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MW 10x15 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010005

GTIN/EAN: 5906301810049

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

15 mm [±0,1 mm]

Weight

8.84 g

Magnetization Direction

↑ axial

Load capacity

2.60 kg / 25.51 N

Magnetic Induction

587.44 mT / 5874 Gs

Coating

[NiCuNi] Nickel

6.15 with VAT / pcs + price for transport

5.00 ZŁ net + 23% VAT / pcs

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Detailed specification - MW 10x15 / N38 - cylindrical magnet

Specification / characteristics - MW 10x15 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010005
GTIN/EAN 5906301810049
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 15 mm [±0,1 mm]
Weight 8.84 g
Magnetization Direction ↑ axial
Load capacity ~ ? 2.60 kg / 25.51 N
Magnetic Induction ~ ? 587.44 mT / 5874 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x15 / 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 values constitute the direct effect of a engineering analysis. Values are based on models for the material Nd2Fe14B. Operational conditions may differ from theoretical values. Treat these calculations as a preliminary roadmap during assembly planning.

Table 1: Static pull force (pull vs gap) - power drop
MW 10x15 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5870 Gs
587.0 mT
2.60 kg / 5.73 LBS
2600.0 g / 25.5 N
medium risk
1 mm 4702 Gs
470.2 mT
1.67 kg / 3.68 LBS
1668.3 g / 16.4 N
safe
2 mm 3645 Gs
364.5 mT
1.00 kg / 2.21 LBS
1002.8 g / 9.8 N
safe
3 mm 2784 Gs
278.4 mT
0.58 kg / 1.29 LBS
584.8 g / 5.7 N
safe
5 mm 1631 Gs
163.1 mT
0.20 kg / 0.44 LBS
200.7 g / 2.0 N
safe
10 mm 534 Gs
53.4 mT
0.02 kg / 0.05 LBS
21.5 g / 0.2 N
safe
15 mm 234 Gs
23.4 mT
0.00 kg / 0.01 LBS
4.1 g / 0.0 N
safe
20 mm 123 Gs
12.3 mT
0.00 kg / 0.00 LBS
1.1 g / 0.0 N
safe
30 mm 46 Gs
4.6 mT
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
safe
50 mm 13 Gs
1.3 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe

Table 2: Sliding load (wall)
MW 10x15 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.52 kg / 1.15 LBS
520.0 g / 5.1 N
1 mm Stal (~0.2) 0.33 kg / 0.74 LBS
334.0 g / 3.3 N
2 mm Stal (~0.2) 0.20 kg / 0.44 LBS
200.0 g / 2.0 N
3 mm Stal (~0.2) 0.12 kg / 0.26 LBS
116.0 g / 1.1 N
5 mm Stal (~0.2) 0.04 kg / 0.09 LBS
40.0 g / 0.4 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

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MW 10x15 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.78 kg / 1.72 LBS
780.0 g / 7.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.52 kg / 1.15 LBS
520.0 g / 5.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.26 kg / 0.57 LBS
260.0 g / 2.6 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.30 kg / 2.87 LBS
1300.0 g / 12.8 N

Table 4: Material efficiency (saturation) - sheet metal selection
MW 10x15 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.26 kg / 0.57 LBS
260.0 g / 2.6 N
1 mm
25%
0.65 kg / 1.43 LBS
650.0 g / 6.4 N
2 mm
50%
1.30 kg / 2.87 LBS
1300.0 g / 12.8 N
3 mm
75%
1.95 kg / 4.30 LBS
1950.0 g / 19.1 N
5 mm
100%
2.60 kg / 5.73 LBS
2600.0 g / 25.5 N
10 mm
100%
2.60 kg / 5.73 LBS
2600.0 g / 25.5 N
11 mm
100%
2.60 kg / 5.73 LBS
2600.0 g / 25.5 N
12 mm
100%
2.60 kg / 5.73 LBS
2600.0 g / 25.5 N

Table 5: Thermal resistance (stability) - thermal limit
MW 10x15 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 2.60 kg / 5.73 LBS
2600.0 g / 25.5 N
OK
40 °C -2.2% 2.54 kg / 5.61 LBS
2542.8 g / 24.9 N
OK
60 °C -4.4% 2.49 kg / 5.48 LBS
2485.6 g / 24.4 N
OK
80 °C -6.6% 2.43 kg / 5.35 LBS
2428.4 g / 23.8 N
100 °C -28.8% 1.85 kg / 4.08 LBS
1851.2 g / 18.2 N

Table 6: Two magnets (repulsion) - field range
MW 10x15 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 16.68 kg / 36.78 LBS
6 103 Gs
2.50 kg / 5.52 LBS
2502 g / 24.5 N
N/A
1 mm 13.52 kg / 29.80 LBS
10 567 Gs
2.03 kg / 4.47 LBS
2028 g / 19.9 N
12.17 kg / 26.82 LBS
~0 Gs
2 mm 10.70 kg / 23.60 LBS
9 404 Gs
1.61 kg / 3.54 LBS
1606 g / 15.8 N
9.63 kg / 21.24 LBS
~0 Gs
3 mm 8.35 kg / 18.40 LBS
8 304 Gs
1.25 kg / 2.76 LBS
1252 g / 12.3 N
7.51 kg / 16.56 LBS
~0 Gs
5 mm 4.92 kg / 10.85 LBS
6 377 Gs
0.74 kg / 1.63 LBS
738 g / 7.2 N
4.43 kg / 9.77 LBS
~0 Gs
10 mm 1.29 kg / 2.84 LBS
3 262 Gs
0.19 kg / 0.43 LBS
193 g / 1.9 N
1.16 kg / 2.56 LBS
~0 Gs
20 mm 0.14 kg / 0.30 LBS
1 068 Gs
0.02 kg / 0.05 LBS
21 g / 0.2 N
0.12 kg / 0.27 LBS
~0 Gs
50 mm 0.00 kg / 0.01 LBS
145 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
93 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
63 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
45 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
33 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
25 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Protective zones (electronics) - warnings
MW 10x15 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 7.5 cm
Hearing aid 10 Gs (1.0 mT) 5.5 cm
Timepiece 20 Gs (2.0 mT) 4.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.5 cm
Remote 50 Gs (5.0 mT) 3.0 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm

Table 8: Collisions (cracking risk) - warning
MW 10x15 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 17.39 km/h
(4.83 m/s)
0.10 J
30 mm 29.96 km/h
(8.32 m/s)
0.31 J
50 mm 38.67 km/h
(10.74 m/s)
0.51 J
100 mm 54.69 km/h
(15.19 m/s)
1.02 J

Table 9: Coating parameters (durability)
MW 10x15 / 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 10x15 / N38

Parameter Value SI Unit / Description
Magnetic Flux 4 950 Mx 49.5 µWb
Pc Coefficient 1.09 High (Stable)

Table 11: Underwater work (magnet fishing)
MW 10x15 / N38

Environment Effective steel pull Effect
Air (land) 2.60 kg Standard
Water (riverbed) 2.98 kg
(+0.38 kg buoyancy gain)
+14.5%
Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
1. Sliding resistance

*Warning: On a vertical wall, the magnet retains only approx. 20-30% of its nominal pull.

2. Steel thickness impact

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

3. Heat tolerance

*For standard magnets, the max working temp is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.09

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 specification and ecology
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: 010005-2026
Magnet Unit Converter
Pulling force

Field Strength

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This product is an exceptionally strong rod magnet, manufactured from durable NdFeB material, which, with dimensions of Ø10x15 mm, guarantees maximum efficiency. This specific item is characterized by high dimensional repeatability and professional build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 2.60 kg), this product is in stock from our European logistics center, ensuring lightning-fast order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
It successfully proves itself in DIY projects, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the pull force of 25.51 N with a weight of only 8.84 g, this rod is indispensable in electronics and wherever low weight is crucial.
Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure stability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.
Magnets N38 are suitable for the majority of applications in automation and machine building, where extreme miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø10x15), 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 Ø10x15 mm, which, at a weight of 8.84 g, makes it an element with impressive magnetic energy density. The key parameter here is the holding force amounting to approximately 2.60 kg (force ~25.51 N), which, with such defined dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface 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 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 diametrically if your project requires it.

Pros and cons of neodymium magnets.

Strengths

Besides their tremendous strength, neodymium magnets offer the following advantages:
  • Their magnetic field is maintained, and after around 10 years it drops only by ~1% (theoretically),
  • They are resistant to demagnetization induced by presence of other magnetic fields,
  • In other words, due to the aesthetic layer of silver, the element gains a professional look,
  • Magnets possess extremely high magnetic induction on the working surface,
  • Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • Thanks to modularity in shaping and the ability to customize to unusual requirements,
  • Huge importance in modern technologies – they are used in data components, electromotive mechanisms, medical devices, also modern systems.
  • Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of neodymium magnets:
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
  • Neodymium magnets lose 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
  • 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 and corrosion.
  • Limited ability of producing threads in the magnet and complicated forms - recommended is a housing - magnet mounting.
  • Possible danger resulting from small fragments of magnets pose a threat, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small elements of these magnets can complicate diagnosis medical after entering the body.
  • With large orders the cost of neodymium magnets can be a barrier,

Lifting parameters

Maximum lifting force for a neodymium magnet – what affects it?

Information about lifting capacity is the result of a measurement for ideal contact conditions, assuming:
  • using a base made of high-permeability steel, serving as a circuit closing element
  • possessing a thickness of min. 10 mm to avoid saturation
  • characterized by even structure
  • under conditions of ideal adhesion (surface-to-surface)
  • for force applied at a right angle (pull-off, not shear)
  • at room temperature

Determinants of practical lifting force of a magnet

In real-world applications, the real power is determined by a number of factors, presented from most significant:
  • Clearance – the presence of foreign body (paint, tape, air) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
  • Loading method – catalog parameter refers to pulling vertically. When applying parallel force, the magnet exhibits much less (often approx. 20-30% of maximum force).
  • Steel thickness – insufficiently thick steel does not close the flux, causing part of the power to be wasted into the air.
  • Steel grade – the best choice is pure iron steel. Stainless steels may attract less.
  • Smoothness – ideal contact is possible only on smooth steel. Any scratches and bumps create air cushions, reducing force.
  • Thermal factor – hot environment weakens magnetic field. Too high temperature can permanently demagnetize the magnet.

Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under parallel forces the lifting capacity is smaller. Additionally, even a small distance between the magnet and the plate lowers the lifting capacity.

H&S for magnets
Warning for allergy sufferers

Some people experience a contact allergy to Ni, which is the common plating for neodymium magnets. Extended handling can result in a rash. We suggest use protective gloves.

Health Danger

For implant holders: Powerful magnets disrupt electronics. Maintain minimum 30 cm distance or ask another person to handle the magnets.

Hand protection

Danger of trauma: The attraction force is so immense that it can cause blood blisters, pinching, and broken bones. Use thick gloves.

Beware of splinters

Neodymium magnets are ceramic materials, meaning they are fragile like glass. Collision of two magnets leads to them breaking into shards.

Demagnetization risk

Avoid heat. Neodymium magnets are sensitive to heat. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Dust is flammable

Dust produced during cutting of magnets is combustible. Avoid drilling into magnets unless you are an expert.

Magnetic interference

GPS units and smartphones are highly susceptible to magnetic fields. Close proximity with a powerful NdFeB magnet can decalibrate the internal compass in your phone.

Handling rules

Handle magnets with awareness. Their immense force can surprise even professionals. Stay alert and respect their force.

Keep away from computers

Equipment safety: Strong magnets can damage payment cards and delicate electronics (heart implants, medical aids, timepieces).

Danger to the youngest

Strictly keep magnets away from children. Choking hazard is high, and the consequences of magnets connecting inside the body are life-threatening.

Security! Need more info? Read our article: Are neodymium magnets dangerous?