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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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Product card - 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

Engineering simulation of the magnet - technical parameters

Presented information constitute the outcome of a engineering analysis. Results were calculated on models for the class Nd2Fe14B. Real-world parameters might slightly deviate from the simulation results. Please consider these data as a preliminary roadmap during assembly planning.

Table 1: Static force (force vs gap) - power drop
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
safe
1 mm 1479 Gs
147.9 mT
0.20 kg / 0.44 LBS
199.7 g / 2.0 N
safe
2 mm 945 Gs
94.5 mT
0.08 kg / 0.18 LBS
81.6 g / 0.8 N
safe
3 mm 576 Gs
57.6 mT
0.03 kg / 0.07 LBS
30.3 g / 0.3 N
safe
5 mm 229 Gs
22.9 mT
0.00 kg / 0.01 LBS
4.8 g / 0.0 N
safe
10 mm 43 Gs
4.3 mT
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
safe
15 mm 14 Gs
1.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
20 mm 6 Gs
0.6 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
30 mm 2 Gs
0.2 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
50 mm 0 Gs
0.0 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe

Table 2: Sliding capacity (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: Steel thickness (substrate influence) - power losses
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: Thermal resistance (stability) - thermal limit
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) - forces in the system
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) - precautionary measures
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: Impact energy (kinetic energy) - warning
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: Corrosion resistance
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 (Flux)
MW 6x1 / N38

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

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

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

2. Plate thickness effect

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

3. Temperature resistance

*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

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 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
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%
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: 010091-2026
Magnet Unit Converter
Pulling force

Field Strength

Other proposals

The presented product is an incredibly powerful cylinder magnet, composed of modern NdFeB material, which, at dimensions of Ø6x1 mm, guarantees maximum efficiency. This specific item features an accuracy of ±0.1mm and industrial build quality, making it a perfect solution for the most demanding engineers and designers. As a magnetic rod with impressive force (approx. 0.35 kg), this product is in stock from our European logistics center, ensuring lightning-fast order fulfillment. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
This model is perfect for building generators, advanced Hall effect sensors, and efficient filters, where field concentration on a small surface counts. Thanks to the high power of 3.41 N with a weight of only 0.21 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.
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 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 the majority 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 available off-the-shelf in our store.
This model is characterized by dimensions Ø6x1 mm, which, at a weight of 0.21 g, makes it an element with high magnetic energy density. The key parameter here is the holding force amounting to approximately 0.35 kg (force ~3.41 N), which, with such defined dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 1 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is standard 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.

Strengths and weaknesses of Nd2Fe14B magnets.

Benefits

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They do not lose magnetism, even over nearly ten years – the reduction in lifting capacity is only ~1% (based on measurements),
  • Neodymium magnets are distinguished by highly resistant to magnetic field loss caused by external magnetic fields,
  • The use of an elegant layer of noble metals (nickel, gold, silver) causes the element to present itself better,
  • Neodymium magnets generate maximum magnetic induction on a contact point, which ensures high operational effectiveness,
  • Neodymium magnets are characterized by very high magnetic induction on the magnet surface and are able to act (depending on the shape) even at a temperature of 230°C or more...
  • Thanks to modularity in designing and the capacity to customize to client solutions,
  • Significant place in electronics industry – they serve a role in computer drives, drive modules, medical devices, and multitasking production systems.
  • Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Weaknesses

What to avoid - cons of neodymium magnets and proposals for their use:
  • To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution secures the magnet and simultaneously increases its durability.
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • They rust in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We suggest cover - magnetic mount, due to difficulties in realizing nuts inside the magnet and complicated forms.
  • Possible danger resulting from small fragments of magnets are risky, in case of ingestion, which is particularly important in the context of child health protection. It is also worth noting that small elements of these magnets are able to disrupt the diagnostic process medical after entering the body.
  • Due to neodymium price, their price exceeds standard values,

Pull force analysis

Breakaway strength of the magnet in ideal conditionswhat affects it?

The lifting capacity listed is a measurement result executed under the following configuration:
  • using a plate made of mild steel, functioning as a magnetic yoke
  • possessing a massiveness of minimum 10 mm to ensure full flux closure
  • with an polished touching surface
  • without the slightest insulating layer between the magnet and steel
  • under vertical application of breakaway force (90-degree angle)
  • at temperature approx. 20 degrees Celsius

Magnet lifting force in use – key factors

During everyday use, the real power results from many variables, ranked from most significant:
  • Distance (betwixt the magnet and the metal), because even a very small distance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
  • Angle of force application – maximum parameter is reached only during pulling at a 90° angle. The force required to slide of the magnet along the surface is typically many times lower (approx. 1/5 of the lifting capacity).
  • Substrate thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet limits the lifting capacity (the magnet "punches through" it).
  • Metal type – different alloys attracts identically. High carbon content weaken the attraction effect.
  • Surface finish – ideal contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
  • Temperature – heating the magnet causes a temporary drop of induction. Check the thermal limit for a given model.

Lifting capacity was assessed using a steel plate with a smooth surface of suitable thickness (min. 20 mm), under vertically applied force, in contrast under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap between the magnet’s surface and the plate lowers the lifting capacity.

Safe handling of neodymium magnets
Handling rules

Be careful. Neodymium magnets attract from a distance and snap with massive power, often quicker than you can move away.

Hand protection

Risk of injury: The pulling power is so immense that it can result in blood blisters, crushing, and broken bones. Use thick gloves.

No play value

Neodymium magnets are not suitable for play. Swallowing a few magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and necessitates immediate surgery.

Compass and GPS

Navigation devices and mobile phones are extremely susceptible to magnetism. Close proximity with a strong magnet can decalibrate the internal compass in your phone.

Heat warning

Control the heat. Heating the magnet to high heat will ruin its magnetic structure and pulling force.

Dust explosion hazard

Fire hazard: Neodymium dust is explosive. Avoid machining magnets in home conditions as this may cause fire.

Data carriers

Device Safety: Neodymium magnets can ruin payment cards and delicate electronics (pacemakers, medical aids, mechanical watches).

Allergic reactions

Medical facts indicate that the nickel plating (the usual finish) is a potent allergen. For allergy sufferers, prevent touching magnets with bare hands and select coated magnets.

Warning for heart patients

Medical warning: Strong magnets can deactivate pacemakers and defibrillators. Do not approach if you have electronic implants.

Shattering risk

Despite metallic appearance, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into hazardous fragments.

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