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MW 6x6 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010094

GTIN/EAN: 5906301810933

5.00

Diameter Ø

6 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

1.27 g

Magnetization Direction

↑ axial

Load capacity

1.14 kg / 11.18 N

Magnetic Induction

553.38 mT / 5534 Gs

Coating

[NiCuNi] Nickel

0.677 with VAT / pcs + price for transport

0.550 ZŁ net + 23% VAT / pcs

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Technical - MW 6x6 / N38 - cylindrical magnet

Specification / characteristics - MW 6x6 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010094
GTIN/EAN 5906301810933
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 6 mm [±0,1 mm]
Weight 1.27 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.14 kg / 11.18 N
Magnetic Induction ~ ? 553.38 mT / 5534 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 6x6 / 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 product - report

These values represent the outcome of a physical simulation. Values are based on models for the class Nd2Fe14B. Actual parameters might slightly differ. Treat these data as a reference point when designing systems.

Table 1: Static force (force vs gap) - interaction chart
MW 6x6 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5527 Gs
552.7 mT
1.14 kg / 2.51 pounds
1140.0 g / 11.2 N
weak grip
1 mm 3738 Gs
373.8 mT
0.52 kg / 1.15 pounds
521.5 g / 5.1 N
weak grip
2 mm 2366 Gs
236.6 mT
0.21 kg / 0.46 pounds
209.0 g / 2.0 N
weak grip
3 mm 1498 Gs
149.8 mT
0.08 kg / 0.18 pounds
83.7 g / 0.8 N
weak grip
5 mm 665 Gs
66.5 mT
0.02 kg / 0.04 pounds
16.5 g / 0.2 N
weak grip
10 mm 155 Gs
15.5 mT
0.00 kg / 0.00 pounds
0.9 g / 0.0 N
weak grip
15 mm 58 Gs
5.8 mT
0.00 kg / 0.00 pounds
0.1 g / 0.0 N
weak grip
20 mm 28 Gs
2.8 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
weak grip
30 mm 9 Gs
0.9 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
weak grip
50 mm 2 Gs
0.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
weak grip

Table 2: Slippage load (wall)
MW 6x6 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.23 kg / 0.50 pounds
228.0 g / 2.2 N
1 mm Stal (~0.2) 0.10 kg / 0.23 pounds
104.0 g / 1.0 N
2 mm Stal (~0.2) 0.04 kg / 0.09 pounds
42.0 g / 0.4 N
3 mm Stal (~0.2) 0.02 kg / 0.04 pounds
16.0 g / 0.2 N
5 mm Stal (~0.2) 0.00 kg / 0.01 pounds
4.0 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: Vertical assembly (sliding) - vertical pull
MW 6x6 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.34 kg / 0.75 pounds
342.0 g / 3.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.23 kg / 0.50 pounds
228.0 g / 2.2 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.11 kg / 0.25 pounds
114.0 g / 1.1 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.57 kg / 1.26 pounds
570.0 g / 5.6 N

Table 4: Material efficiency (saturation) - power losses
MW 6x6 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.11 kg / 0.25 pounds
114.0 g / 1.1 N
1 mm
25%
0.29 kg / 0.63 pounds
285.0 g / 2.8 N
2 mm
50%
0.57 kg / 1.26 pounds
570.0 g / 5.6 N
3 mm
75%
0.86 kg / 1.88 pounds
855.0 g / 8.4 N
5 mm
100%
1.14 kg / 2.51 pounds
1140.0 g / 11.2 N
10 mm
100%
1.14 kg / 2.51 pounds
1140.0 g / 11.2 N
11 mm
100%
1.14 kg / 2.51 pounds
1140.0 g / 11.2 N
12 mm
100%
1.14 kg / 2.51 pounds
1140.0 g / 11.2 N

Table 5: Working in heat (stability) - thermal limit
MW 6x6 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.14 kg / 2.51 pounds
1140.0 g / 11.2 N
OK
40 °C -2.2% 1.11 kg / 2.46 pounds
1114.9 g / 10.9 N
OK
60 °C -4.4% 1.09 kg / 2.40 pounds
1089.8 g / 10.7 N
OK
80 °C -6.6% 1.06 kg / 2.35 pounds
1064.8 g / 10.4 N
100 °C -28.8% 0.81 kg / 1.79 pounds
811.7 g / 8.0 N

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 6x6 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 5.32 kg / 11.74 pounds
5 995 Gs
0.80 kg / 1.76 pounds
799 g / 7.8 N
N/A
1 mm 3.70 kg / 8.17 pounds
9 220 Gs
0.56 kg / 1.23 pounds
556 g / 5.5 N
3.33 kg / 7.35 pounds
~0 Gs
2 mm 2.44 kg / 5.37 pounds
7 476 Gs
0.37 kg / 0.81 pounds
365 g / 3.6 N
2.19 kg / 4.83 pounds
~0 Gs
3 mm 1.55 kg / 3.42 pounds
5 968 Gs
0.23 kg / 0.51 pounds
233 g / 2.3 N
1.40 kg / 3.08 pounds
~0 Gs
5 mm 0.61 kg / 1.35 pounds
3 755 Gs
0.09 kg / 0.20 pounds
92 g / 0.9 N
0.55 kg / 1.22 pounds
~0 Gs
10 mm 0.08 kg / 0.17 pounds
1 330 Gs
0.01 kg / 0.03 pounds
12 g / 0.1 N
0.07 kg / 0.15 pounds
~0 Gs
20 mm 0.00 kg / 0.01 pounds
311 Gs
0.00 kg / 0.00 pounds
1 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
31 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
19 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
12 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
8 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
6 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
5 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 6x6 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 4.0 cm
Hearing aid 10 Gs (1.0 mT) 3.0 cm
Timepiece 20 Gs (2.0 mT) 2.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 2.0 cm
Remote 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

Table 8: Dynamics (cracking risk) - warning
MW 6x6 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 30.23 km/h
(8.40 m/s)
0.04 J
30 mm 52.34 km/h
(14.54 m/s)
0.13 J
50 mm 67.56 km/h
(18.77 m/s)
0.22 J
100 mm 95.55 km/h
(26.54 m/s)
0.45 J

Table 9: Corrosion resistance
MW 6x6 / 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 (Flux)
MW 6x6 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 613 Mx 16.1 µWb
Pc Coefficient 0.89 High (Stable)

Table 11: Underwater work (magnet fishing)
MW 6x6 / N38

Environment Effective steel pull Effect
Air (land) 1.14 kg Standard
Water (riverbed) 1.31 kg
(+0.17 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. Vertical hold

*Note: On a vertical wall, the magnet retains just ~20% of its perpendicular strength.

2. Steel thickness impact

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

3. Heat tolerance

*For N38 material, the max working temp is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.89

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
Elemental analysis
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: 010094-2026
Quick Unit Converter
Magnet pull force

Field Strength

Other offers

The offered product is an exceptionally strong rod magnet, manufactured from durable NdFeB material, which, at dimensions of Ø6x6 mm, guarantees optimal power. The MW 6x6 / N38 model features high dimensional repeatability 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 warehouse in Poland, ensuring lightning-fast order fulfillment. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, guaranteeing 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 pull force of 11.18 N with a weight of only 1.27 g, this cylindrical magnet 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 long-term durability in industry, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.
Magnets N38 are strong enough for 90% of applications in modeling and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø6x6), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.
This model is characterized by dimensions Ø6x6 mm, which, at a weight of 1.27 g, makes it an element with impressive magnetic energy density. The value of 11.18 N means that the magnet is capable of holding a weight many times exceeding its own mass of 1.27 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 6 mm. 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 through the diameter if your project requires it.

Advantages and disadvantages of neodymium magnets.

Strengths

Apart from their strong magnetic energy, neodymium magnets have these key benefits:
  • They retain attractive force for nearly ten years – the loss is just ~1% (in theory),
  • Neodymium magnets are extremely resistant to loss of magnetic properties caused by magnetic disturbances,
  • In other words, due to the smooth layer of silver, the element looks attractive,
  • Neodymium magnets achieve maximum magnetic induction on a their surface, which increases force concentration,
  • Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to versatility in forming and the ability to customize to complex applications,
  • Significant place in advanced technology sectors – they are utilized in hard drives, motor assemblies, advanced medical instruments, and technologically advanced constructions.
  • Thanks to efficiency per cm³, small magnets offer high operating force, occupying minimum space,

Cons

Disadvantages of neodymium magnets:
  • Brittleness is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a strong case, which not only secures them against impacts but also raises their durability
  • NdFeB magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening 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
  • They oxidize in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in realizing threads and complex forms in magnets, we recommend using cover - magnetic mount.
  • Potential hazard resulting from small fragments of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child safety. Additionally, tiny parts of these devices can be problematic in diagnostics medical when they are in the body.
  • With mass production the cost of neodymium magnets is a challenge,

Lifting parameters

Optimal lifting capacity of a neodymium magnetwhat it depends on?

Holding force of 1.14 kg is a measurement result conducted under specific, ideal conditions:
  • on a block made of mild steel, effectively closing the magnetic field
  • with a thickness of at least 10 mm
  • characterized by lack of roughness
  • without any air gap between the magnet and steel
  • during pulling in a direction perpendicular to the mounting surface
  • at room temperature

Practical aspects of lifting capacity – factors

Bear in mind that the working load may be lower influenced by elements below, in order of importance:
  • Air gap (between the magnet and the metal), since even a very small distance (e.g. 0.5 mm) can cause a reduction in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
  • Force direction – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of maximum force).
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Chemical composition of the base – low-carbon steel attracts best. Alloy admixtures reduce magnetic permeability and lifting capacity.
  • Plate texture – ground elements guarantee perfect abutment, which improves force. Uneven metal weaken the grip.
  • Thermal factor – hot environment reduces pulling force. Too high temperature can permanently damage the magnet.

Lifting capacity was determined using a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

Safety rules for work with NdFeB magnets
Data carriers

Do not bring magnets close to a wallet, laptop, or TV. The magnetic field can permanently damage these devices and wipe information from cards.

Health Danger

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

Choking Hazard

Strictly store magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are life-threatening.

Permanent damage

Control the heat. Exposing the magnet above 80 degrees Celsius will destroy its properties and strength.

Threat to navigation

Note: rare earth magnets generate a field that confuses precision electronics. Maintain a separation from your phone, tablet, and GPS.

Fire warning

Dust produced during grinding of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.

Serious injuries

Pinching hazard: The attraction force is so great that it can result in blood blisters, crushing, and broken bones. Protective gloves are recommended.

Magnets are brittle

Beware of splinters. Magnets can explode upon violent connection, launching sharp fragments into the air. We recommend safety glasses.

Conscious usage

Exercise caution. Neodymium magnets act from a distance and connect with huge force, often faster than you can move away.

Metal Allergy

Nickel alert: The nickel-copper-nickel coating consists of nickel. If redness appears, cease handling magnets and wear gloves.

Danger! Looking for details? Check our post: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98