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MW 14x2 / 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: 1-6500
Rating: 5

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 / 14.50 N

Magnetic Induction

170.27 mT / 1703 Gs

Coating

[NiCuNi] Nickel

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Detailed 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 / 14.50 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

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 - technical parameters

Presented data constitute the result of a engineering calculation. Results are based on algorithms for the material Nd₂Fe₁₄B. Actual performance might slightly differ. Use these data as a preliminary roadmap during assembly planning.

Table 1: Static force (force vs distance) - characteristics
MW 14x2 / N38

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

Grip strength weakens drastically per each millimeter of spacing. Remember that even the smallest gap (e.g., contamination, paint, dust) noticeably diminishes the holding power. Magnetic products work most effectively during direct contact; distance drastically cuts the force. See how flashily the parameters plummet, when the magnet does not adhere directly to the steel surface. When designing the arrangement, eliminate redundant distances.

Table 2: Sliding capacity (wall)
MW 14x2 / N38

Distance (mm)	Friction coefficient	Pull Force (kg)
0 mm	Stal (~0.2)	0.30 kg / 296.0 g 2.9 N
1 mm	Stal (~0.2)	0.25 kg / 250.0 g 2.5 N
2 mm	Stal (~0.2)	0.19 kg / 192.0 g 1.9 N
3 mm	Stal (~0.2)	0.14 kg / 138.0 g 1.4 N
5 mm	Stal (~0.2)	0.06 kg / 62.0 g 0.6 N
10 mm	Stal (~0.2)	0.01 kg / 8.0 g 0.1 N
15 mm	Stal (~0.2)	0.00 kg / 2.0 g 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.0 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

The following data defines the estimated shear load required to cause the sliding of the magnet down along a upright steel wall (considering typical friction). The holding force is a function of the separation distance between the magnet and the metal.

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MW 14x2 / N38

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

When mounting a element on a vertical surface (e.g., a car body), it will only hold barely approx. 20%-30% of its nominal power. Gravity and a weak degree of grip influence the fact that magnets slip easier than they pull off. Planning a hanger? Consider that the shear force is noticeably lower than the perpendicular breakaway force. On a painted metal, the element will give way down under a noticeably lighter load. Using a rubber pad can drastically improve the result.

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

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	10%	0.15 kg / 148.0 g 1.5 N
1 mm	25%	0.37 kg / 370.0 g 3.6 N
2 mm	50%	0.74 kg / 740.0 g 7.3 N
5 mm	100%	1.48 kg / 1480.0 g 14.5 N
10 mm	100%	1.48 kg / 1480.0 g 14.5 N

A too thin steel is unable to take in the full magnetic flux, which wastes potential of the magnet. If you mount a strong magnet to a weak sheet, the flux will pass right through and the pull force will drop sharply. To achieve full efficiency of this magnet's power, you need a suitably thick backing of metal. The saturation phenomenon causes that on thin elements (e.g., appliance housings), the holder holds weaker. We suggest choosing the steel thickness based on the following data.

Table 5: Thermal stability (material behavior) - resistance threshold
MW 14x2 / N38

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

Classic neodymiums change their properties strength after exceeding the maximum temperature. Avoid high temperatures – high temperature can irreversibly demagnetize this magnet. With every degree above norm, the magnet's power temporarily drops. Do not use this product close to heaters exceeding its operating temperature limit. Ignoring the limit will cause irreversible degradation of magnetism.

*Important note: Heat tolerance is determined by both grade, as well as the dimension ratios. Flat magnets (pancake types) may lose charge permanently sooner compared to rod magnets. Red status in the table signals a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 14x2 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	2.75 kg / 2750 g 27.0 N 3 073 Gs	N/A
1 mm	2.56 kg / 2564 g 25.1 N 3 287 Gs	2.31 kg / 2307 g 22.6 N ~0 Gs
2 mm	2.33 kg / 2326 g 22.8 N 3 131 Gs	2.09 kg / 2093 g 20.5 N ~0 Gs
3 mm	2.06 kg / 2061 g 20.2 N 2 947 Gs	1.85 kg / 1855 g 18.2 N ~0 Gs
5 mm	1.52 kg / 1524 g 15.0 N 2 535 Gs	1.37 kg / 1372 g 13.5 N ~0 Gs
10 mm	0.58 kg / 578 g 5.7 N 1 561 Gs	0.52 kg / 520 g 5.1 N ~0 Gs
20 mm	0.07 kg / 72 g 0.7 N 552 Gs	0.07 kg / 65 g 0.6 N ~0 Gs
50 mm	0.00 kg / 1 g 0.0 N 62 Gs	0.00 kg / 0 g 0.0 N ~0 Gs

Two magnetic products interact from a wider radius than a magnet and steel setup. The setup of magnet-to-magnet creates a more powerful interaction and a larger range of action. Planning to create a solid fastener? Use a pair of magnets instead of a neodymium and a steel. Exercise caution that when attracting two neodymiums, the collision energy is huge. The levitation is marginally weaker than the connection force, but still large.
*Flux density between like poles is approximately ~0 Gs at the midpoint between the magnets (resulting from vector opposition).

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
Timepiece	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

Powerful magnet radiation poses a large risk to electronics and medical implants. These neodymiums generate a flux that disrupts operation of digital equipment. Remember: the unseen radiation acts through matter and glass. Exceptional care must be taken by people with hearing aids and insulin pumps. Also at risk are: automatic timepieces, car keys, membranes, and screens. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (kinetic energy) - collision effects
MW 14x2 / N38

Start from (mm)	Speed (km/h)	Energy (J)
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

Magnetic elements are prone to chipping – a collision with steel causes immediate chipping. Control the attraction moment – a neodymium left loose becomes dangerous. Kinetic force can destroy the magnet or painful pinches to fingers. Always hold the magnet during mounting so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h ends with a crack of the neodymium. Use safety goggles when working with large magnets.

Table 9: Surface protection spec
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)

The following table defines the conditions under which this product can be safely used. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (P_c)
MW 14x2 / N38

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

Flux value emitted by the magnet pole. Key data when building generators as well as sensors. P_c value determines the working geometry.

Table 11: Hydrostatics and buoyancy
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%

Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!

In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.

1. Vertical hold

*Caution: On a vertical surface, the magnet retains only a fraction of its nominal pull.

2. Steel saturation

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

3. Heat tolerance

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

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

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

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 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.

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: 010024-2025

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MW 4x5 / N38 - cylindrical magnet

0.320 ZŁ brutto / pcs

The presented product is an incredibly powerful cylindrical magnet, composed of modern NdFeB material, which, at dimensions of Ø14x2 mm, guarantees maximum efficiency. The MW 14x2 / N38 model features an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for the most demanding 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 quick order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

This model is ideal for building electric motors, advanced Hall effect sensors, and efficient magnetic separators, where maximum induction on a small surface counts. Thanks to the high power of 14.50 N with a weight of only 2.31 g, this rod is indispensable in miniature devices and wherever every gram matters.

Since our magnets have a very precise dimensions, the best method is to glue them into holes with a slightly larger diameter (e.g., 14.1 mm) using two-component epoxy glues. To ensure long-term durability in automation, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.

Grade N38 is the most popular standard for industrial neodymium magnets, offering an optimal price-to-power ratio 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 in continuous sale in our warehouse.

The presented product is a neodymium magnet with precisely defined parameters: diameter 14 mm and height 2 mm. The value of 14.50 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 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 mm. Such an arrangement is most desirable when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Advantages and disadvantages of neodymium magnets.

Pros

Apart from their superior magnetic energy, neodymium magnets have these key benefits:

They have stable power, and over more than 10 years their attraction force decreases symbolically – ~1% (in testing),
They feature excellent resistance to magnetism drop when exposed to opposing magnetic fields,
Thanks to the shiny finish, the coating of Ni-Cu-Ni, gold, or silver-plated gives an clean appearance,
They are known for high magnetic induction at the operating surface, which improves attraction properties,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
Possibility of exact forming and optimizing to atypical requirements,
Universal use in modern industrial fields – they find application in computer drives, drive modules, diagnostic systems, also multitasking production systems.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Disadvantages

Problematic aspects of neodymium magnets: tips and applications.

Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a steel housing, which not only secures them against impacts but also increases their durability
When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their strength 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 advise using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
We recommend cover - magnetic mount, due to difficulties in realizing nuts inside the magnet and complex forms.
Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, tiny parts of these magnets can disrupt the diagnostic process medical when they are in the body.
Due to expensive raw materials, their price is higher than average,

Holding force characteristics

Magnetic strength at its maximum – what contributes to it?

Holding force of 1.48 kg is a result of laboratory testing executed under standard conditions:

with the use of a yoke made of special test steel, guaranteeing maximum field concentration
whose transverse dimension reaches at least 10 mm
characterized by lack of roughness
without any insulating layer between the magnet and steel
for force applied at a right angle (in the magnet axis)
at standard ambient temperature

Key elements affecting lifting force

Holding efficiency impacted by specific conditions, such as (from most important):

Clearance – the presence of any layer (rust, tape, gap) acts as an insulator, which reduces capacity steeply (even by 50% at 0.5 mm).
Load vector – highest force is obtained only during perpendicular pulling. The force required to slide of the magnet along the surface is usually many times lower (approx. 1/5 of the lifting capacity).
Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of generating force.
Steel grade – the best choice is pure iron steel. Stainless steels may generate lower lifting capacity.
Surface structure – the smoother and more polished the surface, the better the adhesion and higher the lifting capacity. Roughness creates an air distance.
Temperature influence – high temperature reduces magnetic field. Too high temperature can permanently demagnetize the magnet.

Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. Moreover, even a minimal clearance between the magnet and the plate lowers the holding force.

H&S for magnets

Nickel coating and allergies

Some people experience a contact allergy to nickel, which is the common plating for NdFeB magnets. Prolonged contact might lead to an allergic reaction. It is best to use safety gloves.

Do not underestimate power

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

Impact on smartphones

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

Heat sensitivity

Monitor thermal conditions. Heating the magnet to high heat will destroy its magnetic structure and strength.

Danger to pacemakers

Medical warning: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have medical devices.

Protective goggles

Beware of splinters. Magnets can fracture upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

Mechanical processing

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

Serious injuries

Watch your fingers. Two powerful magnets will join instantly with a force of massive weight, crushing everything in their path. Be careful!

Swallowing risk

Absolutely store magnets out of reach of children. Ingestion danger is high, and the consequences of magnets connecting inside the body are life-threatening.

Threat to electronics

Powerful magnetic fields can erase data on payment cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.

Attention! More info about risks in the article: Safety of working with magnets.

MW 14x2 / N38 - cylindrical magnet

Detailed specification - MW 14x2 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the magnet - technical parameters

Table 1: Static force (force vs distance) - characteristics MW 14x2 / N38

Table 2: Sliding capacity (wall) MW 14x2 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces MW 14x2 / N38

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

Table 5: Thermal stability (material behavior) - resistance threshold MW 14x2 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range MW 14x2 / N38

Table 7: Hazards (electronics) - precautionary measures MW 14x2 / N38

Table 8: Dynamics (kinetic energy) - collision effects MW 14x2 / N38

Table 9: Surface protection spec MW 14x2 / N38

Table 10: Construction data (Pc) MW 14x2 / N38

Table 11: Hydrostatics and buoyancy MW 14x2 / N38

1. Vertical hold

2. Steel saturation

3. Heat tolerance

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

Material specification

Ecology and recycling (GPSR)

Magnet pull force

Field Strength

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MW 4x5 / N38 - cylindrical magnet

Advantages and disadvantages of neodymium magnets.

Pros

Disadvantages

Holding force characteristics

Magnetic strength at its maximum – what contributes to it?

Key elements affecting lifting force

H&S for magnets

Nickel coating and allergies

Do not underestimate power

Impact on smartphones

Heat sensitivity

Danger to pacemakers

Protective goggles

Mechanical processing

Serious injuries

Swallowing risk

Threat to electronics

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs distance) - characteristics
MW 14x2 / N38

Table 2: Sliding capacity (wall)
MW 14x2 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MW 14x2 / N38

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

Table 5: Thermal stability (material behavior) - resistance threshold
MW 14x2 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range
MW 14x2 / N38

Table 7: Hazards (electronics) - precautionary measures
MW 14x2 / N38

Table 8: Dynamics (kinetic energy) - collision effects
MW 14x2 / N38

Table 9: Surface protection spec
MW 14x2 / N38

Table 10: Construction data (P_c)
MW 14x2 / N38

Table 11: Hydrostatics and buoyancy
MW 14x2 / N38