nickel allergy

It is widely known that nickel (standard magnet coating) is a common allergen. If your skin reacts to metals, avoid direct skin contact and select versions in plastic housing.

Eye protection

Despite the nickel coating, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Magnetic interference

A strong magnetic field interferes with the operation of compasses in smartphones and GPS navigation. Keep magnets close to a smartphone to avoid breaking the sensors.

Crushing force

Large magnets can break fingers instantly. Do not put your hand betwixt two strong magnets.

Magnetic media

Data protection: Strong magnets can ruin payment cards and delicate electronics (pacemakers, medical aids, timepieces).

Keep away from children

Only for adults. Tiny parts pose a choking risk, causing intestinal necrosis. Store away from kids and pets.

Handling rules

Exercise caution. Rare earth magnets attract from a distance and connect with huge force, often faster than you can react.

Machining danger

Fire warning: Neodymium dust is highly flammable. Avoid machining magnets without safety gear as this risks ignition.

Permanent damage

Regular neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. This process is irreversible.

Medical interference

Medical warning: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.

Security!

Looking for details? Check our post: Why are neodymium magnets dangerous?

MW 10x2 / N38 - cylindrical magnet

MW 10x2 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical analysis of the assembly - data

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UMGZ 48x24x11.5 [M8] GZ / N38 - magnetic holder external thread

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MW 4x6 / N38 - cylindrical magnet

Strengths and weaknesses of NdFeB magnets.

Maximum lifting force for a neodymium magnet – what affects it?

Lifting capacity in real conditions – factors

Safe handling of NdFeB magnets

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C