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MW 8x5 / N38 - cylindrical magnet

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

cylindrical magnet

Catalog no 010105

GTIN/EAN: 5906301811046

5.00

Diameter Ø

8 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

1.88 g

Magnetization Direction

↑ axial

Load capacity

2.17 kg / 21.31 N

Magnetic Induction

483.41 mT / 4834 Gs

Coating

[NiCuNi] Nickel

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0.836 ZŁ with VAT / pcs + price for transport

0.680 ZŁ net + 23% VAT / pcs

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Technical specification of the product - MW 8x5 / N38 - cylindrical magnet

Specification / characteristics - MW 8x5 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010105
GTIN/EAN	5906301811046
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	8 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	1.88 g
Magnetization Direction	↑ axial
Load capacity ~ ?	2.17 kg / 21.31 N
Magnetic Induction ~ ?	483.41 mT / 4834 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 8x5 / 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 magnet - technical parameters

These data constitute the result of a engineering simulation. Values rely on algorithms for the class Nd₂Fe₁₄B. Real-world conditions might slightly differ. Use these data as a preliminary roadmap for designers.

Table 1: Static pull force (pull vs gap) - interaction chart
MW 8x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4830 Gs 483.0 mT	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N	warning
1 mm	3655 Gs 365.5 mT	1.24 kg / 2.74 lbs 1242.8 g / 12.2 N	weak grip
2 mm	2610 Gs 261.0 mT	0.63 kg / 1.40 lbs 633.9 g / 6.2 N	weak grip
3 mm	1825 Gs 182.5 mT	0.31 kg / 0.68 lbs 310.0 g / 3.0 N	weak grip
5 mm	915 Gs 91.5 mT	0.08 kg / 0.17 lbs 77.9 g / 0.8 N	weak grip
10 mm	234 Gs 23.4 mT	0.01 kg / 0.01 lbs 5.1 g / 0.1 N	weak grip
15 mm	89 Gs 8.9 mT	0.00 kg / 0.00 lbs 0.7 g / 0.0 N	weak grip
20 mm	43 Gs 4.3 mT	0.00 kg / 0.00 lbs 0.2 g / 0.0 N	weak grip
30 mm	14 Gs 1.4 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip
50 mm	3 Gs 0.3 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip

Grip strength drops drastically with every subsequent millimeter of spacing. Remember that even a very thin break (e.g., contamination, paint, veneer) strongly weakens the grip. Magnetic products operate most effectively at the point of direct contact; gap weakens the force. Notice how quickly the load capacity plummet, when the product does not touch tightly to the steel surface. When calculating the assembly, discard redundant distances.

Table 2: Slippage hold (wall)
MW 8x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.43 kg / 0.96 lbs 434.0 g / 4.3 N
1 mm	Stal (~0.2)	0.25 kg / 0.55 lbs 248.0 g / 2.4 N
2 mm	Stal (~0.2)	0.13 kg / 0.28 lbs 126.0 g / 1.2 N
3 mm	Stal (~0.2)	0.06 kg / 0.14 lbs 62.0 g / 0.6 N
5 mm	Stal (~0.2)	0.02 kg / 0.04 lbs 16.0 g / 0.2 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 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

The following data defines the theoretical weight limit needed to cause the downward movement of the magnet down along a vertical steel wall (assuming standard friction). This value is a function of the gap size between the magnet and the metal.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 8x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.65 kg / 1.44 lbs 651.0 g / 6.4 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.43 kg / 0.96 lbs 434.0 g / 4.3 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.22 kg / 0.48 lbs 217.0 g / 2.1 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	1.09 kg / 2.39 lbs 1085.0 g / 10.6 N

When hanging a holder on a upright wall (e.g., a car body), it will maintain barely approx. 1/5 of nominal attraction strength. Gravitational force and a low friction coefficient cause that magnets slide down faster than they pop off the substrate. Designing a vertical fastening? Remember that the sliding force is noticeably lower than the maximum static pull force. On a smooth steel, the magnet will slide down under a much lighter weight. Using a rubber coating can effectively improve the result.

Table 4: Steel thickness (saturation) - sheet metal selection
MW 8x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.22 kg / 0.48 lbs 217.0 g / 2.1 N
1 mm	25%	0.54 kg / 1.20 lbs 542.5 g / 5.3 N
2 mm	50%	1.09 kg / 2.39 lbs 1085.0 g / 10.6 N
3 mm	75%	1.63 kg / 3.59 lbs 1627.5 g / 16.0 N
5 mm	100%	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N
10 mm	100%	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N
11 mm	100%	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N
12 mm	100%	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N

A too thin steel is unable to focus the full magnetic flux, which wastes potential of the magnet. Should you install a neodymium to a too thin substrate, the magnetism will penetrate right through and the attraction force will be weaker. To achieve 100% of this magnet's potential, you require a sufficiently solid piece of metal. The material oversaturation means that on sheet metal structures (e.g., appliance housings), the magnet works worse. We advise picking the steel thickness according to the table below.

Table 5: Thermal resistance (stability) - resistance threshold
MW 8x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	2.17 kg / 4.78 lbs 2170.0 g / 21.3 N	OK
40 °C	-2.2%	2.12 kg / 4.68 lbs 2122.3 g / 20.8 N	OK
60 °C	-4.4%	2.07 kg / 4.57 lbs 2074.5 g / 20.4 N	OK
80 °C	-6.6%	2.03 kg / 4.47 lbs 2026.8 g / 19.9 N
100 °C	-28.8%	1.55 kg / 3.41 lbs 1545.0 g / 15.2 N

Ordinary NdFeB products lose strength past the thermal threshold. Avoid high temperatures – heat can permanently demagnetize this magnet. As the temperature rises, the magnet's power briefly drops. Avoid using this magnet close to ovens exceeding its working range. Too high temperature will cause irreversible degradation of magnetic properties.

*Engineering note: Thermal stability depends not only on the material grade, as well as the dimension ratios. Low-profile magnets (low Pc) may lose charge permanently sooner than taller cylinders. Red status in the table signals permanent field degradation for this specific geometry.

Table 6: Two magnets (repulsion) - field range
MW 8x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	7.23 kg / 15.94 lbs 5 742 Gs	1.08 kg / 2.39 lbs 1084 g / 10.6 N	N/A
1 mm	5.58 kg / 12.31 lbs 8 490 Gs	0.84 kg / 1.85 lbs 838 g / 8.2 N	5.03 kg / 11.08 lbs ~0 Gs
2 mm	4.14 kg / 9.13 lbs 7 310 Gs	0.62 kg / 1.37 lbs 621 g / 6.1 N	3.73 kg / 8.21 lbs ~0 Gs
3 mm	2.98 kg / 6.58 lbs 6 207 Gs	0.45 kg / 0.99 lbs 448 g / 4.4 N	2.69 kg / 5.92 lbs ~0 Gs
5 mm	1.48 kg / 3.26 lbs 4 369 Gs	0.22 kg / 0.49 lbs 222 g / 2.2 N	1.33 kg / 2.93 lbs ~0 Gs
10 mm	0.26 kg / 0.57 lbs 1 830 Gs	0.04 kg / 0.09 lbs 39 g / 0.4 N	0.23 kg / 0.51 lbs ~0 Gs
20 mm	0.02 kg / 0.04 lbs 468 Gs	0.00 kg / 0.01 lbs 3 g / 0.0 N	0.02 kg / 0.03 lbs ~0 Gs
50 mm	0.00 kg / 0.00 lbs 47 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 29 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 19 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 13 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 9 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 7 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums interact from a much further distance than a neodymium and metal setup. The setup of two magnets generates a stronger field and a wider radius of performance. Planning to create a strong closure? Use a pair of magnets instead of one magnet and a steel. Exercise caution that when attracting two neodymiums, the collision energy is huge. The repulsion force is a bit weaker than the connection force, but still large.
*The magnetic induction for N-N configuration drops to ~0 Gs at the midpoint of the gap (resulting from vector opposition).
Important: Estimates show friction force of a pair of matching magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Hazards (implants) - precautionary measures
MW 8x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	4.5 cm
Hearing aid	10 Gs (1.0 mT)	3.5 cm
Mechanical watch	20 Gs (2.0 mT)	3.0 cm
Mobile device	40 Gs (4.0 mT)	2.5 cm
Car key	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

Extremely neodym field poses a serious hazard to IT equipment as well as pacemakers. These NdFeB products produce a field that destroys function of sensitive medical devices. Notice: the unseen radiation passes through tissues and glass. Increased vigilance must be taken by people with hearing aids and drug dispensers. The risk also applies to: mechanical watches, remotes, speakers, and screens. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - warning
MW 8x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	34.31 km/h (9.53 m/s)	0.09 J
30 mm	59.35 km/h (16.49 m/s)	0.26 J
50 mm	76.62 km/h (21.28 m/s)	0.43 J
100 mm	108.35 km/h (30.10 m/s)	0.85 J

NdFeB products are very brittle – a collision with steel causes immediate chipping. Control the attraction moment – a magnet released freely turns into a projectile. Kinetic force can trigger coating fragments or painful pinches to fingers. Always hold the magnet during installation so it doesn't hit violently against the metal. A collision at high speed almost guarantees destruction of the neodymium. Use safety goggles when working with powerful specimens.

Table 9: Coating parameters (durability)
MW 8x5 / 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 SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (Flux)
MW 8x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	2 450 Mx	24.5 µWb
P_c Coefficient	0.68	High (Stable)

Flux value emitted by the pole surface. Essential parameter in coil applications as well as sensors. The P_c coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 8x5 / N38

Environment	Effective steel pull	Effect
Air (land)	2.17 kg	Standard
Water (riverbed)	2.48 kg (+0.31 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

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

2. Efficiency vs thickness

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

3. Thermal stability

*For N38 grade, the critical limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.68

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.

Technical and environmental data

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: 010105-2026

Magnet Unit Converter

Pulling force

Kilograms (kg)

Force in lbs

Magnetic Induction

Induction (T)

Simply complete one field, and the converter compute everything else automatically.

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UMH 36x8x46 [M6] / N38 - magnetic holder with hook

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UMC 25x6/4x8 / N38 - cylindrical magnetic holder

11.70 ZŁ brutto / pcs

This product is an extremely powerful cylinder magnet, composed of advanced NdFeB material, which, at dimensions of Ø8x5 mm, guarantees optimal power. The MW 8x5 / N38 model boasts an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 2.17 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.

It successfully proves itself in modeling, advanced automation, and broadly understood industry, serving as a positioning or actuating element. Thanks to the high power of 21.31 N with a weight of only 1.88 g, this rod is indispensable in miniature devices and wherever low weight is crucial.

Due to the brittleness of the NdFeB material, we absolutely advise against force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure long-term durability in industry, specialized industrial adhesives 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 an optimal price-to-power ratio and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø8x5), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.

The presented product is a neodymium magnet with precisely defined parameters: diameter 8 mm and height 5 mm. The key parameter here is the holding force amounting to approximately 2.17 kg (force ~21.31 N), which, with such defined dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 5 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 as well as cons of Nd₂Fe₁₄B magnets.

Pros

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:

Their magnetic field remains stable, and after around 10 years it decreases only by ~1% (theoretically),
They are extremely resistant to demagnetization induced by external field influence,
The use of an refined finish of noble metals (nickel, gold, silver) causes the element to present itself better,
The surface of neodymium magnets generates a intense magnetic field – this is a key feature,
Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for operation at temperatures reaching 230°C and above...
Thanks to the possibility of free forming and customization to custom requirements, magnetic components can be manufactured in a wide range of shapes and sizes, which makes them more universal,
Universal use in modern industrial fields – they find application in HDD drives, electric drive systems, precision medical tools, also industrial machines.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Disadvantages of NdFeB magnets:

To avoid cracks under impact, we suggest using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
We suggest a housing - magnetic mount, due to difficulties in realizing threads inside the magnet and complex shapes.
Possible danger 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 products can be problematic in diagnostics medical when they are in the body.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Highest magnetic holding force – what it depends on?

The load parameter shown refers to the maximum value, measured under optimal environment, specifically:

with the contact of a yoke made of low-carbon steel, ensuring maximum field concentration
whose thickness is min. 10 mm
characterized by lack of roughness
without the slightest insulating layer between the magnet and steel
during pulling in a direction perpendicular to the mounting surface
at standard ambient temperature

Determinants of practical lifting force of a magnet

Holding efficiency impacted by specific conditions, including (from priority):

Clearance – the presence of any layer (rust, dirt, gap) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
Element thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal limits the attraction force (the magnet "punches through" it).
Plate material – low-carbon steel attracts best. Higher carbon content decrease magnetic permeability and lifting capacity.
Plate texture – ground elements guarantee perfect abutment, which improves field saturation. Uneven metal reduce efficiency.
Temperature – temperature increase results in weakening of induction. Check the thermal limit for a given model.

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under parallel forces the holding force is lower. Additionally, even a slight gap between the magnet and the plate lowers the lifting capacity.

Precautions when working with neodymium magnets

This is not a toy

NdFeB magnets are not suitable for play. Accidental ingestion of several magnets can lead to them connecting inside the digestive tract, which constitutes a direct threat to life and necessitates urgent medical intervention.

Avoid contact if allergic

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

Do not drill into magnets

Fire warning: Neodymium dust is explosive. Do not process magnets without safety gear as this may cause fire.

Keep away from electronics

Be aware: rare earth magnets produce a field that interferes with sensitive sensors. Keep a safe distance from your phone, tablet, and GPS.

Electronic hazard

Avoid bringing magnets close to a wallet, computer, or TV. The magnetic field can destroy these devices and wipe information from cards.

Respect the power

Before starting, check safety instructions. Sudden snapping can break the magnet or hurt your hand. Be predictive.

Bodily injuries

Risk of injury: The pulling power is so immense that it can result in hematomas, pinching, and broken bones. Use thick gloves.

Risk of cracking

Despite the nickel coating, the material is delicate and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.

Heat warning

Standard neodymium magnets (grade N) lose power when the temperature goes above 80°C. The loss of strength is permanent.

Medical implants

Health Alert: Neodymium magnets can turn off pacemakers and defibrillators. Do not approach if you have medical devices.

Important! More info about hazards in the article: Safety of working with magnets.

MW 8x5 / N38 - cylindrical magnet

Technical specification of the product - MW 8x5 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical analysis of the magnet - technical parameters

Table 1: Static pull force (pull vs gap) - interaction chart MW 8x5 / N38

Table 2: Slippage hold (wall) MW 8x5 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MW 8x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MW 8x5 / N38

Table 5: Thermal resistance (stability) - resistance threshold MW 8x5 / N38

Table 6: Two magnets (repulsion) - field range MW 8x5 / N38

Table 7: Hazards (implants) - precautionary measures MW 8x5 / N38

Table 8: Impact energy (cracking risk) - warning MW 8x5 / N38

Table 9: Coating parameters (durability) MW 8x5 / N38

Table 10: Construction data (Flux) MW 8x5 / N38

Table 11: Underwater work (magnet fishing) MW 8x5 / N38

1. Vertical hold

2. Efficiency vs thickness

3. Thermal stability

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

Elemental analysis

Ecology and recycling (GPSR)

Pulling force

Magnetic Induction

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UMC 25x6/4x8 / N38 - cylindrical magnetic holder

Pros as well as cons of Nd2Fe14B magnets.

Pros

Disadvantages

Holding force characteristics

Highest magnetic holding force – what it depends on?

Determinants of practical lifting force of a magnet

Precautions when working with neodymium magnets

This is not a toy

Avoid contact if allergic

Do not drill into magnets

Keep away from electronics

Electronic hazard

Respect the power

Bodily injuries

Risk of cracking

Heat warning

Medical implants

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - interaction chart
MW 8x5 / N38

Table 2: Slippage hold (wall)
MW 8x5 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 8x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MW 8x5 / N38

Table 5: Thermal resistance (stability) - resistance threshold
MW 8x5 / N38

Table 6: Two magnets (repulsion) - field range
MW 8x5 / N38

Table 7: Hazards (implants) - precautionary measures
MW 8x5 / N38

Table 8: Impact energy (cracking risk) - warning
MW 8x5 / N38

Table 9: Coating parameters (durability)
MW 8x5 / N38

Table 10: Construction data (Flux)
MW 8x5 / N38

Table 11: Underwater work (magnet fishing)
MW 8x5 / N38

Pros as well as cons of Nd₂Fe₁₄B magnets.