Product available Ships today (order by 14:00)

MW 14.9x10 / N38 - cylindrical magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

cylindrical magnet

Catalog no 010023

GTIN/EAN: 5906301810223

5.00

Diameter Ø

14.9 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

13.08 g

Magnetization Direction

→ diametrical

Load capacity

7.60 kg / 74.57 N

Magnetic Induction

496.78 mT / 4968 Gs

Coating

[NiCuNi] Nickel

technical parameters »

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Technical details - MW 14.9x10 / N38 - cylindrical magnet

Specification / characteristics - MW 14.9x10 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010023
GTIN/EAN	5906301810223
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	14.9 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	13.08 g
Magnetization Direction	→ diametrical
Load capacity ~ ?	7.60 kg / 74.57 N
Magnetic Induction ~ ?	496.78 mT / 4968 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14.9x10 / 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

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 analysis of the product - data

Presented data constitute the direct effect of a physical calculation. Values are based on models for the class Nd₂Fe₁₄B. Actual parameters might slightly deviate from the simulation results. Please consider these calculations as a preliminary roadmap when designing systems.

Table 1: Static pull force (pull vs gap) - power drop
MW 14.9x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg)	Risk Status
0 mm	4965 Gs 496.5 mT	7.60 kg / 7600.0 g 74.6 N	strong
1 mm	4309 Gs 430.9 mT	5.72 kg / 5722.6 g 56.1 N	strong
2 mm	3660 Gs 366.0 mT	4.13 kg / 4129.1 g 40.5 N	strong
3 mm	3063 Gs 306.3 mT	2.89 kg / 2892.7 g 28.4 N	strong
5 mm	2098 Gs 209.8 mT	1.36 kg / 1356.5 g 13.3 N	safe
10 mm	838 Gs 83.8 mT	0.22 kg / 216.5 g 2.1 N	safe
15 mm	389 Gs 38.9 mT	0.05 kg / 46.6 g 0.5 N	safe
20 mm	207 Gs 20.7 mT	0.01 kg / 13.2 g 0.1 N	safe
30 mm	78 Gs 7.8 mT	0.00 kg / 1.9 g 0.0 N	safe
50 mm	20 Gs 2.0 mT	0.00 kg / 0.1 g 0.0 N	safe

Pulling power weakens significantly with every mm of spacing. Note that every additional insulation layer (e.g., contamination, varnish, rust) significantly weakens the grip. Magnets hold optimally in perfect adhesion; air break weakens the force. Notice how quickly the load capacity plummet, when the magnet does not touch directly to the metal substrate. When planning the assembly, eliminate redundant distances.

Table 2: Sliding load (vertical surface)
MW 14.9x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg)
0 mm	Stal (~0.2)	1.52 kg / 1520.0 g 14.9 N
1 mm	Stal (~0.2)	1.14 kg / 1144.0 g 11.2 N
2 mm	Stal (~0.2)	0.83 kg / 826.0 g 8.1 N
3 mm	Stal (~0.2)	0.58 kg / 578.0 g 5.7 N
5 mm	Stal (~0.2)	0.27 kg / 272.0 g 2.7 N
10 mm	Stal (~0.2)	0.04 kg / 44.0 g 0.4 N
15 mm	Stal (~0.2)	0.01 kg / 10.0 g 0.1 N
20 mm	Stal (~0.2)	0.00 kg / 2.0 g 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.0 g 0.0 N

This section defines the approximate shear load required to start the slippage of the magnet downwards against a vertical steel plate (considering typical friction). This parameter is relative to the separation distance between the magnet and the surface.

Table 3: Vertical assembly (shearing) - vertical pull
MW 14.9x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.28 kg / 2280.0 g 22.4 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.52 kg / 1520.0 g 14.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.76 kg / 760.0 g 7.5 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	3.80 kg / 3800.0 g 37.3 N

When mounting a magnet on a upright surface (e.g., a board), it you can count on just about 1/5 of nominal attraction strength. Gravity as well as a weak degree of grip influence the fact that products slide down faster than they detach. Planning a wall mount? Note that the sliding force is much weaker than the maximum static pull force. On a slippery surface, the holder will slide down under a noticeably lighter load. Using a rubber layer can drastically increase the grip.

Table 4: Material efficiency (saturation) - sheet metal selection
MW 14.9x10 / N38

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	10%	0.76 kg / 760.0 g 7.5 N
1 mm	25%	1.90 kg / 1900.0 g 18.6 N
2 mm	50%	3.80 kg / 3800.0 g 37.3 N
5 mm	100%	7.60 kg / 7600.0 g 74.6 N
10 mm	100%	7.60 kg / 7600.0 g 74.6 N

A thin sheet is not enough to absorb the full magnetic flux, which wastes potential of the magnet. Should you mount a strong magnet to a too thin substrate, the magnetism will pass right through and the holding will be smaller. To utilize full efficiency of this magnet's potential, you need a suitably thick element of metal. The material oversaturation causes that on delicate walls (e.g., appliance housings), the magnet shows lower pull force. We recommend selecting the steel cross-section from these parameters.

Table 5: Working in heat (material behavior) - power drop
MW 14.9x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull	Status
20 °C	0.0%	7.60 kg / 7600.0 g 74.6 N	OK
40 °C	-2.2%	7.43 kg / 7432.8 g 72.9 N	OK
60 °C	-4.4%	7.27 kg / 7265.6 g 71.3 N	OK
80 °C	-6.6%	7.10 kg / 7098.4 g 69.6 N
100 °C	-28.8%	5.41 kg / 5411.2 g 53.1 N

Classic neodymiums irreversibly lose power after exceeding the maximum temperature. Watch out for overheating – high temperature can irreversibly demagnetize this product. With every degree above norm, the magnet's power briefly drops. Avoid using this product close to ovens exceeding its working range. Too high temperature will cause destruction of magnetic properties.

*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (low Pc) may lose charge permanently sooner compared to rod magnets. Warning indicator in the table signals permanent field degradation for this particular item.

Table 6: Two magnets (attraction) - forces in the system
MW 14.9x10 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	26.50 kg / 26503 g 260.0 N 5 802 Gs	N/A
1 mm	23.16 kg / 23157 g 227.2 N 9 283 Gs	20.84 kg / 20841 g 204.5 N ~0 Gs
2 mm	19.96 kg / 19956 g 195.8 N 8 617 Gs	17.96 kg / 17960 g 176.2 N ~0 Gs
3 mm	17.03 kg / 17026 g 167.0 N 7 959 Gs	15.32 kg / 15323 g 150.3 N ~0 Gs
5 mm	12.09 kg / 12088 g 118.6 N 6 707 Gs	10.88 kg / 10879 g 106.7 N ~0 Gs
10 mm	4.73 kg / 4731 g 46.4 N 4 196 Gs	4.26 kg / 4257 g 41.8 N ~0 Gs
20 mm	0.76 kg / 755 g 7.4 N 1 676 Gs	0.68 kg / 680 g 6.7 N ~0 Gs
50 mm	0.02 kg / 16 g 0.2 N 245 Gs	0.01 kg / 14 g 0.1 N ~0 Gs

Two strong neodymiums attract each other from a wider radius than a neodymium and metal combination. Such a system of magnet-to-magnet produces a massive flux and a further horizon of action. Designing a solid fastener? Utilize two neodymiums instead of one magnet and a steel. Remember that when connecting a pair of magnets, the collision energy is huge. The levitation is a bit weaker than the attraction, but still impressive.
*Field value for N-N configuration is approximately ~0 Gs at the geometric center of the gap (due to field cancellation).

Table 7: Hazards (electronics) - precautionary measures
MW 14.9x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	8.5 cm
Hearing aid	10 Gs (1.0 mT)	6.5 cm
Timepiece	20 Gs (2.0 mT)	5.5 cm
Mobile device	40 Gs (4.0 mT)	4.0 cm
Car key	50 Gs (5.0 mT)	4.0 cm
Payment card	400 Gs (40.0 mT)	1.5 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Extremely neodym field poses a real danger to IT equipment and medical implants. These NdFeB products produce a field that disrupts operation of sensitive medical devices. Be aware: the invisible magnetic field passes through tissues and housings. Exceptional care must be taken by people with hearing aids and drug dispensers. Also at risk are: automatic timepieces, remotes, speakers, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Collisions (kinetic energy) - collision effects
MW 14.9x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	24.74 km/h (6.87 m/s)	0.31 J
30 mm	42.11 km/h (11.70 m/s)	0.89 J
50 mm	54.36 km/h (15.10 m/s)	1.49 J
100 mm	76.87 km/h (21.35 m/s)	2.98 J

NdFeB products are prone to chipping – a strong collision with metal risks their cracking. Control the attraction moment – a neodymium left loose speeds with massive force. Striking energy can trigger coating fragments or painful pinches to fingers. Always hold the magnet during bringing near metal so it doesn't hit violently against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Use safety goggles when working with powerful specimens.

Table 9: Surface protection spec
MW 14.9x10 / 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Electrical data (Flux)
MW 14.9x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	8 732 Mx	87.3 µWb
P_c Coefficient	0.71	High (Stable)

Flux value emitted by the pole surface. Essential parameter for generator designers and motors. The P_c coefficient defines the magnet's operating point.

Table 11: Physics of underwater searching
MW 14.9x10 / N38

Environment	Effective steel pull	Effect
Air (land)	7.60 kg	Standard
Water (riverbed)	8.70 kg (+1.10 kg Buoyancy gain)	+14.5%

Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Shear force

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

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) significantly limits the holding force.

3. Thermal stability

*For standard magnets, the critical limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.71

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 P_c (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 P_c 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

Chemical composition

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%

Sustainability

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: 010023-2025

Measurement Calculator

Magnet pull force

Kilograms (kg)

Force (N)

lbs

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Induction (Gs)

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Type a value in one of the inputs, and the remaining fields convert in real-time.

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The offered product is a very strong cylinder magnet, composed of durable NdFeB material, which, at dimensions of Ø14.9x10 mm, guarantees the highest energy density. This specific item features high dimensional repeatability and professional build quality, making it an ideal solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 7.60 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

It finds application in DIY projects, advanced automation, and broadly understood industry, serving as a positioning or actuating element. Thanks to the pull force of 74.57 N with a weight of only 13.08 g, this rod is indispensable in miniature devices and wherever low weight is crucial.

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 stability in industry, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.

Magnets NdFeB grade N38 are suitable for 90% of applications in automation and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø14.9x10), 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 Ø14.9x10 mm, which, at a weight of 13.08 g, makes it an element with impressive magnetic energy density. The key parameter here is the lifting capacity amounting to approximately 7.60 kg (force ~74.57 N), which, with such compact dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which protects the surface against external factors, 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 14.9 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.

Advantages and disadvantages of neodymium magnets.

Advantages

Besides their durability, neodymium magnets are valued for these benefits:

Their magnetic field is maintained, and after approximately ten years it decreases only by ~1% (according to research),
They are resistant to demagnetization induced by external field influence,
The use of an metallic finish of noble metals (nickel, gold, silver) causes the element to have aesthetics,
They show high magnetic induction at the operating surface, which increases their power,
Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for operation at temperatures approaching 230°C and above...
Thanks to modularity in constructing and the capacity to adapt to specific needs,
Huge importance in future technologies – they are utilized in hard drives, motor assemblies, precision medical tools, also other advanced devices.
Thanks to their power density, small magnets offer high operating force, in miniature format,

Cons

Drawbacks and weaknesses of neodymium magnets and proposals for their use:

They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 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 resistant to moisture, in case of application outdoors
Due to limitations in creating threads and complex forms in magnets, we propose using cover - magnetic holder.
Potential hazard related to microscopic parts of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, tiny parts of these devices are able to disrupt the diagnostic process medical after entering the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Best holding force of the magnet in ideal parameters – what affects it?

The specified lifting capacity refers to the limit force, measured under laboratory conditions, meaning:

using a plate made of mild steel, functioning as a magnetic yoke
whose transverse dimension is min. 10 mm
characterized by smoothness
under conditions of gap-free contact (metal-to-metal)
during pulling in a direction perpendicular to the plane
at ambient temperature room level

Determinants of lifting force in real conditions

It is worth knowing that the working load may be lower influenced by the following factors, starting with the most relevant:

Space between surfaces – every millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
Angle of force application – maximum parameter is reached only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is usually many times smaller (approx. 1/5 of the lifting capacity).
Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of converting into lifting capacity.
Steel grade – the best choice is pure iron steel. Hardened steels may have worse magnetic properties.
Surface condition – smooth surfaces ensure maximum contact, which improves field saturation. Uneven metal weaken the grip.
Heat – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).

Lifting capacity was determined using a polished steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate lowers the holding force.

Precautions when working with neodymium magnets

Threat to electronics

Do not bring magnets near a wallet, laptop, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Operating temperature

Avoid heat. Neodymium magnets are sensitive to temperature. If you require operation above 80°C, ask us about HT versions (H, SH, UH).

Shattering risk

Protect your eyes. Magnets can explode upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.

Avoid contact if allergic

Certain individuals experience a sensitization to Ni, which is the standard coating for NdFeB magnets. Frequent touching can result in an allergic reaction. We strongly advise use protective gloves.

Flammability

Mechanical processing of NdFeB material poses a fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

Crushing force

Watch your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, destroying anything in their path. Be careful!

GPS Danger

An intense magnetic field interferes with the functioning of compasses in smartphones and navigation systems. Keep magnets close to a device to prevent breaking the sensors.

Handling guide

Handle magnets consciously. Their huge power can surprise even experienced users. Be vigilant and respect their force.

Implant safety

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

Danger to the youngest

Absolutely store magnets away from children. Choking hazard is high, and the consequences of magnets connecting inside the body are fatal.

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

MW 14.9x10 / N38 - cylindrical magnet

Technical details - MW 14.9x10 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical analysis of the product - data

Table 1: Static pull force (pull vs gap) - power drop MW 14.9x10 / N38

Table 2: Sliding load (vertical surface) MW 14.9x10 / N38

Table 3: Vertical assembly (shearing) - vertical pull MW 14.9x10 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MW 14.9x10 / N38

Table 5: Working in heat (material behavior) - power drop MW 14.9x10 / N38

Table 6: Two magnets (attraction) - forces in the system MW 14.9x10 / N38

Table 7: Hazards (electronics) - precautionary measures MW 14.9x10 / N38

Table 8: Collisions (kinetic energy) - collision effects MW 14.9x10 / N38

Table 9: Surface protection spec MW 14.9x10 / N38

Table 10: Electrical data (Flux) MW 14.9x10 / N38

Table 11: Physics of underwater searching MW 14.9x10 / N38

1. Shear force

2. Plate thickness effect

3. Thermal stability

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

Chemical composition

Sustainability

Magnet pull force

Magnetic Field

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Advantages and disadvantages of neodymium magnets.

Advantages

Cons

Lifting parameters

Best holding force of the magnet in ideal parameters – what affects it?

Determinants of lifting force in real conditions

Precautions when working with neodymium magnets

Threat to electronics

Operating temperature

Shattering risk

Avoid contact if allergic

Flammability

Crushing force

GPS Danger

Handling guide

Implant safety

Danger to the youngest

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - power drop
MW 14.9x10 / N38

Table 2: Sliding load (vertical surface)
MW 14.9x10 / N38

Table 3: Vertical assembly (shearing) - vertical pull
MW 14.9x10 / N38

Table 4: Material efficiency (saturation) - sheet metal selection
MW 14.9x10 / N38

Table 5: Working in heat (material behavior) - power drop
MW 14.9x10 / N38

Table 6: Two magnets (attraction) - forces in the system
MW 14.9x10 / N38

Table 7: Hazards (electronics) - precautionary measures
MW 14.9x10 / N38

Table 8: Collisions (kinetic energy) - collision effects
MW 14.9x10 / N38

Table 9: Surface protection spec
MW 14.9x10 / N38

Table 10: Electrical data (Flux)
MW 14.9x10 / N38

Table 11: Physics of underwater searching
MW 14.9x10 / N38