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MW 10x6 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010012

GTIN/EAN: 5906301810117

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

3.53 g

Magnetization Direction

↑ axial

Load capacity

3.38 kg / 33.12 N

Magnetic Induction

475.73 mT / 4757 Gs

Coating

[NiCuNi] Nickel

check parameters »

1.045 ZŁ with VAT / pcs + price for transport

0.850 ZŁ net + 23% VAT / pcs

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Technical data - MW 10x6 / N38 - cylindrical magnet

Specification / characteristics - MW 10x6 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010012
GTIN/EAN 5906301810117
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 10 mm [±0,1 mm]
Height 6 mm [±0,1 mm]
Weight 3.53 g
Magnetization Direction ↑ axial
Load capacity ~ ? 3.38 kg / 33.12 N
Magnetic Induction ~ ? 475.73 mT / 4757 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x6 / 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 simulation of the assembly - report

The following values constitute the direct effect of a mathematical analysis. Values rely on algorithms for the material Nd2Fe14B. Actual performance may differ from theoretical values. Use these calculations as a reference point during assembly planning.

Table 1: Static pull force (force vs gap) - characteristics
MW 10x6 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 4754 Gs
475.4 mT
 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
 warning
1 mm 3829 Gs
382.9 mT
 2.19 kg / 4.83 lbs
2193.1 g / 21.5 N
 warning
2 mm 2955 Gs
295.5 mT
 1.31 kg / 2.88 lbs
1306.0 g / 12.8 N
 low risk
3 mm 2230 Gs
223.0 mT
 0.74 kg / 1.64 lbs
743.7 g / 7.3 N
 low risk
5 mm 1260 Gs
126.0 mT
 0.24 kg / 0.52 lbs
237.5 g / 2.3 N
 low risk
10 mm 372 Gs
37.2 mT
 0.02 kg / 0.05 lbs
20.7 g / 0.2 N
 low risk
15 mm 150 Gs
15.0 mT
 0.00 kg / 0.01 lbs
3.3 g / 0.0 N
 low risk
20 mm 74 Gs
7.4 mT
 0.00 kg / 0.00 lbs
0.8 g / 0.0 N
 low risk
30 mm 25 Gs
2.5 mT
 0.00 kg / 0.00 lbs
0.1 g / 0.0 N
 low risk
50 mm 6 Gs
0.6 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 low risk
Pulling power drops significantly per each millimeter of spacing. Keep in mind that even a microscopic distance (e.g., dirt, paint, dust) significantly diminishes the holding power. Magnets hold strongest at the point of direct contact; air break drastically cuts the power. Analyze how flashily the parameters drop, when the magnet does not touch directly to the metal substrate. When designing the assembly, avoid additional spacers.

Table 2: Sliding hold (wall)
MW 10x6 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.68 kg / 1.49 lbs
676.0 g / 6.6 N
1 mm Stal (~0.2) 0.44 kg / 0.97 lbs
438.0 g / 4.3 N
2 mm Stal (~0.2) 0.26 kg / 0.58 lbs
262.0 g / 2.6 N
3 mm Stal (~0.2) 0.15 kg / 0.33 lbs
148.0 g / 1.5 N
5 mm Stal (~0.2) 0.05 kg / 0.11 lbs
48.0 g / 0.5 N
10 mm Stal (~0.2) 0.00 kg / 0.01 lbs
4.0 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
This section indicates the approximate shear load sufficient to initiate the sliding of the magnet down against a upright steel plate (considering standard friction). This parameter varies with the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MW 10x6 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
1.01 kg / 2.24 lbs
1014.0 g / 9.9 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.68 kg / 1.49 lbs
676.0 g / 6.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.34 kg / 0.75 lbs
338.0 g / 3.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.69 kg / 3.73 lbs
1690.0 g / 16.6 N
When placing a magnet on a upright surface (e.g., a fridge), it will maintain only about 20%-30% of its maximum pull force. Gravitational force as well as a weak degree of grip influence the fact that magnets slide down easier than they pull off. Planning a hanger? Consider that the shear force is noticeably lower than the perpendicular breakaway force. On a slippery surface, the magnet will slide down under a significantly smaller cargo. Using a rubber pad can significantly raise the stability.

Table 4: Steel thickness (saturation) - sheet metal selection
MW 10x6 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.34 kg / 0.75 lbs
338.0 g / 3.3 N
1 mm
25%
 0.85 kg / 1.86 lbs
845.0 g / 8.3 N
2 mm
50%
 1.69 kg / 3.73 lbs
1690.0 g / 16.6 N
3 mm
75%
 2.54 kg / 5.59 lbs
2535.0 g / 24.9 N
5 mm
100%
 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
10 mm
100%
 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
11 mm
100%
 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
12 mm
100%
 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
A thin metal plate is not enough to conduct the full magnetic flux, which weakens actual performance of the magnet. Should you attach a powerful product to a too thin substrate, the flux will pass right through and the holding will be smaller. To achieve the maximum of this neodymium's power, you need a suitably thick backing of metal. The material oversaturation causes that on thin elements (e.g., thin profiles), the magnet holds weaker. We suggest choosing the steel thickness according to the table below.

Table 5: Thermal stability (stability) - resistance threshold
MW 10x6 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
 OK
40 °C -2.2% 3.31 kg / 7.29 lbs
3305.6 g / 32.4 N
 OK
60 °C -4.4% 3.23 kg / 7.12 lbs
3231.3 g / 31.7 N
 OK
80 °C -6.6% 3.16 kg / 6.96 lbs
3156.9 g / 31.0 N
100 °C -28.8% 2.41 kg / 5.31 lbs
2406.6 g / 23.6 N
Standard neodymium magnets lose parameters after exceeding the maximum temperature. Watch out for overheating – heat can permanently damage this product. With every degree above norm, the magnet's capacity briefly decreases. Refrain from using this magnet in hot environments exceeding its safe range. Too high temperature will lead to permanent loss of magnetism.
*Technical advisory: Thermal stability depends not only on the material grade, but also on the magnet's shape. Flat magnets (pancake types) may lose charge permanently under lower heat stress than taller cylinders. Warning indicator in the table points to permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 10x6 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 10.94 kg / 24.12 lbs
5 711 Gs
1.64 kg / 3.62 lbs
1641 g / 16.1 N
 N/A
1 mm 8.94 kg / 19.71 lbs
8 595 Gs
1.34 kg / 2.96 lbs
1341 g / 13.2 N
 8.05 kg / 17.74 lbs
~0 Gs
2 mm 7.10 kg / 15.65 lbs
7 658 Gs
1.06 kg / 2.35 lbs
1065 g / 10.4 N
 6.39 kg / 14.09 lbs
~0 Gs
3 mm 5.52 kg / 12.17 lbs
6 754 Gs
0.83 kg / 1.83 lbs
828 g / 8.1 N
 4.97 kg / 10.96 lbs
~0 Gs
5 mm 3.20 kg / 7.06 lbs
5 143 Gs
0.48 kg / 1.06 lbs
480 g / 4.7 N
 2.88 kg / 6.35 lbs
~0 Gs
10 mm 0.77 kg / 1.70 lbs
2 520 Gs
0.12 kg / 0.25 lbs
115 g / 1.1 N
 0.69 kg / 1.53 lbs
~0 Gs
20 mm 0.07 kg / 0.15 lbs
745 Gs
0.01 kg / 0.02 lbs
10 g / 0.1 N
 0.06 kg / 0.13 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
83 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
51 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
33 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
23 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
17 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
12 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnetic products interact from a wider radius than a magnet and steel setup. The setup of two magnets produces a massive flux and a further horizon of action. Want to build a strong closure? Use a pair of magnets instead of one magnet and a steel. Be careful that when connecting a pair of magnets, the impact force is extreme. The repulsion force is a bit weaker than the attraction, but still significant.
*The magnetic induction between like poles drops to ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
Attention: Estimates show sliding force of two matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Hazards (electronics) - precautionary measures
MW 10x6 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 5.5 cm
Hearing aid 10 Gs (1.0 mT) 4.5 cm
Mechanical watch 20 Gs (2.0 mT) 3.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.0 cm
Car key 50 Gs (5.0 mT) 2.5 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
A strong magnetic field is a serious hazard to electronics and medical implants. These NdFeB products generate a field that prevents correct functioning of digital equipment. Notice: the unseen radiation acts through matter and housings. Increased vigilance must be exercised by people with hearing aids and drug dispensers. The risk also applies to: mechanical watches, car keys, speakers, and displays. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Collisions (cracking risk) - warning
MW 10x6 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 31.33 km/h
(8.70 m/s)
 0.13 J
30 mm 54.05 km/h
(15.01 m/s)
 0.40 J
50 mm 69.78 km/h
(19.38 m/s)
 0.66 J
100 mm 98.69 km/h
(27.41 m/s)
 1.33 J
Neodymium magnets are prone to chipping – a violent impact against metal risks their cracking. Pay attention to connection velocity – a magnet released freely speeds with massive force. Striking energy can destroy the magnet or dangerous crushing to fingers. Always hold the magnet during mounting so it doesn't slam with momentum against the metal. A collision at high speed ends with a crack of the neodymium. Wear eye protection when playing with powerful specimens.

Table 9: Corrosion resistance
MW 10x6 / 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)
The following table defines the conditions under which this product can be safely used. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Electrical data (Flux)
MW 10x6 / N38

Parameter Value SI Unit / Description
Magnetic Flux 3 767 Mx 37.7 µWb
Pc Coefficient 0.66 High (Stable)
Total magnetic flux emitted by the magnet pole. Essential parameter in coil applications as well as sensors. Pc value determines the magnet's operating point.

Table 11: Submerged application
MW 10x6 / N38

Environment Effective steel pull Effect
Air (land) 3.38 kg Standard
Water (riverbed) 3.87 kg
(+0.49 kg buoyancy gain)
+14.5%
Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
Water displaces steel, making heavy objects slightly lighter. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.
1. Vertical hold

*Note: On a vertical wall, the magnet holds only ~20% of its nominal pull.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) drastically limits the holding force.

3. Temperature resistance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.66

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.

Engineering data and GPSR
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: 010012-2026
Measurement Calculator
Pulling force
Field Strength
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This product is an extremely powerful rod magnet, made from durable NdFeB material, which, at dimensions of Ø10x6 mm, guarantees the highest energy density. This specific item is characterized by an accuracy of ±0.1mm and industrial build quality, making it a perfect solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 3.38 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.
This model is created for building electric motors, advanced Hall effect sensors, and efficient filters, where maximum induction on a small surface counts. Thanks to the high power of 33.12 N with a weight of only 3.53 g, this rod is indispensable in miniature devices and wherever every gram matters.
Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability 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 extreme miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø10x6), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.
The presented product is a neodymium magnet with precisely defined parameters: diameter 10 mm and height 6 mm. The value of 33.12 N means that the magnet is capable of holding a weight many times exceeding its own mass of 3.53 g. 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 10 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.

Advantages and disadvantages of neodymium magnets.

Advantages

Besides their tremendous magnetic power, neodymium magnets offer the following advantages:
  • Their power remains stable, and after around 10 years it drops only by ~1% (theoretically),
  • Magnets perfectly protect themselves against demagnetization caused by external fields,
  • In other words, due to the reflective finish of nickel, the element gains a professional look,
  • Neodymium magnets deliver maximum magnetic induction on a small area, which allows for strong attraction,
  • Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to versatility in forming and the ability to adapt to client solutions,
  • Wide application in modern industrial fields – they are commonly used in computer drives, brushless drives, diagnostic systems, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer high power in small dimensions, which makes them useful in small systems

Limitations

Disadvantages of NdFeB magnets:
  • At strong impacts they can crack, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
  • When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
  • We recommend casing - magnetic holder, due to difficulties in realizing threads inside the magnet and complicated forms.
  • Potential hazard related to microscopic parts of magnets are risky, in case of ingestion, which becomes key in the context of child health protection. Additionally, small elements of these devices are able to complicate diagnosis medical in case of swallowing.
  • High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which increases costs of application in large quantities

Lifting parameters

Magnetic strength at its maximum – what affects it?

Holding force of 3.38 kg is a measurement result performed under specific, ideal conditions:
  • with the application of a yoke made of special test steel, ensuring full magnetic saturation
  • possessing a thickness of min. 10 mm to avoid saturation
  • with an ground touching surface
  • with total lack of distance (no impurities)
  • under perpendicular application of breakaway force (90-degree angle)
  • at standard ambient temperature

Determinants of practical lifting force of a magnet

During everyday use, the actual holding force results from several key aspects, ranked from the most important:
  • Gap between surfaces – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet exhibits significantly lower power (typically approx. 20-30% of maximum force).
  • Steel thickness – too thin plate does not accept the full field, causing part of the power to be lost into the air.
  • Material type – ideal substrate is pure iron steel. Cast iron may generate lower lifting capacity.
  • Base smoothness – the smoother and more polished the surface, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
  • Heat – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity was measured by applying a steel plate with a smooth surface of optimal thickness (min. 20 mm), under vertically applied force, however under parallel forces the holding force is lower. In addition, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.

H&S for magnets
Precision electronics

Navigation devices and smartphones are highly susceptible to magnetism. Close proximity with a strong magnet can permanently damage the internal compass in your phone.

Product not for children

These products are not suitable for play. Accidental ingestion of several magnets can lead to them pinching intestinal walls, which poses a critical condition and requires urgent medical intervention.

Medical interference

For implant holders: Strong magnetic fields disrupt medical devices. Maintain at least 30 cm distance or request help to work with the magnets.

Dust explosion hazard

Combustion risk: Neodymium dust is explosive. Do not process magnets without safety gear as this risks ignition.

Pinching danger

Mind your fingers. Two large magnets will join immediately with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!

Fragile material

Beware of splinters. Magnets can fracture upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.

Demagnetization risk

Control the heat. Heating the magnet above 80 degrees Celsius will permanently weaken its magnetic structure and strength.

Magnetic media

Data protection: Neodymium magnets can damage payment cards and sensitive devices (heart implants, medical aids, mechanical watches).

Warning for allergy sufferers

Warning for allergy sufferers: The nickel-copper-nickel coating consists of nickel. If an allergic reaction happens, cease handling magnets and wear gloves.

Powerful field

Handle with care. Neodymium magnets act from a distance and snap with huge force, often faster than you can move away.

Important! Learn more about risks in the article: Safety of working with magnets.