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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 details - 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

Technical modeling of the magnet - report

Presented values represent the outcome of a physical analysis. Values rely on algorithms for the class Nd2Fe14B. Actual parameters might slightly deviate from the simulation results. Use these data as a reference point when designing systems.

Table 1: Static pull force (force vs distance) - characteristics
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
weak grip
1 mm 1565 Gs
156.5 mT
1.25 kg / 2.76 LBS
1251.7 g / 12.3 N
weak grip
2 mm 1373 Gs
137.3 mT
0.96 kg / 2.12 LBS
962.5 g / 9.4 N
weak grip
3 mm 1161 Gs
116.1 mT
0.69 kg / 1.52 LBS
688.9 g / 6.8 N
weak grip
5 mm 780 Gs
78.0 mT
0.31 kg / 0.69 LBS
311.0 g / 3.1 N
weak grip
10 mm 276 Gs
27.6 mT
0.04 kg / 0.09 LBS
39.0 g / 0.4 N
weak grip
15 mm 115 Gs
11.5 mT
0.01 kg / 0.01 LBS
6.7 g / 0.1 N
weak grip
20 mm 56 Gs
5.6 mT
0.00 kg / 0.00 LBS
1.6 g / 0.0 N
weak grip
30 mm 19 Gs
1.9 mT
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
weak grip
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
weak grip

Table 2: Sliding capacity (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: Vertical assembly (sliding) - 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: Material efficiency (substrate influence) - sheet metal selection
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 stability (stability) - power drop
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: Magnet-Magnet interaction (attraction) - field collision
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 (electronics) - precautionary measures
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
Mechanical watch 20 Gs (2.0 mT) 3.0 cm
Phone / Smartphone 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: Collisions (kinetic energy) - 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: Anti-corrosion coating durability
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: Electrical 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: Underwater work (magnet fishing)
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: 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

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

2. Steel thickness impact

*Thin metal sheet (e.g. computer case) severely reduces 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) = 0.22

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%
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: 010024-2026
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Pulling force

Magnetic Field

View also proposals

The presented product is an extremely powerful rod magnet, produced from durable NdFeB material, which, at dimensions of Ø14x2 mm, guarantees the highest energy density. This specific item features an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with significant force (approx. 1.48 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
This model is created for building electric motors, advanced Hall effect sensors, and efficient filters, 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 rod is indispensable in miniature devices and wherever low weight is crucial.
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 epoxy glues. 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 frequently chosen standard for professional neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need even stronger 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 warehouse.
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 key parameter here is the lifting capacity amounting to approximately 1.48 kg (force ~14.51 N), which, with such compact dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 2 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 through the diameter if your project requires it.

Pros and cons of Nd2Fe14B magnets.

Strengths

Besides their stability, neodymium magnets are valued for these benefits:
  • They do not lose power, even over around ten years – the decrease in lifting capacity is only ~1% (based on measurements),
  • Neodymium magnets prove to be exceptionally resistant to magnetic field loss caused by external interference,
  • In other words, due to the shiny surface of nickel, the element becomes visually attractive,
  • They are known for high magnetic induction at the operating surface, making them more effective,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to flexibility in designing and the capacity to customize to individual projects,
  • Versatile presence in high-tech industry – they are utilized in hard drives, brushless drives, medical equipment, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in miniature devices

Limitations

Drawbacks and weaknesses of neodymium magnets and ways of using them
  • Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a special holder, which not only protects them against impacts but also raises their durability
  • 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, as well as 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 suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture, when using outdoors
  • Limited ability of making threads in the magnet and complicated shapes - preferred is a housing - mounting mechanism.
  • Possible danger resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these magnets can complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Pull force analysis

Maximum lifting capacity of the magnetwhat affects it?

Holding force of 1.48 kg is a result of laboratory testing executed under specific, ideal conditions:
  • on a base made of structural steel, optimally conducting the magnetic flux
  • whose transverse dimension equals approx. 10 mm
  • with an ground contact surface
  • under conditions of ideal adhesion (metal-to-metal)
  • during detachment in a direction vertical to the mounting surface
  • at conditions approx. 20°C

Practical aspects of lifting capacity – factors

Real force is affected by working environment parameters, mainly (from most important):
  • Space between surfaces – even a fraction of a millimeter of distance (caused e.g. by varnish or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Loading method – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (often approx. 20-30% of nominal force).
  • Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
  • Metal type – different alloys attracts identically. Alloy additives weaken the attraction effect.
  • Smoothness – ideal contact is obtained only on polished steel. Rough texture create air cushions, reducing force.
  • Temperature – temperature increase causes a temporary drop of induction. It is worth remembering the maximum operating temperature for a given model.

Holding force was tested on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the holding force is lower. Additionally, even a small distance between the magnet and the plate decreases the lifting capacity.

Precautions when working with NdFeB magnets
Nickel allergy

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If skin irritation appears, cease working with magnets and wear gloves.

Electronic devices

Equipment safety: Neodymium magnets can damage data carriers and sensitive devices (heart implants, hearing aids, timepieces).

Phone sensors

An intense magnetic field interferes with the operation of compasses in phones and GPS navigation. Do not bring magnets near a device to prevent damaging the sensors.

Danger to the youngest

Product intended for adults. Tiny parts can be swallowed, causing severe trauma. Store away from children and animals.

Shattering risk

Neodymium magnets are sintered ceramics, which means they are fragile like glass. Collision of two magnets leads to them breaking into small pieces.

Bodily injuries

Mind your fingers. Two powerful magnets will join immediately with a force of massive weight, destroying everything in their path. Exercise extreme caution!

Operating temperature

Regular neodymium magnets (N-type) lose magnetization when the temperature goes above 80°C. Damage is permanent.

Medical interference

Patients with a pacemaker have to maintain an absolute distance from magnets. The magnetic field can disrupt the operation of the life-saving device.

Do not drill into magnets

Combustion risk: Neodymium dust is explosive. Avoid machining magnets without safety gear as this may cause fire.

Powerful field

Exercise caution. Rare earth magnets act from a long distance and connect with huge force, often faster than you can react.

Security! Want to know more? Check our post: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98