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MW 10x2 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010006

GTIN/EAN: 5906301810056

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

1.18 g

Magnetization Direction

↑ axial

Load capacity

1.27 kg / 12.50 N

Magnetic Induction

230.11 mT / 2301 Gs

Coating

[NiCuNi] Nickel

0.467 with VAT / pcs + price for transport

0.380 ZŁ net + 23% VAT / pcs

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Technical details - MW 10x2 / N38 - cylindrical magnet

Specification / characteristics - MW 10x2 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010006
GTIN/EAN 5906301810056
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 2 mm [±0,1 mm]
Weight 1.18 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.27 kg / 12.50 N
Magnetic Induction ~ ? 230.11 mT / 2301 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x2 / 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 simulation of the product - data

These information are the direct effect of a physical analysis. Results 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 force (force vs distance) - power drop
MW 10x2 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2300 Gs
230.0 mT
1.27 kg / 2.80 pounds
1270.0 g / 12.5 N
safe
1 mm 1974 Gs
197.4 mT
0.94 kg / 2.06 pounds
935.3 g / 9.2 N
safe
2 mm 1570 Gs
157.0 mT
0.59 kg / 1.31 pounds
592.1 g / 5.8 N
safe
3 mm 1194 Gs
119.4 mT
0.34 kg / 0.75 pounds
342.3 g / 3.4 N
safe
5 mm 661 Gs
66.1 mT
0.10 kg / 0.23 pounds
104.9 g / 1.0 N
safe
10 mm 178 Gs
17.8 mT
0.01 kg / 0.02 pounds
7.6 g / 0.1 N
safe
15 mm 66 Gs
6.6 mT
0.00 kg / 0.00 pounds
1.1 g / 0.0 N
safe
20 mm 31 Gs
3.1 mT
0.00 kg / 0.00 pounds
0.2 g / 0.0 N
safe
30 mm 10 Gs
1.0 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
safe
50 mm 2 Gs
0.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
safe

Table 2: Sliding load (wall)
MW 10x2 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.25 kg / 0.56 pounds
254.0 g / 2.5 N
1 mm Stal (~0.2) 0.19 kg / 0.41 pounds
188.0 g / 1.8 N
2 mm Stal (~0.2) 0.12 kg / 0.26 pounds
118.0 g / 1.2 N
3 mm Stal (~0.2) 0.07 kg / 0.15 pounds
68.0 g / 0.7 N
5 mm Stal (~0.2) 0.02 kg / 0.04 pounds
20.0 g / 0.2 N
10 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 10x2 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.38 kg / 0.84 pounds
381.0 g / 3.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.25 kg / 0.56 pounds
254.0 g / 2.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.13 kg / 0.28 pounds
127.0 g / 1.2 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.64 kg / 1.40 pounds
635.0 g / 6.2 N

Table 4: Steel thickness (saturation) - power losses
MW 10x2 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.13 kg / 0.28 pounds
127.0 g / 1.2 N
1 mm
25%
0.32 kg / 0.70 pounds
317.5 g / 3.1 N
2 mm
50%
0.64 kg / 1.40 pounds
635.0 g / 6.2 N
3 mm
75%
0.95 kg / 2.10 pounds
952.5 g / 9.3 N
5 mm
100%
1.27 kg / 2.80 pounds
1270.0 g / 12.5 N
10 mm
100%
1.27 kg / 2.80 pounds
1270.0 g / 12.5 N
11 mm
100%
1.27 kg / 2.80 pounds
1270.0 g / 12.5 N
12 mm
100%
1.27 kg / 2.80 pounds
1270.0 g / 12.5 N

Table 5: Thermal resistance (material behavior) - power drop
MW 10x2 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.27 kg / 2.80 pounds
1270.0 g / 12.5 N
OK
40 °C -2.2% 1.24 kg / 2.74 pounds
1242.1 g / 12.2 N
OK
60 °C -4.4% 1.21 kg / 2.68 pounds
1214.1 g / 11.9 N
80 °C -6.6% 1.19 kg / 2.62 pounds
1186.2 g / 11.6 N
100 °C -28.8% 0.90 kg / 1.99 pounds
904.2 g / 8.9 N

Table 6: Two magnets (attraction) - forces in the system
MW 10x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 2.56 kg / 5.65 pounds
3 867 Gs
0.38 kg / 0.85 pounds
384 g / 3.8 N
N/A
1 mm 2.25 kg / 4.96 pounds
4 312 Gs
0.34 kg / 0.74 pounds
338 g / 3.3 N
2.03 kg / 4.46 pounds
~0 Gs
2 mm 1.89 kg / 4.16 pounds
3 948 Gs
0.28 kg / 0.62 pounds
283 g / 2.8 N
1.70 kg / 3.74 pounds
~0 Gs
3 mm 1.52 kg / 3.36 pounds
3 548 Gs
0.23 kg / 0.50 pounds
229 g / 2.2 N
1.37 kg / 3.02 pounds
~0 Gs
5 mm 0.92 kg / 2.02 pounds
2 750 Gs
0.14 kg / 0.30 pounds
137 g / 1.3 N
0.82 kg / 1.82 pounds
~0 Gs
10 mm 0.21 kg / 0.47 pounds
1 322 Gs
0.03 kg / 0.07 pounds
32 g / 0.3 N
0.19 kg / 0.42 pounds
~0 Gs
20 mm 0.02 kg / 0.03 pounds
355 Gs
0.00 kg / 0.01 pounds
2 g / 0.0 N
0.01 kg / 0.03 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
33 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
60 mm 0.00 kg / 0.00 pounds
20 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
70 mm 0.00 kg / 0.00 pounds
13 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
80 mm 0.00 kg / 0.00 pounds
9 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
90 mm 0.00 kg / 0.00 pounds
6 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.00 pounds
5 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs

Table 7: Hazards (implants) - precautionary measures
MW 10x2 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 4.0 cm
Hearing aid 10 Gs (1.0 mT) 3.5 cm
Mechanical watch 20 Gs (2.0 mT) 2.5 cm
Mobile device 40 Gs (4.0 mT) 2.0 cm
Remote 50 Gs (5.0 mT) 2.0 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) - collision effects
MW 10x2 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 33.21 km/h
(9.22 m/s)
0.05 J
30 mm 57.31 km/h
(15.92 m/s)
0.15 J
50 mm 73.98 km/h
(20.55 m/s)
0.25 J
100 mm 104.63 km/h
(29.06 m/s)
0.50 J

Table 9: Surface protection spec
MW 10x2 / 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 10x2 / N38

Parameter Value SI Unit / Description
Magnetic Flux 2 097 Mx 21.0 µWb
Pc Coefficient 0.29 Low (Flat)

Table 11: Submerged application
MW 10x2 / N38

Environment Effective steel pull Effect
Air (land) 1.27 kg Standard
Water (riverbed) 1.45 kg
(+0.18 kg buoyancy gain)
+14.5%
Warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
1. Shear force

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

2. Steel saturation

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

3. Heat tolerance

*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) = 0.29

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.

Technical specification and ecology
Elemental analysis
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: 010006-2026
Magnet Unit Converter
Force (pull)

Magnetic Field

Other products

The presented product is an incredibly powerful cylinder magnet, composed of modern NdFeB material, which, at dimensions of Ø10x2 mm, guarantees optimal power. This specific item boasts high dimensional repeatability and industrial build quality, making it an ideal solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 1.27 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Furthermore, its Ni-Cu-Ni coating effectively protects it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
It finds application in DIY projects, advanced robotics, and broadly understood industry, serving as a positioning or actuating element. Thanks to the high power of 12.50 N with a weight of only 1.18 g, this cylindrical magnet is indispensable in electronics 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 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 durability of the connection.
Grade N38 is the most frequently chosen standard for professional neodymium magnets, offering an optimal price-to-power ratio and operational stability. If you need even stronger magnets in the same volume (Ø10x2), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 10 mm and height 2 mm. The key parameter here is the lifting capacity amounting to approximately 1.27 kg (force ~12.50 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 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 through the diameter if your project requires it.

Pros as well as cons of rare earth magnets.

Strengths

Apart from their superior magnetism, neodymium magnets have these key benefits:
  • They retain attractive force for almost 10 years – the drop is just ~1% (according to analyses),
  • They are resistant to demagnetization induced by presence of other magnetic fields,
  • Thanks to the glossy finish, the surface of nickel, gold, or silver gives an clean appearance,
  • They are known for high magnetic induction at the operating surface, which improves attraction properties,
  • Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for functioning at temperatures reaching 230°C and above...
  • Thanks to modularity in designing and the capacity to adapt to individual projects,
  • Key role in future technologies – they find application in hard drives, electric drive systems, advanced medical instruments, also technologically advanced constructions.
  • Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Disadvantages

Characteristics of disadvantages of neodymium magnets and proposals for their use:
  • To avoid cracks under impact, we recommend using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
  • NdFeB magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • They oxidize in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • We recommend cover - magnetic holder, due to difficulties in producing nuts inside the magnet and complex forms.
  • Health risk resulting from small fragments of magnets are risky, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, tiny parts of these devices can disrupt the diagnostic process medical when they are in the body.
  • Due to neodymium price, their price is higher than average,

Holding force characteristics

Highest magnetic holding forcewhat contributes to it?

Holding force of 1.27 kg is a theoretical maximum value conducted under specific, ideal conditions:
  • on a plate made of mild steel, perfectly concentrating the magnetic field
  • with a cross-section of at least 10 mm
  • with a surface cleaned and smooth
  • with total lack of distance (no paint)
  • under perpendicular force vector (90-degree angle)
  • at standard ambient temperature

Magnet lifting force in use – key factors

In practice, the real power results from a number of factors, ranked from most significant:
  • Distance (between the magnet and the metal), because even a microscopic clearance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, rust or debris).
  • Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
  • Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
  • Chemical composition of the base – low-carbon steel gives the best results. Alloy steels lower magnetic properties and holding force.
  • Surface structure – the smoother and more polished the plate, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
  • Thermal factor – high temperature reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was measured on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under shearing force the holding force is lower. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.

Precautions when working with neodymium magnets
Beware of splinters

Watch out for shards. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

Electronic devices

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

Powerful field

Use magnets with awareness. Their huge power can surprise even professionals. Stay alert and do not underestimate their power.

Do not drill into magnets

Powder generated during machining of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Warning for allergy sufferers

Medical facts indicate that the nickel plating (standard magnet coating) is a potent allergen. For allergy sufferers, refrain from direct skin contact and opt for versions in plastic housing.

Operating temperature

Standard neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. The loss of strength is permanent.

Keep away from children

Strictly keep magnets out of reach of children. Risk of swallowing is high, and the effects of magnets clamping inside the body are fatal.

Phone sensors

Remember: rare earth magnets produce a field that confuses sensitive sensors. Keep a separation from your mobile, tablet, and navigation systems.

Medical implants

Medical warning: Neodymium magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.

Bone fractures

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

Safety First! Looking for details? Read our article: Why are neodymium magnets dangerous?