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MW 6x2 / N38 - cylindrical magnet

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 with VAT / pcs + price for transport

0.200 ZŁ net + 23% VAT / pcs

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Technical data of the product - 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

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 - data

These data represent the result of a physical analysis. Results are based on algorithms for the material Nd2Fe14B. Operational conditions may deviate from the simulation results. Use these calculations as a supplementary guide during assembly planning.

Table 1: Static force (force vs distance) - characteristics
MW 6x2 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3430 Gs
343.0 mT
0.86 kg / 1.90 pounds
860.0 g / 8.4 N
low risk
1 mm 2423 Gs
242.3 mT
0.43 kg / 0.95 pounds
429.2 g / 4.2 N
low risk
2 mm 1521 Gs
152.1 mT
0.17 kg / 0.37 pounds
169.0 g / 1.7 N
low risk
3 mm 932 Gs
93.2 mT
0.06 kg / 0.14 pounds
63.5 g / 0.6 N
low risk
5 mm 382 Gs
38.2 mT
0.01 kg / 0.02 pounds
10.7 g / 0.1 N
low risk
10 mm 76 Gs
7.6 mT
0.00 kg / 0.00 pounds
0.4 g / 0.0 N
low risk
15 mm 26 Gs
2.6 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
20 mm 12 Gs
1.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
30 mm 4 Gs
0.4 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
50 mm 1 Gs
0.1 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk

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

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.17 kg / 0.38 pounds
172.0 g / 1.7 N
1 mm Stal (~0.2) 0.09 kg / 0.19 pounds
86.0 g / 0.8 N
2 mm Stal (~0.2) 0.03 kg / 0.07 pounds
34.0 g / 0.3 N
3 mm Stal (~0.2) 0.01 kg / 0.03 pounds
12.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N

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

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.26 kg / 0.57 pounds
258.0 g / 2.5 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.17 kg / 0.38 pounds
172.0 g / 1.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.09 kg / 0.19 pounds
86.0 g / 0.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.43 kg / 0.95 pounds
430.0 g / 4.2 N

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

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.09 kg / 0.19 pounds
86.0 g / 0.8 N
1 mm
25%
0.22 kg / 0.47 pounds
215.0 g / 2.1 N
2 mm
50%
0.43 kg / 0.95 pounds
430.0 g / 4.2 N
3 mm
75%
0.65 kg / 1.42 pounds
645.0 g / 6.3 N
5 mm
100%
0.86 kg / 1.90 pounds
860.0 g / 8.4 N
10 mm
100%
0.86 kg / 1.90 pounds
860.0 g / 8.4 N
11 mm
100%
0.86 kg / 1.90 pounds
860.0 g / 8.4 N
12 mm
100%
0.86 kg / 1.90 pounds
860.0 g / 8.4 N

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

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.86 kg / 1.90 pounds
860.0 g / 8.4 N
OK
40 °C -2.2% 0.84 kg / 1.85 pounds
841.1 g / 8.3 N
OK
60 °C -4.4% 0.82 kg / 1.81 pounds
822.2 g / 8.1 N
80 °C -6.6% 0.80 kg / 1.77 pounds
803.2 g / 7.9 N
100 °C -28.8% 0.61 kg / 1.35 pounds
612.3 g / 6.0 N

Table 6: Two magnets (repulsion) - forces in the system
MW 6x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 2.05 kg / 4.52 pounds
4 944 Gs
0.31 kg / 0.68 pounds
308 g / 3.0 N
N/A
1 mm 1.52 kg / 3.34 pounds
5 900 Gs
0.23 kg / 0.50 pounds
228 g / 2.2 N
1.37 kg / 3.01 pounds
~0 Gs
2 mm 1.02 kg / 2.26 pounds
4 847 Gs
0.15 kg / 0.34 pounds
154 g / 1.5 N
0.92 kg / 2.03 pounds
~0 Gs
3 mm 0.65 kg / 1.44 pounds
3 869 Gs
0.10 kg / 0.22 pounds
98 g / 1.0 N
0.59 kg / 1.29 pounds
~0 Gs
5 mm 0.25 kg / 0.54 pounds
2 379 Gs
0.04 kg / 0.08 pounds
37 g / 0.4 N
0.22 kg / 0.49 pounds
~0 Gs
10 mm 0.03 kg / 0.06 pounds
764 Gs
0.00 kg / 0.01 pounds
4 g / 0.0 N
0.02 kg / 0.05 pounds
~0 Gs
20 mm 0.00 kg / 0.00 pounds
153 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
12 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
60 mm 0.00 kg / 0.00 pounds
7 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
70 mm 0.00 kg / 0.00 pounds
5 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
80 mm 0.00 kg / 0.00 pounds
3 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
90 mm 0.00 kg / 0.00 pounds
2 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.00 pounds
2 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs

Table 7: Protective zones (implants) - precautionary measures
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
Timepiece 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

Table 8: Collisions (kinetic energy) - warning
MW 6x2 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
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

Table 9: Corrosion resistance
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)

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

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

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

*Warning: On a vertical surface, the magnet holds just approx. 20-30% of its max power.

2. Steel thickness impact

*Thin steel (e.g. computer case) severely weakens the holding force.

3. Temperature resistance

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

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

chart generated for the permeance coefficient Pc (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 Pc (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 Pc 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
Chemical composition
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: 010092-2026
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Magnet pull force

Magnetic Induction

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This product is an exceptionally strong cylindrical magnet, made from modern NdFeB material, which, with dimensions of Ø6x2 mm, guarantees the highest energy density. The MW 6x2 / N38 model boasts high dimensional repeatability and industrial build quality, making it an excellent solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 0.86 kg), this product is in stock from our European logistics center, ensuring lightning-fast order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.
It successfully proves itself in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 8.43 N with a weight of only 0.42 g, this cylindrical magnet 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., 6.1 mm) using two-component epoxy glues. To ensure long-term durability in industry, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.
Magnets N38 are suitable for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. 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 store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 6 mm and height 2 mm. 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 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 6 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 Nd2Fe14B magnets.

Pros

Apart from their superior magnetic energy, neodymium magnets have these key benefits:
  • They have stable power, and over more than 10 years their attraction force decreases symbolically – ~1% (according to theory),
  • Magnets very well protect themselves against demagnetization caused by foreign field sources,
  • The use of an metallic coating of noble metals (nickel, gold, silver) causes the element to have aesthetics,
  • Neodymium magnets achieve maximum magnetic induction on a small area, which allows for strong attraction,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling action at temperatures reaching 230°C and above...
  • Considering the possibility of precise molding and adaptation to specialized requirements, NdFeB magnets can be produced in a wide range of shapes and sizes, which increases their versatility,
  • Huge importance in advanced technology sectors – they are commonly used in hard drives, electromotive mechanisms, medical equipment, and modern systems.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Drawbacks and weaknesses of neodymium magnets and ways of using them
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
  • When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding 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 immune to moisture, in case of application outdoors
  • Due to limitations in creating nuts and complex shapes in magnets, we propose using casing - magnetic mount.
  • Possible danger resulting from small fragments of magnets can be dangerous, in case of ingestion, which gains importance in the context of child health protection. Additionally, small elements of these products are able to disrupt the diagnostic process medical after entering the body.
  • High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities

Pull force analysis

Breakaway strength of the magnet in ideal conditionswhat it depends on?

The load parameter shown represents the peak performance, measured under ideal test conditions, meaning:
  • on a block made of structural steel, effectively closing the magnetic flux
  • whose transverse dimension is min. 10 mm
  • with an ideally smooth touching surface
  • without the slightest air gap between the magnet and steel
  • for force applied at a right angle (in the magnet axis)
  • at ambient temperature approx. 20 degrees Celsius

Determinants of lifting force in real conditions

Bear in mind that the application force may be lower influenced by the following factors, starting with the most relevant:
  • Distance (betwixt the magnet and the metal), since even a very small clearance (e.g. 0.5 mm) leads to a drastic drop in force by up to 50% (this also applies to varnish, corrosion or dirt).
  • Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
  • Steel thickness – too thin plate does not close the flux, causing part of the power to be escaped into the air.
  • Plate material – mild steel gives the best results. Alloy admixtures reduce magnetic permeability and lifting capacity.
  • Surface quality – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Roughness creates an air distance.
  • Heat – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, however under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet and the plate lowers the holding force.

Safe handling of neodymium magnets
Swallowing risk

Absolutely keep magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets clamping inside the body are tragic.

Magnetic media

Equipment safety: Neodymium magnets can ruin data carriers and delicate electronics (heart implants, hearing aids, timepieces).

Handling guide

Use magnets consciously. Their huge power can shock even professionals. Be vigilant and respect their force.

ICD Warning

People with a pacemaker must keep an large gap from magnets. The magnetism can interfere with the operation of the implant.

Thermal limits

Keep cool. Neodymium magnets are susceptible to temperature. If you need resistance above 80°C, look for special high-temperature series (H, SH, UH).

Allergic reactions

Medical facts indicate that nickel (standard magnet coating) is a potent allergen. If your skin reacts to metals, prevent direct skin contact and opt for coated magnets.

Phone sensors

An intense magnetic field disrupts the operation of compasses in smartphones and GPS navigation. Do not bring magnets near a smartphone to avoid breaking the sensors.

Dust explosion hazard

Fire warning: Rare earth powder is explosive. Do not process magnets in home conditions as this may cause fire.

Crushing risk

Protect your hands. Two large magnets will snap together instantly with a force of massive weight, destroying everything in their path. Be careful!

Magnet fragility

NdFeB magnets are ceramic materials, which means they are prone to chipping. Impact of two magnets will cause them cracking into shards.

Danger! Want to know more? Check our post: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98