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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

Technical analysis of the product - report

Presented data constitute the outcome of a mathematical analysis. Values are based on models for the class Nd2Fe14B. Operational parameters might slightly differ from theoretical values. Treat these data as a preliminary roadmap when designing systems.

Table 1: Static force (pull vs distance) - characteristics
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 pounds
350.0 g / 3.4 N
low risk
1 mm 1479 Gs
147.9 mT
0.20 kg / 0.44 pounds
199.7 g / 2.0 N
low risk
2 mm 945 Gs
94.5 mT
0.08 kg / 0.18 pounds
81.6 g / 0.8 N
low risk
3 mm 576 Gs
57.6 mT
0.03 kg / 0.07 pounds
30.3 g / 0.3 N
low risk
5 mm 229 Gs
22.9 mT
0.00 kg / 0.01 pounds
4.8 g / 0.0 N
low risk
10 mm 43 Gs
4.3 mT
0.00 kg / 0.00 pounds
0.2 g / 0.0 N
low risk
15 mm 14 Gs
1.4 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
20 mm 6 Gs
0.6 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
30 mm 2 Gs
0.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk
50 mm 0 Gs
0.0 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk

Table 2: Sliding load (wall)
MW 6x1 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.07 kg / 0.15 pounds
70.0 g / 0.7 N
1 mm Stal (~0.2) 0.04 kg / 0.09 pounds
40.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 pounds
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 pounds
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 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) - 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 pounds
105.0 g / 1.0 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.07 kg / 0.15 pounds
70.0 g / 0.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.03 kg / 0.08 pounds
35.0 g / 0.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.18 kg / 0.39 pounds
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 pounds
35.0 g / 0.3 N
1 mm
25%
0.09 kg / 0.19 pounds
87.5 g / 0.9 N
2 mm
50%
0.18 kg / 0.39 pounds
175.0 g / 1.7 N
3 mm
75%
0.26 kg / 0.58 pounds
262.5 g / 2.6 N
5 mm
100%
0.35 kg / 0.77 pounds
350.0 g / 3.4 N
10 mm
100%
0.35 kg / 0.77 pounds
350.0 g / 3.4 N
11 mm
100%
0.35 kg / 0.77 pounds
350.0 g / 3.4 N
12 mm
100%
0.35 kg / 0.77 pounds
350.0 g / 3.4 N

Table 5: Thermal stability (stability) - power drop
MW 6x1 / N38

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

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 6x1 / N38

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

Table 7: Hazards (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
Phone / Smartphone 40 Gs (4.0 mT) 1.5 cm
Remote 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: Surface protection spec
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: Electrical 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%
Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
1. Vertical hold

*Warning: On a vertical surface, the magnet holds only ~20% of its perpendicular strength.

2. Steel thickness impact

*Thin metal sheet (e.g. computer case) severely reduces the holding force.

3. Temperature resistance

*For standard magnets, the critical 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 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%
Sustainability
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
Measurement Calculator
Pulling force

Field Strength

Check out more products

The presented product is an exceptionally strong cylinder magnet, composed of modern NdFeB material, which, with dimensions of Ø6x1 mm, guarantees maximum efficiency. The MW 6x1 / N38 component boasts a tolerance of ±0.1mm and professional build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with significant force (approx. 0.35 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring rapid order fulfillment. Additionally, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.
It finds application in modeling, advanced automation, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 3.41 N with a weight of only 0.21 g, this rod is indispensable in electronics and wherever every gram matters.
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 automation, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.
Magnets NdFeB grade N38 are strong enough 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 (Ø6x1), 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 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.
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. 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.

Pros and cons of rare earth magnets.

Strengths

Apart from their notable magnetic energy, neodymium magnets have these key benefits:
  • They virtually do not lose strength, because even after 10 years the performance loss is only ~1% (in laboratory conditions),
  • They are noted for resistance to demagnetization induced by external field influence,
  • In other words, due to the glossy finish of nickel, the element gains a professional look,
  • Magnetic induction on the working part of the magnet is impressive,
  • Through (adequate) combination of ingredients, they can achieve high thermal resistance, enabling action at temperatures approaching 230°C and above...
  • Considering the ability of flexible shaping and customization to specialized requirements, NdFeB magnets can be manufactured in a broad palette of geometric configurations, which amplifies use scope,
  • Huge importance in advanced technology sectors – they are used in HDD drives, brushless drives, precision medical tools, and modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in compact constructions

Weaknesses

Disadvantages of neodymium magnets:
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields 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 recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
  • Limited possibility of creating threads in the magnet and complicated shapes - preferred is cover - magnet mounting.
  • Health risk related to microscopic parts of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child health protection. Additionally, small components of these magnets can be problematic in diagnostics medical in case of swallowing.
  • Due to expensive raw materials, their price exceeds standard values,

Holding force characteristics

Best holding force of the magnet in ideal parameterswhat it depends on?

Magnet power was defined for the most favorable conditions, assuming:
  • using a base made of mild steel, acting as a circuit closing element
  • possessing a massiveness of min. 10 mm to ensure full flux closure
  • characterized by smoothness
  • with direct contact (without paint)
  • for force acting at a right angle (in the magnet axis)
  • at temperature approx. 20 degrees Celsius

Impact of factors on magnetic holding capacity in practice

Please note that the working load may be lower influenced by the following factors, in order of importance:
  • Space between magnet and steel – every millimeter of separation (caused e.g. by veneer or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
  • Direction of force – maximum parameter is reached only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is standardly several times lower (approx. 1/5 of the lifting capacity).
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
  • Plate material – mild steel gives the best results. Higher carbon content lower magnetic permeability and lifting capacity.
  • Surface condition – ground elements ensure maximum contact, which increases field saturation. Uneven metal reduce efficiency.
  • Operating temperature – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and in frost gain strength (up to a certain limit).

Holding force was tested on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under shearing force the load capacity is reduced by as much as 5 times. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

Safety rules for work with NdFeB magnets
Metal Allergy

Certain individuals have a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Frequent touching might lead to skin redness. We recommend use protective gloves.

Electronic hazard

Very strong magnetic fields can corrupt files on credit cards, hard drives, and storage devices. Keep a distance of min. 10 cm.

Precision electronics

Remember: rare earth magnets produce a field that confuses precision electronics. Keep a separation from your phone, device, and navigation systems.

Power loss in heat

Do not overheat. Neodymium magnets are sensitive to heat. If you require resistance above 80°C, inquire about special high-temperature series (H, SH, UH).

Warning for heart patients

Health Alert: Strong magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.

Conscious usage

Be careful. Neodymium magnets act from a long distance and connect with huge force, often quicker than you can move away.

Shattering risk

NdFeB magnets are sintered ceramics, meaning they are prone to chipping. Impact of two magnets will cause them cracking into shards.

Physical harm

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

This is not a toy

Adult use only. Small elements pose a choking risk, causing serious injuries. Keep out of reach of kids and pets.

Fire risk

Machining of NdFeB material carries a risk of fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

Safety First! Need more info? Read our article: Are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98