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MW 14x2 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010024

GTIN/EAN: 5906301810230

Diameter Ø

14 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

2.31 g

Magnetization Direction

↑ axial

Load capacity

1.48 kg / 14.51 N

Magnetic Induction

170.27 mT / 1703 Gs

Coating

[NiCuNi] Nickel

0.898 with VAT / pcs + price for transport

0.730 ZŁ net + 23% VAT / pcs

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Technical specification - MW 14x2 / N38 - cylindrical magnet

Specification / characteristics - MW 14x2 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010024
GTIN/EAN 5906301810230
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 2 mm [±0,1 mm]
Weight 2.31 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.48 kg / 14.51 N
Magnetic Induction ~ ? 170.27 mT / 1703 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14x2 / 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 modeling of the magnet - data

Presented information represent the direct effect of a mathematical simulation. Results were calculated on algorithms for the class Nd2Fe14B. Operational parameters might slightly deviate from the simulation results. Treat these calculations as a preliminary roadmap for designers.

Table 1: Static pull force (force vs gap) - interaction chart
MW 14x2 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1702 Gs
170.2 mT
1.48 kg / 3.26 lbs
1480.0 g / 14.5 N
low risk
1 mm 1565 Gs
156.5 mT
1.25 kg / 2.76 lbs
1251.7 g / 12.3 N
low risk
2 mm 1373 Gs
137.3 mT
0.96 kg / 2.12 lbs
962.5 g / 9.4 N
low risk
3 mm 1161 Gs
116.1 mT
0.69 kg / 1.52 lbs
688.9 g / 6.8 N
low risk
5 mm 780 Gs
78.0 mT
0.31 kg / 0.69 lbs
311.0 g / 3.1 N
low risk
10 mm 276 Gs
27.6 mT
0.04 kg / 0.09 lbs
39.0 g / 0.4 N
low risk
15 mm 115 Gs
11.5 mT
0.01 kg / 0.01 lbs
6.7 g / 0.1 N
low risk
20 mm 56 Gs
5.6 mT
0.00 kg / 0.00 lbs
1.6 g / 0.0 N
low risk
30 mm 19 Gs
1.9 mT
0.00 kg / 0.00 lbs
0.2 g / 0.0 N
low risk
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
low risk

Table 2: Slippage hold (vertical surface)
MW 14x2 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.30 kg / 0.65 lbs
296.0 g / 2.9 N
1 mm Stal (~0.2) 0.25 kg / 0.55 lbs
250.0 g / 2.5 N
2 mm Stal (~0.2) 0.19 kg / 0.42 lbs
192.0 g / 1.9 N
3 mm Stal (~0.2) 0.14 kg / 0.30 lbs
138.0 g / 1.4 N
5 mm Stal (~0.2) 0.06 kg / 0.14 lbs
62.0 g / 0.6 N
10 mm Stal (~0.2) 0.01 kg / 0.02 lbs
8.0 g / 0.1 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 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) - behavior on slippery surfaces
MW 14x2 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.44 kg / 0.98 lbs
444.0 g / 4.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.30 kg / 0.65 lbs
296.0 g / 2.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.15 kg / 0.33 lbs
148.0 g / 1.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.74 kg / 1.63 lbs
740.0 g / 7.3 N

Table 4: Steel thickness (saturation) - power losses
MW 14x2 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.15 kg / 0.33 lbs
148.0 g / 1.5 N
1 mm
25%
0.37 kg / 0.82 lbs
370.0 g / 3.6 N
2 mm
50%
0.74 kg / 1.63 lbs
740.0 g / 7.3 N
3 mm
75%
1.11 kg / 2.45 lbs
1110.0 g / 10.9 N
5 mm
100%
1.48 kg / 3.26 lbs
1480.0 g / 14.5 N
10 mm
100%
1.48 kg / 3.26 lbs
1480.0 g / 14.5 N
11 mm
100%
1.48 kg / 3.26 lbs
1480.0 g / 14.5 N
12 mm
100%
1.48 kg / 3.26 lbs
1480.0 g / 14.5 N

Table 5: Thermal resistance (stability) - thermal limit
MW 14x2 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.48 kg / 3.26 lbs
1480.0 g / 14.5 N
OK
40 °C -2.2% 1.45 kg / 3.19 lbs
1447.4 g / 14.2 N
OK
60 °C -4.4% 1.41 kg / 3.12 lbs
1414.9 g / 13.9 N
80 °C -6.6% 1.38 kg / 3.05 lbs
1382.3 g / 13.6 N
100 °C -28.8% 1.05 kg / 2.32 lbs
1053.8 g / 10.3 N

Table 6: Two magnets (attraction) - forces in the system
MW 14x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 2.75 kg / 6.06 lbs
3 073 Gs
0.41 kg / 0.91 lbs
413 g / 4.0 N
N/A
1 mm 2.56 kg / 5.65 lbs
3 287 Gs
0.38 kg / 0.85 lbs
385 g / 3.8 N
2.31 kg / 5.09 lbs
~0 Gs
2 mm 2.33 kg / 5.13 lbs
3 131 Gs
0.35 kg / 0.77 lbs
349 g / 3.4 N
2.09 kg / 4.61 lbs
~0 Gs
3 mm 2.06 kg / 4.54 lbs
2 947 Gs
0.31 kg / 0.68 lbs
309 g / 3.0 N
1.85 kg / 4.09 lbs
~0 Gs
5 mm 1.52 kg / 3.36 lbs
2 535 Gs
0.23 kg / 0.50 lbs
229 g / 2.2 N
1.37 kg / 3.02 lbs
~0 Gs
10 mm 0.58 kg / 1.27 lbs
1 561 Gs
0.09 kg / 0.19 lbs
87 g / 0.9 N
0.52 kg / 1.15 lbs
~0 Gs
20 mm 0.07 kg / 0.16 lbs
552 Gs
0.01 kg / 0.02 lbs
11 g / 0.1 N
0.07 kg / 0.14 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
62 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
38 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
25 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
17 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
12 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
9 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs

Table 7: Hazards (implants) - warnings
MW 14x2 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 5.0 cm
Hearing aid 10 Gs (1.0 mT) 4.0 cm
Timepiece 20 Gs (2.0 mT) 3.0 cm
Mobile device 40 Gs (4.0 mT) 2.5 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

Table 8: Dynamics (cracking risk) - warning
MW 14x2 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 25.94 km/h
(7.21 m/s)
0.06 J
30 mm 44.22 km/h
(12.28 m/s)
0.17 J
50 mm 57.08 km/h
(15.86 m/s)
0.29 J
100 mm 80.72 km/h
(22.42 m/s)
0.58 J

Table 9: Corrosion resistance
MW 14x2 / 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 14x2 / N38

Parameter Value SI Unit / Description
Magnetic Flux 3 247 Mx 32.5 µWb
Pc Coefficient 0.22 Low (Flat)

Table 11: Submerged application
MW 14x2 / N38

Environment Effective steel pull Effect
Air (land) 1.48 kg Standard
Water (riverbed) 1.69 kg
(+0.21 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. Wall mount (shear)

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

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) drastically weakens the holding force.

3. Heat tolerance

*For N38 material, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.22

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%
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: 010024-2026
Measurement Calculator
Force (pull)

Field Strength

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This product is a very strong cylindrical magnet, manufactured from modern NdFeB material, which, at dimensions of Ø14x2 mm, guarantees maximum efficiency. This specific item is characterized by an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 1.48 kg), this product is in stock from our European logistics center, ensuring quick order fulfillment. Additionally, its Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
This model is ideal for building electric motors, advanced sensors, and efficient magnetic separators, where field concentration on a small surface counts. Thanks to the pull force of 14.51 N with a weight of only 2.31 g, this cylindrical magnet is indispensable in miniature devices 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 precision component. To ensure long-term durability in industry, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Grade N38 is the most popular standard for professional neodymium magnets, offering an optimal price-to-power ratio and operational stability. If you need the strongest magnets in the same volume (Ø14x2), 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 Ø14x2 mm, which, at a weight of 2.31 g, makes it an element with impressive magnetic energy density. The value of 14.51 N means that the magnet is capable of holding a weight many times exceeding its own mass of 2.31 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 14 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.

Strengths and weaknesses of neodymium magnets.

Advantages

Besides their durability, neodymium magnets are valued for these benefits:
  • They retain magnetic properties for almost 10 years – the drop is just ~1% (based on simulations),
  • They feature excellent resistance to magnetic field loss due to external fields,
  • A magnet with a smooth silver surface is more attractive,
  • The surface of neodymium magnets generates a concentrated magnetic field – this is a key feature,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • Thanks to the ability of free molding and customization to specialized needs, NdFeB magnets can be produced in a variety of forms and dimensions, which makes them more universal,
  • Universal use in electronics industry – they are utilized in data components, motor assemblies, advanced medical instruments, as well as complex engineering applications.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in miniature devices

Disadvantages

Disadvantages of NdFeB magnets:
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a strong case, which not only protects them against impacts but also increases their durability
  • Neodymium magnets decrease their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
  • They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in producing threads and complicated forms in magnets, we propose using cover - magnetic mechanism.
  • Possible danger resulting from small fragments of magnets are risky, in case of ingestion, which gains importance in the context of child health protection. Furthermore, small elements of these products can complicate diagnosis medical after entering the body.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Best holding force of the magnet in ideal parameterswhat affects it?

Information about lifting capacity was determined for ideal contact conditions, assuming:
  • on a base made of mild steel, effectively closing the magnetic flux
  • whose transverse dimension is min. 10 mm
  • with a plane free of scratches
  • with total lack of distance (without coatings)
  • for force acting at a right angle (in the magnet axis)
  • in stable room temperature

Determinants of lifting force in real conditions

Real force impacted by specific conditions, mainly (from priority):
  • Space between surfaces – every millimeter of separation (caused e.g. by veneer or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
  • Pull-off angle – remember that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the maximum value.
  • Element thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
  • Steel type – low-carbon steel attracts best. Alloy admixtures reduce magnetic permeability and lifting capacity.
  • Surface quality – the smoother and more polished the surface, the better the adhesion and stronger the hold. Unevenness acts like micro-gaps.
  • Temperature influence – hot environment reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, whereas under shearing force the holding force is lower. In addition, even a small distance between the magnet and the plate lowers the load capacity.

H&S for magnets
Thermal limits

Avoid heat. NdFeB magnets are susceptible to heat. If you need operation above 80°C, inquire about special high-temperature series (H, SH, UH).

Material brittleness

Watch out for shards. Magnets can explode upon violent connection, ejecting shards into the air. We recommend safety glasses.

Combustion hazard

Machining of neodymium magnets carries a risk of fire risk. Magnetic powder reacts violently with oxygen and is hard to extinguish.

Phone sensors

GPS units and mobile phones are extremely sensitive to magnetism. Direct contact with a powerful NdFeB magnet can permanently damage the sensors in your phone.

Crushing risk

Pinching hazard: The pulling power is so great that it can result in blood blisters, pinching, and broken bones. Use thick gloves.

Protect data

Do not bring magnets close to a wallet, computer, or screen. The magnetic field can permanently damage these devices and erase data from cards.

This is not a toy

NdFeB magnets are not toys. Accidental ingestion of a few magnets may result in them connecting inside the digestive tract, which constitutes a severe health hazard and necessitates immediate surgery.

Nickel coating and allergies

Medical facts indicate that the nickel plating (standard magnet coating) is a common allergen. If your skin reacts to metals, refrain from direct skin contact and select versions in plastic housing.

Implant safety

Health Alert: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have medical devices.

Safe operation

Before starting, read the rules. Sudden snapping can destroy the magnet or hurt your hand. Be predictive.

Warning! Need more info? Read our article: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98