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MW 14x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010391

GTIN/EAN: 5906301811084

5.00

Diameter Ø

14 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

11.55 g

Magnetization Direction

↑ axial

Load capacity

6.71 kg / 65.83 N

Magnetic Induction

507.48 mT / 5075 Gs

Coating

[NiCuNi] Nickel

6.84 with VAT / pcs + price for transport

5.56 ZŁ net + 23% VAT / pcs

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Technical of the product - MW 14x10 / N38 - cylindrical magnet

Specification / characteristics - MW 14x10 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010391
GTIN/EAN 5906301811084
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 14 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 11.55 g
Magnetization Direction ↑ axial
Load capacity ~ ? 6.71 kg / 65.83 N
Magnetic Induction ~ ? 507.48 mT / 5075 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14x10 / 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 modeling of the magnet - data

These values represent the outcome of a physical calculation. Values rely on algorithms for the class Nd2Fe14B. Operational parameters might slightly differ from theoretical values. Please consider these data as a reference point during assembly planning.

Table 1: Static pull force (force vs gap) - interaction chart
MW 14x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5072 Gs
507.2 mT
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
strong
1 mm 4354 Gs
435.4 mT
4.94 kg / 10.90 LBS
4944.4 g / 48.5 N
strong
2 mm 3652 Gs
365.2 mT
3.48 kg / 7.67 LBS
3479.0 g / 34.1 N
strong
3 mm 3017 Gs
301.7 mT
2.37 kg / 5.23 LBS
2373.5 g / 23.3 N
strong
5 mm 2015 Gs
201.5 mT
1.06 kg / 2.33 LBS
1058.7 g / 10.4 N
low risk
10 mm 773 Gs
77.3 mT
0.16 kg / 0.34 LBS
155.7 g / 1.5 N
low risk
15 mm 352 Gs
35.2 mT
0.03 kg / 0.07 LBS
32.3 g / 0.3 N
low risk
20 mm 186 Gs
18.6 mT
0.01 kg / 0.02 LBS
9.0 g / 0.1 N
low risk
30 mm 69 Gs
6.9 mT
0.00 kg / 0.00 LBS
1.3 g / 0.0 N
low risk
50 mm 18 Gs
1.8 mT
0.00 kg / 0.00 LBS
0.1 g / 0.0 N
low risk

Table 2: Sliding capacity (vertical surface)
MW 14x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 1.34 kg / 2.96 LBS
1342.0 g / 13.2 N
1 mm Stal (~0.2) 0.99 kg / 2.18 LBS
988.0 g / 9.7 N
2 mm Stal (~0.2) 0.70 kg / 1.53 LBS
696.0 g / 6.8 N
3 mm Stal (~0.2) 0.47 kg / 1.04 LBS
474.0 g / 4.6 N
5 mm Stal (~0.2) 0.21 kg / 0.47 LBS
212.0 g / 2.1 N
10 mm Stal (~0.2) 0.03 kg / 0.07 LBS
32.0 g / 0.3 N
15 mm Stal (~0.2) 0.01 kg / 0.01 LBS
6.0 g / 0.1 N
20 mm Stal (~0.2) 0.00 kg / 0.00 LBS
2.0 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: Vertical assembly (shearing) - behavior on slippery surfaces
MW 14x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
2.01 kg / 4.44 LBS
2013.0 g / 19.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
1.34 kg / 2.96 LBS
1342.0 g / 13.2 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.67 kg / 1.48 LBS
671.0 g / 6.6 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
3.36 kg / 7.40 LBS
3355.0 g / 32.9 N

Table 4: Steel thickness (saturation) - sheet metal selection
MW 14x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.67 kg / 1.48 LBS
671.0 g / 6.6 N
1 mm
25%
1.68 kg / 3.70 LBS
1677.5 g / 16.5 N
2 mm
50%
3.36 kg / 7.40 LBS
3355.0 g / 32.9 N
3 mm
75%
5.03 kg / 11.09 LBS
5032.5 g / 49.4 N
5 mm
100%
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
10 mm
100%
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
11 mm
100%
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
12 mm
100%
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N

Table 5: Thermal stability (stability) - resistance threshold
MW 14x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
OK
40 °C -2.2% 6.56 kg / 14.47 LBS
6562.4 g / 64.4 N
OK
60 °C -4.4% 6.41 kg / 14.14 LBS
6414.8 g / 62.9 N
OK
80 °C -6.6% 6.27 kg / 13.82 LBS
6267.1 g / 61.5 N
100 °C -28.8% 4.78 kg / 10.53 LBS
4777.5 g / 46.9 N

Table 6: Two magnets (repulsion) - field range
MW 14x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 24.41 kg / 53.82 LBS
5 843 Gs
3.66 kg / 8.07 LBS
3662 g / 35.9 N
N/A
1 mm 21.12 kg / 46.55 LBS
9 434 Gs
3.17 kg / 6.98 LBS
3167 g / 31.1 N
19.00 kg / 41.90 LBS
~0 Gs
2 mm 17.99 kg / 39.66 LBS
8 708 Gs
2.70 kg / 5.95 LBS
2699 g / 26.5 N
16.19 kg / 35.70 LBS
~0 Gs
3 mm 15.16 kg / 33.43 LBS
7 994 Gs
2.27 kg / 5.01 LBS
2274 g / 22.3 N
13.65 kg / 30.08 LBS
~0 Gs
5 mm 10.49 kg / 23.12 LBS
6 649 Gs
1.57 kg / 3.47 LBS
1573 g / 15.4 N
9.44 kg / 20.81 LBS
~0 Gs
10 mm 3.85 kg / 8.49 LBS
4 029 Gs
0.58 kg / 1.27 LBS
578 g / 5.7 N
3.47 kg / 7.64 LBS
~0 Gs
20 mm 0.57 kg / 1.25 LBS
1 545 Gs
0.08 kg / 0.19 LBS
85 g / 0.8 N
0.51 kg / 1.12 LBS
~0 Gs
50 mm 0.01 kg / 0.02 LBS
218 Gs
0.00 kg / 0.00 LBS
2 g / 0.0 N
0.01 kg / 0.02 LBS
~0 Gs
60 mm 0.00 kg / 0.01 LBS
139 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
70 mm 0.00 kg / 0.00 LBS
93 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
66 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
48 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
36 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Safety (HSE) (electronics) - precautionary measures
MW 14x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 8.0 cm
Hearing aid 10 Gs (1.0 mT) 6.5 cm
Timepiece 20 Gs (2.0 mT) 5.0 cm
Mobile device 40 Gs (4.0 mT) 4.0 cm
Car key 50 Gs (5.0 mT) 3.5 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.5 cm

Table 8: Dynamics (cracking risk) - collision effects
MW 14x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 24.66 km/h
(6.85 m/s)
0.27 J
30 mm 42.11 km/h
(11.70 m/s)
0.79 J
50 mm 54.36 km/h
(15.10 m/s)
1.32 J
100 mm 76.87 km/h
(21.35 m/s)
2.63 J

Table 9: Coating parameters (durability)
MW 14x10 / 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 14x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 7 886 Mx 78.9 µWb
Pc Coefficient 0.74 High (Stable)

Table 11: Physics of underwater searching
MW 14x10 / N38

Environment Effective steel pull Effect
Air (land) 6.71 kg Standard
Water (riverbed) 7.68 kg
(+0.97 kg buoyancy gain)
+14.5%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Shear force

*Caution: On a vertical surface, the magnet holds only a fraction of its perpendicular strength.

2. Efficiency vs thickness

*Thin steel (e.g. 0.5mm PC case) severely limits the holding force.

3. Heat tolerance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.74

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%
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: 010391-2026
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Magnetic Induction

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The presented product is an exceptionally strong cylindrical magnet, made from durable NdFeB material, which, at dimensions of Ø14x10 mm, guarantees optimal power. This specific item boasts high dimensional repeatability and industrial build quality, making it an ideal solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 6.71 kg), this product is available off-the-shelf from our European logistics center, ensuring quick order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
This model is created for building generators, advanced sensors, and efficient filters, where field concentration on a small surface counts. Thanks to the pull force of 65.83 N with a weight of only 11.55 g, this cylindrical magnet is indispensable in electronics 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., 14.1 mm) using two-component epoxy glues. To ensure long-term durability in industry, anaerobic resins 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 modeling and machine building, where extreme miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø14x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.
This model is characterized by dimensions Ø14x10 mm, which, at a weight of 11.55 g, makes it an element with high magnetic energy density. The value of 65.83 N means that the magnet is capable of holding a weight many times exceeding its own mass of 11.55 g. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.
This cylinder is magnetized axially (along the height of 10 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 rare earth magnets.

Strengths

Besides their tremendous strength, neodymium magnets offer the following advantages:
  • They have unchanged lifting capacity, and over more than ten years their attraction force decreases symbolically – ~1% (in testing),
  • Neodymium magnets are highly resistant to magnetic field loss caused by magnetic disturbances,
  • The use of an refined finish of noble metals (nickel, gold, silver) causes the element to look better,
  • Magnets are characterized by impressive magnetic induction on the working surface,
  • Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
  • Possibility of accurate machining and adjusting to atypical needs,
  • Universal use in innovative solutions – they find application in mass storage devices, motor assemblies, precision medical tools, and other advanced devices.
  • Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,

Cons

Characteristics of disadvantages of neodymium magnets: application proposals
  • Brittleness is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a special holder, which not only protects them against impacts but also raises their durability
  • Neodymium magnets lose 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 stability even at temperatures 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, in case of application outdoors
  • Limited possibility of creating nuts in the magnet and complicated forms - preferred is casing - mounting mechanism.
  • Possible danger related to microscopic parts of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child safety. It is also worth noting that small components of these products are able to be problematic in diagnostics medical after entering the body.
  • Due to neodymium price, their price is relatively high,

Pull force analysis

Maximum lifting capacity of the magnetwhat contributes to it?

The declared magnet strength represents the maximum value, obtained under laboratory conditions, meaning:
  • using a sheet made of low-carbon steel, functioning as a circuit closing element
  • whose transverse dimension reaches at least 10 mm
  • characterized by even structure
  • with zero gap (without impurities)
  • under axial force vector (90-degree angle)
  • at conditions approx. 20°C

Practical lifting capacity: influencing factors

It is worth knowing that the magnet holding may be lower subject to the following factors, in order of importance:
  • Space between magnet and steel – every millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops drastically, often to levels of 20-30% of the maximum value.
  • Wall thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Material type – ideal substrate is high-permeability steel. Hardened steels may have worse magnetic properties.
  • Surface quality – the more even the plate, the better the adhesion and stronger the hold. Unevenness acts like micro-gaps.
  • Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Lifting capacity testing was conducted on a smooth plate of optimal thickness, under perpendicular forces, whereas under parallel forces the load capacity is reduced by as much as fivefold. In addition, even a slight gap between the magnet and the plate reduces the load capacity.

Warnings
Hand protection

Risk of injury: The pulling power is so immense that it can cause blood blisters, pinching, and broken bones. Protective gloves are recommended.

Threat to navigation

A powerful magnetic field interferes with the functioning of magnetometers in phones and GPS navigation. Keep magnets near a device to avoid damaging the sensors.

Combustion hazard

Dust created during grinding of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Protective goggles

Despite the nickel coating, neodymium is brittle and not impact-resistant. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Thermal limits

Do not overheat. NdFeB magnets are susceptible to temperature. If you require operation above 80°C, look for special high-temperature series (H, SH, UH).

Do not underestimate power

Before use, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.

Nickel coating and allergies

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

Keep away from computers

Do not bring magnets near a purse, laptop, or screen. The magnetic field can irreversibly ruin these devices and erase data from cards.

Product not for children

Always store magnets away from children. Choking hazard is high, and the consequences of magnets clamping inside the body are very dangerous.

Life threat

People with a pacemaker should keep an large gap from magnets. The magnetic field can disrupt the operation of the life-saving device.

Important! Learn more about hazards in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98