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MW 6x1 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010091

GTIN/EAN: 5906301810902

5.00

Diameter Ø

6 mm [±0,1 mm]

Height

1 mm [±0,1 mm]

Weight

0.21 g

Magnetization Direction

↑ axial

Load capacity

0.35 kg / 3.41 N

Magnetic Induction

195.87 mT / 1959 Gs

Coating

[NiCuNi] Nickel

0.221 with VAT / pcs + price for transport

0.1800 ZŁ net + 23% VAT / pcs

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Technical - MW 6x1 / N38 - cylindrical magnet

Specification / characteristics - MW 6x1 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010091
GTIN/EAN 5906301810902
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 1 mm [±0,1 mm]
Weight 0.21 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.35 kg / 3.41 N
Magnetic Induction ~ ? 195.87 mT / 1959 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 6x1 / 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 analysis of the assembly - data

Presented information are the outcome of a engineering calculation. Results are based on models for the material Nd2Fe14B. Real-world performance might slightly differ from theoretical values. Use these data as a reference point for designers.

Table 1: Static pull force (force vs gap) - interaction chart
MW 6x1 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1958 Gs
195.8 mT
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
weak grip
1 mm 1479 Gs
147.9 mT
0.20 kg / 0.44 LBS
199.7 g / 2.0 N
weak grip
2 mm 945 Gs
94.5 mT
0.08 kg / 0.18 LBS
81.6 g / 0.8 N
weak grip
3 mm 576 Gs
57.6 mT
0.03 kg / 0.07 LBS
30.3 g / 0.3 N
weak grip
5 mm 229 Gs
22.9 mT
0.00 kg / 0.01 LBS
4.8 g / 0.0 N
weak grip
10 mm 43 Gs
4.3 mT
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
weak grip
15 mm 14 Gs
1.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
weak grip
20 mm 6 Gs
0.6 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
weak grip
30 mm 2 Gs
0.2 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
weak grip
50 mm 0 Gs
0.0 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
weak grip

Table 2: Vertical hold (vertical surface)
MW 6x1 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.07 kg / 0.15 LBS
70.0 g / 0.7 N
1 mm Stal (~0.2) 0.04 kg / 0.09 LBS
40.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 LBS
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N

Table 3: Wall mounting (shearing) - vertical pull
MW 6x1 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.11 kg / 0.23 LBS
105.0 g / 1.0 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.07 kg / 0.15 LBS
70.0 g / 0.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.03 kg / 0.08 LBS
35.0 g / 0.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.18 kg / 0.39 LBS
175.0 g / 1.7 N

Table 4: Material efficiency (substrate influence) - sheet metal selection
MW 6x1 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.03 kg / 0.08 LBS
35.0 g / 0.3 N
1 mm
25%
0.09 kg / 0.19 LBS
87.5 g / 0.9 N
2 mm
50%
0.18 kg / 0.39 LBS
175.0 g / 1.7 N
3 mm
75%
0.26 kg / 0.58 LBS
262.5 g / 2.6 N
5 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
10 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
11 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
12 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N

Table 5: Working in heat (stability) - resistance threshold
MW 6x1 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.35 kg / 0.77 LBS
350.0 g / 3.4 N
OK
40 °C -2.2% 0.34 kg / 0.75 LBS
342.3 g / 3.4 N
OK
60 °C -4.4% 0.33 kg / 0.74 LBS
334.6 g / 3.3 N
80 °C -6.6% 0.33 kg / 0.72 LBS
326.9 g / 3.2 N
100 °C -28.8% 0.25 kg / 0.55 LBS
249.2 g / 2.4 N

Table 6: Two magnets (repulsion) - field range
MW 6x1 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 0.67 kg / 1.47 LBS
3 430 Gs
0.10 kg / 0.22 LBS
100 g / 1.0 N
N/A
1 mm 0.54 kg / 1.18 LBS
3 507 Gs
0.08 kg / 0.18 LBS
80 g / 0.8 N
0.48 kg / 1.06 LBS
~0 Gs
2 mm 0.38 kg / 0.84 LBS
2 957 Gs
0.06 kg / 0.13 LBS
57 g / 0.6 N
0.34 kg / 0.76 LBS
~0 Gs
3 mm 0.25 kg / 0.55 LBS
2 393 Gs
0.04 kg / 0.08 LBS
37 g / 0.4 N
0.22 kg / 0.50 LBS
~0 Gs
5 mm 0.10 kg / 0.21 LBS
1 476 Gs
0.01 kg / 0.03 LBS
14 g / 0.1 N
0.09 kg / 0.19 LBS
~0 Gs
10 mm 0.01 kg / 0.02 LBS
458 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
20 mm 0.00 kg / 0.00 LBS
86 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
7 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
60 mm 0.00 kg / 0.00 LBS
4 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
70 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
80 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
90 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Protective zones (electronics) - warnings
MW 6x1 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 2.5 cm
Hearing aid 10 Gs (1.0 mT) 2.0 cm
Timepiece 20 Gs (2.0 mT) 1.5 cm
Mobile device 40 Gs (4.0 mT) 1.5 cm
Car key 50 Gs (5.0 mT) 1.0 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 (cracking risk) - collision effects
MW 6x1 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 41.18 km/h
(11.44 m/s)
0.01 J
30 mm 71.31 km/h
(19.81 m/s)
0.04 J
50 mm 92.06 km/h
(25.57 m/s)
0.07 J
100 mm 130.20 km/h
(36.17 m/s)
0.14 J

Table 9: Coating parameters (durability)
MW 6x1 / 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 (Pc)
MW 6x1 / N38

Parameter Value SI Unit / Description
Magnetic Flux 666 Mx 6.7 µWb
Pc Coefficient 0.25 Low (Flat)

Table 11: Hydrostatics and buoyancy
MW 6x1 / N38

Environment Effective steel pull Effect
Air (land) 0.35 kg Standard
Water (riverbed) 0.40 kg
(+0.05 kg buoyancy gain)
+14.5%
Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Vertical hold

*Caution: On a vertical wall, the magnet retains just ~20% of its max power.

2. Steel saturation

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

3. Heat tolerance

*For standard magnets, the safety limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.25

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 and environmental data
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%
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: 010091-2026
Magnet Unit Converter
Pulling force

Magnetic Induction

Other products

The offered product is an incredibly powerful cylindrical magnet, composed of modern NdFeB material, which, at dimensions of Ø6x1 mm, guarantees maximum efficiency. This specific item boasts an accuracy of ±0.1mm and industrial build quality, making it an excellent solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 0.35 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
It finds application in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 3.41 N with a weight of only 0.21 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.
Due to the brittleness of the NdFeB material, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this professional component. To ensure stability in industry, 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 strong enough for 90% of applications in automation and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø6x1), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 6 mm and height 1 mm. The key parameter here is the lifting capacity amounting to approximately 0.35 kg (force ~3.41 N), which, with such compact dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it 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 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 diametrically if your project requires it.

Strengths and weaknesses of rare earth magnets.

Strengths

Apart from their strong holding force, neodymium magnets have these key benefits:
  • Their power is durable, and after around ten years it decreases only by ~1% (according to research),
  • Magnets effectively protect themselves against demagnetization caused by ambient magnetic noise,
  • Thanks to the glossy finish, the plating of Ni-Cu-Ni, gold-plated, or silver-plated gives an aesthetic appearance,
  • The surface of neodymium magnets generates a concentrated magnetic field – this is one of their assets,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • In view of the potential of free molding and customization to specialized requirements, neodymium magnets can be modeled in a variety of forms and dimensions, which makes them more universal,
  • Key role in high-tech industry – they are used in computer drives, drive modules, advanced medical instruments, also modern systems.
  • Thanks to their power density, small magnets offer high operating force, with minimal size,

Limitations

What to avoid - cons of neodymium magnets and ways of using them
  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
  • NdFeB magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (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
  • When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
  • Limited ability of producing nuts in the magnet and complicated shapes - preferred is casing - mounting mechanism.
  • Health risk to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child health protection. Furthermore, small elements of these products can complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Lifting parameters

Maximum lifting force for a neodymium magnet – what it depends on?

Breakaway force was defined for optimal configuration, including:
  • with the application of a sheet made of special test steel, ensuring maximum field concentration
  • possessing a thickness of min. 10 mm to avoid saturation
  • characterized by even structure
  • under conditions of no distance (surface-to-surface)
  • during pulling in a direction perpendicular to the mounting surface
  • in neutral thermal conditions

Practical aspects of lifting capacity – factors

Please note that the magnet holding may be lower depending on the following factors, starting with the most relevant:
  • Distance – the presence of foreign body (paint, tape, air) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
  • Direction of force – maximum parameter is reached only during perpendicular pulling. The resistance to sliding of the magnet along the surface is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Base massiveness – insufficiently thick sheet causes magnetic saturation, causing part of the power to be escaped into the air.
  • Steel type – low-carbon steel gives the best results. Higher carbon content reduce magnetic permeability and holding force.
  • Surface condition – smooth surfaces ensure maximum contact, which increases force. Uneven metal weaken the grip.
  • Temperature influence – high temperature weakens pulling force. Too high temperature can permanently damage the magnet.

Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under perpendicular forces, in contrast under shearing force the holding force is lower. Moreover, even a small distance between the magnet’s surface and the plate lowers the holding force.

Safety rules for work with neodymium magnets
Handling guide

Handle magnets consciously. Their powerful strength can shock even experienced users. Plan your moves and do not underestimate their power.

Keep away from electronics

An intense magnetic field disrupts the functioning of magnetometers in phones and navigation systems. Maintain magnets close to a device to prevent breaking the sensors.

Fragile material

NdFeB magnets are ceramic materials, which means they are prone to chipping. Impact of two magnets leads to them cracking into small pieces.

Data carriers

Do not bring magnets near a wallet, computer, or TV. The magnetism can destroy these devices and erase data from cards.

Hand protection

Big blocks can crush fingers in a fraction of a second. Do not put your hand betwixt two attracting surfaces.

Avoid contact if allergic

A percentage of the population have a contact allergy to Ni, which is the typical protective layer for neodymium magnets. Prolonged contact can result in an allergic reaction. It is best to use safety gloves.

Thermal limits

Watch the temperature. Heating the magnet above 80 degrees Celsius will permanently weaken its magnetic structure and pulling force.

Swallowing risk

Product intended for adults. Tiny parts pose a choking risk, causing intestinal necrosis. Keep out of reach of kids and pets.

Mechanical processing

Fire hazard: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this risks ignition.

Pacemakers

Patients with a pacemaker should keep an absolute distance from magnets. The magnetism can disrupt the functioning of the implant.

Security! Want to know more? Read our article: Are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98