Product on order Ships in 3-5 days

MP 25x7x9 / N38 - ring magnet

ring magnet

Catalog no 030195

GTIN/EAN: 5906301812128

5.00

Diameter

25 mm [±0,1 mm]

internal diameter Ø

7 mm [±0,1 mm]

Height

9 mm [±0,1 mm]

Weight

30.54 g

Magnetization Direction

↑ axial

Load capacity

14.82 kg / 145.39 N

Magnetic Induction

362.13 mT / 3621 Gs

Coating

[NiCuNi] Nickel

check properties »

12.55 ZŁ with VAT / pcs + price for transport

10.20 ZŁ net + 23% VAT / pcs

bulk discounts:

Need more?
price from 1 pcs
10.20 ZŁ
12.55 ZŁ
price from 60 pcs
9.59 ZŁ
11.79 ZŁ
price from 250 pcs
8.98 ZŁ
11.04 ZŁ
Carbon Footprint – environmental impact GPSR Regulation – product safety
Want to negotiate?

Pick up the phone and ask +48 22 499 98 98 if you prefer drop us a message using contact form the contact section.
Weight and form of a neodymium magnet can be checked on our magnetic calculator.

Orders placed before 14:00 will be shipped the same business day.

Technical data - MP 25x7x9 / N38 - ring magnet

Specification / characteristics - MP 25x7x9 / N38 - ring magnet

properties
properties values
Cat. no. 030195
GTIN/EAN 5906301812128
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 25 mm [±0,1 mm]
internal diameter Ø 7 mm [±0,1 mm]
Height 9 mm [±0,1 mm]
Weight 30.54 g
Magnetization Direction ↑ axial
Load capacity ~ ? 14.82 kg / 145.39 N
Magnetic Induction ~ ? 362.13 mT / 3621 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MP 25x7x9 / N38 - ring 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

Physical modeling of the product - data

Presented information constitute the direct effect of a physical simulation. Values were calculated on algorithms for the class Nd2Fe14B. Actual performance may differ. Treat these calculations as a reference point during assembly planning.

Table 1: Static pull force (pull vs gap) - characteristics
MP 25x7x9 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5777 Gs
577.7 mT
 14.82 kg / 32.67 lbs
14820.0 g / 145.4 N
 crushing
1 mm 5310 Gs
531.0 mT
 12.52 kg / 27.60 lbs
12519.6 g / 122.8 N
 crushing
2 mm 4846 Gs
484.6 mT
 10.43 kg / 22.98 lbs
10425.5 g / 102.3 N
 crushing
3 mm 4397 Gs
439.7 mT
 8.59 kg / 18.93 lbs
8586.1 g / 84.2 N
 strong
5 mm 3576 Gs
357.6 mT
 5.68 kg / 12.52 lbs
5678.0 g / 55.7 N
 strong
10 mm 2073 Gs
207.3 mT
 1.91 kg / 4.21 lbs
1907.5 g / 18.7 N
 weak grip
15 mm 1231 Gs
123.1 mT
 0.67 kg / 1.48 lbs
673.1 g / 6.6 N
 weak grip
20 mm 773 Gs
77.3 mT
 0.27 kg / 0.58 lbs
265.0 g / 2.6 N
 weak grip
30 mm 356 Gs
35.6 mT
 0.06 kg / 0.12 lbs
56.2 g / 0.6 N
 weak grip
50 mm 115 Gs
11.5 mT
 0.01 kg / 0.01 lbs
5.9 g / 0.1 N
 weak grip
Grip strength weakens sharply with every mm of gap. Keep in mind that even a microscopic distance (e.g., contamination, varnish, veneer) significantly reduces the pull force. Magnets work strongest during direct contact; air break weakens the force. Notice how quickly the load capacity plummet, when the product does not adhere directly to the metal substrate. When planning the mounting, avoid additional spacers.

Table 2: Slippage capacity (vertical surface)
MP 25x7x9 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 2.96 kg / 6.53 lbs
2964.0 g / 29.1 N
1 mm Stal (~0.2) 2.50 kg / 5.52 lbs
2504.0 g / 24.6 N
2 mm Stal (~0.2) 2.09 kg / 4.60 lbs
2086.0 g / 20.5 N
3 mm Stal (~0.2) 1.72 kg / 3.79 lbs
1718.0 g / 16.9 N
5 mm Stal (~0.2) 1.14 kg / 2.50 lbs
1136.0 g / 11.1 N
10 mm Stal (~0.2) 0.38 kg / 0.84 lbs
382.0 g / 3.7 N
15 mm Stal (~0.2) 0.13 kg / 0.30 lbs
134.0 g / 1.3 N
20 mm Stal (~0.2) 0.05 kg / 0.12 lbs
54.0 g / 0.5 N
30 mm Stal (~0.2) 0.01 kg / 0.03 lbs
12.0 g / 0.1 N
50 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 g / 0.0 N
The table below presents the estimated holding capacity necessary to initiate the slippage of the magnet down on a upright metal surface (assuming typical friction coefficient). This parameter varies with the gap size between the magnet and the metal.

Table 3: Wall mounting (sliding) - vertical pull
MP 25x7x9 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
4.45 kg / 9.80 lbs
4446.0 g / 43.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
2.96 kg / 6.53 lbs
2964.0 g / 29.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
1.48 kg / 3.27 lbs
1482.0 g / 14.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
7.41 kg / 16.34 lbs
7410.0 g / 72.7 N
When mounting a holder on a upright plane (e.g., a fridge), it will only hold only approx. 1/5 of its maximum pull force. Gravitational force and a weak degree of grip cause that magnets slip faster than they pop off the substrate. Planning a vertical fastening? Consider that the shear force is significantly lower than the maximum static pull force. On a painted metal, the magnet will slip down under a significantly smaller load. Using a rubber pad can drastically increase the grip.

Table 4: Material efficiency (saturation) - power losses
MP 25x7x9 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
 0.74 kg / 1.63 lbs
741.0 g / 7.3 N
1 mm
13%
 1.85 kg / 4.08 lbs
1852.5 g / 18.2 N
2 mm
25%
 3.71 kg / 8.17 lbs
3705.0 g / 36.3 N
3 mm
38%
 5.56 kg / 12.25 lbs
5557.5 g / 54.5 N
5 mm
63%
 9.26 kg / 20.42 lbs
9262.5 g / 90.9 N
10 mm
100%
 14.82 kg / 32.67 lbs
14820.0 g / 145.4 N
11 mm
100%
 14.82 kg / 32.67 lbs
14820.0 g / 145.4 N
12 mm
100%
 14.82 kg / 32.67 lbs
14820.0 g / 145.4 N
A too thin steel is unable to conduct the entire magnetic field, which weakens actual performance of the magnet. Should you mount a strong magnet to a weak sheet, the flux will penetrate right through and the holding will be smaller. To squeeze 100% of this neodymium's power, you need a suitably thick backing of steel. The saturation effect means that on sheet metal structures (e.g., thin profiles), the product holds weaker. We suggest choosing the steel thickness according to the table below.

Table 5: Thermal stability (material behavior) - thermal limit
MP 25x7x9 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 14.82 kg / 32.67 lbs
14820.0 g / 145.4 N
 OK
40 °C -2.2% 14.49 kg / 31.95 lbs
14494.0 g / 142.2 N
 OK
60 °C -4.4% 14.17 kg / 31.23 lbs
14167.9 g / 139.0 N
 OK
80 °C -6.6% 13.84 kg / 30.52 lbs
13841.9 g / 135.8 N
100 °C -28.8% 10.55 kg / 23.26 lbs
10551.8 g / 103.5 N
Standard neodymium magnets change their properties strength past the thermal threshold. Watch out for overheating – excessive heat can irreversibly demagnetize this product. With every degree above norm, the magnet's capacity briefly drops. Refrain from using this product in hot environments exceeding its operating temperature limit. Too high temperature will result in permanent loss of magnetism.
*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (pancake types) may lose charge permanently at lower temperatures than taller cylinders. Warning indicator in the table points to a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MP 25x7x9 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 74.73 kg / 164.76 lbs
6 082 Gs
11.21 kg / 24.71 lbs
11210 g / 110.0 N
 N/A
1 mm 68.86 kg / 151.81 lbs
11 091 Gs
10.33 kg / 22.77 lbs
10329 g / 101.3 N
 61.97 kg / 136.63 lbs
~0 Gs
2 mm 63.13 kg / 139.18 lbs
10 620 Gs
9.47 kg / 20.88 lbs
9470 g / 92.9 N
 56.82 kg / 125.26 lbs
~0 Gs
3 mm 57.70 kg / 127.20 lbs
10 153 Gs
8.65 kg / 19.08 lbs
8654 g / 84.9 N
 51.93 kg / 114.48 lbs
~0 Gs
5 mm 47.77 kg / 105.31 lbs
9 238 Gs
7.17 kg / 15.80 lbs
7165 g / 70.3 N
 42.99 kg / 94.78 lbs
~0 Gs
10 mm 28.63 kg / 63.12 lbs
7 152 Gs
4.29 kg / 9.47 lbs
4295 g / 42.1 N
 25.77 kg / 56.81 lbs
~0 Gs
20 mm 9.62 kg / 21.21 lbs
4 145 Gs
1.44 kg / 3.18 lbs
1443 g / 14.2 N
 8.66 kg / 19.09 lbs
~0 Gs
50 mm 0.59 kg / 1.29 lbs
1 024 Gs
0.09 kg / 0.19 lbs
88 g / 0.9 N
 0.53 kg / 1.16 lbs
~0 Gs
60 mm 0.28 kg / 0.62 lbs
712 Gs
0.04 kg / 0.09 lbs
43 g / 0.4 N
 0.26 kg / 0.56 lbs
~0 Gs
70 mm 0.15 kg / 0.33 lbs
514 Gs
0.02 kg / 0.05 lbs
22 g / 0.2 N
 0.13 kg / 0.29 lbs
~0 Gs
80 mm 0.08 kg / 0.18 lbs
383 Gs
0.01 kg / 0.03 lbs
12 g / 0.1 N
 0.07 kg / 0.16 lbs
~0 Gs
90 mm 0.05 kg / 0.11 lbs
293 Gs
0.01 kg / 0.02 lbs
7 g / 0.1 N
 0.04 kg / 0.10 lbs
~0 Gs
100 mm 0.03 kg / 0.07 lbs
230 Gs
0.00 kg / 0.01 lbs
4 g / 0.0 N
 0.03 kg / 0.06 lbs
~0 Gs
Two strong neodymiums attract each other from a wider radius than a neodymium and metal combination. The setup of magnet-to-magnet produces a massive flux and a wider radius of operation. Planning to create a powerful holder? Use a pair of magnets instead of a neodymium and a steel. Exercise caution that when connecting a pair of magnets, the pinch force is huge. The levitation is a bit weaker than the connection force, but still large.
*Field value between like poles reaches ~0 Gs in the exact middle of the gap (resulting from vector opposition).
Note: Calculations refer to sliding force of a pair of same magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - warnings
MP 25x7x9 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 17.0 cm
Hearing aid 10 Gs (1.0 mT) 13.5 cm
Mechanical watch 20 Gs (2.0 mT) 10.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 8.0 cm
Car key 50 Gs (5.0 mT) 7.5 cm
Payment card 400 Gs (40.0 mT) 3.0 cm
HDD hard drive 600 Gs (60.0 mT) 2.5 cm
Powerful magnet radiation poses a serious hazard to electronic devices as well as pacemakers. These NdFeB products generate a flux that disrupts operation of digital equipment. Remember: the invisible magnetic field acts through matter and plastic. Special caution must be taken by people with hearing aids and insulin pumps. Influence will be felt by: automatic timepieces, remotes, membranes, and screens. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Collisions (cracking risk) - warning
MP 25x7x9 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 23.94 km/h
(6.65 m/s)
 0.68 J
30 mm 38.57 km/h
(10.71 m/s)
 1.75 J
50 mm 49.69 km/h
(13.80 m/s)
 2.91 J
100 mm 70.25 km/h
(19.52 m/s)
 5.82 J
NdFeB products are prone to chipping – a strong collision with metal causes immediate chipping. Pay attention to connection velocity – a neodymium left loose speeds with massive force. Kinetic force can trigger coating fragments or painful pinches to fingers. Hold the magnet firmly during bringing near metal so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear safety glasses when handling with powerful specimens.

Table 9: Anti-corrosion coating durability
MP 25x7x9 / 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. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (Flux)
MP 25x7x9 / N38

Parameter Value SI Unit / Description
Magnetic Flux 22 495 Mx 225.0 µWb
Pc Coefficient 1.05 High (Stable)
Total magnetic flux passing through the magnet pole. Essential parameter when building generators and motors. The Pc coefficient determines the working geometry.

Table 11: Hydrostatics and buoyancy
MP 25x7x9 / N38

Environment Effective steel pull Effect
Air (land) 14.82 kg Standard
Water (riverbed) 16.97 kg
(+2.15 kg buoyancy gain)
+14.5%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
Water displaces steel, making heavy objects slightly lighter. Buoyancy helps in lifting finds.
1. Sliding resistance

*Caution: On a vertical wall, the magnet retains just ~20% of its perpendicular strength.

2. Steel saturation

*Thin steel (e.g. 0.5mm PC case) significantly reduces the holding force.

3. Temperature resistance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.05

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
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%
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: 030195-2026
Magnet Unit Converter
Pulling force
Magnetic Field
Put your value in just one field to get results in the other fields at once.

See also deals

BM 380x180x70 [4x M8] - magnetic beam
Product on order Ships in 3-5 days

BM 380x180x70 [4x M8] - magnetic beam

4185.08 ZŁ brutto / pcs
UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread
Product on order Ships in 3-5 days

UMGZ 32x18x8 [M6] GZ / N38 - magnetic holder external thread

17.98 ZŁ brutto / pcs
MW 15x5 / N38 - cylindrical magnet
Product on order Ships in 3-5 days

MW 15x5 / N38 - cylindrical magnet

3.20 ZŁ brutto / pcs
SM 32x125 [2xM8] / N52 - magnetic separator
Product on order Ships in 3-5 days

SM 32x125 [2xM8] / N52 - magnetic separator

578.10 ZŁ brutto / pcs
The ring magnet with a hole MP 25x7x9 / N38 is created for permanent mounting, where glue might fail or be insufficient. Mounting is clean and reversible, unlike gluing. It is also often used in advertising for fixing signs and in workshops for organizing tools.
This is a crucial issue when working with model MP 25x7x9 / N38. Neodymium magnets are sintered ceramics, which means they are hard but breakable and inelastic. When tightening the screw, you must maintain great sensitivity. We recommend tightening manually with a screwdriver, not an impact driver, because too much pressure will cause the ring to crack. It's a good idea to use a flexible washer under the screw head, which will cushion the stresses. Remember: cracking during assembly results from material properties, not a product defect.
Moisture can penetrate micro-cracks in the coating and cause oxidation of the magnet. In the place of the mounting hole, the coating is thinner and easily scratched when tightening the screw, which will become a corrosion focus. This product is dedicated for indoor use. For outdoor applications, we recommend choosing magnets in hermetic housing or additional protection with varnish.
The inner hole diameter determines the maximum size of the mounting element. For magnets with a straight hole, a conical head can act like a wedge and burst the magnet. Aesthetic mounting requires selecting the appropriate head size.
The presented product is a ring magnet with dimensions Ø25 mm (outer diameter) and height 9 mm. The key parameter here is the holding force amounting to approximately 14.82 kg (force ~145.39 N). The product has a [NiCuNi] coating and is made of NdFeB material. Inner hole dimension: 7 mm.
The poles are located on the planes with holes, not on the sides of the ring. In the case of connecting two rings, make sure one is turned the right way. When ordering a larger quantity, magnets are usually packed in stacks, where they are already naturally paired.

Advantages as well as disadvantages of rare earth magnets.

Benefits

Apart from their strong power, neodymium magnets have these key benefits:
  • Their power is maintained, and after around ten years it drops only by ~1% (according to research),
  • They feature excellent resistance to weakening of magnetic properties when exposed to opposing magnetic fields,
  • In other words, due to the reflective surface of gold, the element is aesthetically pleasing,
  • The surface of neodymium magnets generates a strong magnetic field – this is one of their assets,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling functioning at temperatures reaching 230°C and above...
  • Thanks to freedom in forming and the capacity to modify to individual projects,
  • Huge importance in advanced technology sectors – they are commonly used in magnetic memories, brushless drives, diagnostic systems, and other advanced devices.
  • Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Limitations

Disadvantages of neodymium magnets:
  • At very strong impacts they can crack, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
  • Magnets exposed to a humid environment can rust. Therefore during using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • Due to limitations in producing threads and complicated shapes in magnets, we propose using cover - magnetic mount.
  • Possible danger to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child safety. Furthermore, tiny parts of these products are able to disrupt the diagnostic process medical after entering the body.
  • Due to neodymium price, their price is higher than average,

Holding force characteristics

Highest magnetic holding force – what contributes to it?

The load parameter shown represents the peak performance, obtained under laboratory conditions, specifically:
  • using a sheet made of mild steel, serving as a magnetic yoke
  • with a cross-section of at least 10 mm
  • characterized by lack of roughness
  • with zero gap (without coatings)
  • for force acting at a right angle (in the magnet axis)
  • at standard ambient temperature

Lifting capacity in practice – influencing factors

In real-world applications, the actual lifting capacity results from many variables, presented from the most important:
  • Distance (between the magnet and the plate), as even a very small clearance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
  • Loading method – catalog parameter refers to pulling vertically. When slipping, the magnet holds significantly lower power (often approx. 20-30% of nominal force).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Material composition – different alloys reacts the same. High carbon content worsen the attraction effect.
  • Surface condition – ground elements guarantee perfect abutment, which improves field saturation. Uneven metal reduce efficiency.
  • Temperature influence – high temperature weakens magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Lifting capacity was determined with the use of a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, in contrast under attempts to slide the magnet the load capacity is reduced by as much as 5 times. In addition, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.

Safe handling of neodymium magnets
Safe distance

Data protection: Neodymium magnets can damage data carriers and sensitive devices (heart implants, hearing aids, timepieces).

Immense force

Use magnets consciously. Their immense force can surprise even professionals. Stay alert and respect their force.

Power loss in heat

Regular neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. Damage is permanent.

ICD Warning

People with a pacemaker should keep an large gap from magnets. The magnetism can stop the operation of the life-saving device.

Magnetic interference

Remember: neodymium magnets generate a field that disrupts precision electronics. Maintain a safe distance from your phone, device, and GPS.

Bodily injuries

Large magnets can crush fingers instantly. Do not put your hand between two attracting surfaces.

Eye protection

Protect your eyes. Magnets can fracture upon uncontrolled impact, launching sharp fragments into the air. Eye protection is mandatory.

Choking Hazard

Neodymium magnets are not intended for children. Accidental ingestion of multiple magnets can lead to them pinching intestinal walls, which poses a critical condition and necessitates immediate surgery.

Allergic reactions

Some people suffer from a contact allergy to nickel, which is the standard coating for neodymium magnets. Extended handling might lead to a rash. We strongly advise use safety gloves.

Dust explosion hazard

Drilling and cutting of NdFeB material carries a risk of fire risk. Neodymium dust reacts violently with oxygen and is hard to extinguish.

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