← previous
next →
Product available Ships today (order by 14:00) CO2 GPSR PPWR REACH

MP 10x6x4 / N38 - ring magnet

ring magnet

Catalog no 030179

GTIN/EAN: 5906301811961

5.00
Load capacity 1.79 kg / 17.55 N Magnetic Induction 386.91 mT / 3869 Gs
Diameter
10 mm [±0,1 mm]
internal diameter Ø
6 mm [±0,1 mm]
Height
4 mm [±0,1 mm]
Weight
1.51 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

see specifications »

0.730 zł net / pcs

0.898 zł with VAT (23% VAT) / pcs

price for transport

bulk discounts:

Need more?
Quantity
Net
Gross
price from 1 pcs
0.730 zł
0.898 zł
price from 900 pcs
0.686 zł
0.844 zł
price from 3500 pcs
0.642 zł
0.790 zł

Frequently asked questions

What is the hole in a ring magnet for?
For mounting on a screw or a shaft. The bore may be cylindrical or countersunk for a screw head. The hole removes magnet volume, so a ring holds less than a disc of the same outside diameter.
What is the polarisation?
Axial as standard — poles on the flat faces of the ring. Diametrical polarisation is made to order.
What sizes are available?
Outside diameter from 5 to 62 mm from stock. To order up to 200 mm outside diameter, 180 mm bore and 40 mm height, with a lead time of 25–35 days.

Guides from the knowledge base

Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

PDF report Calculator
Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

Order by 14:00 and we’ll ship today!

Detailed specification - MP 10x6x4 / N38 - ring magnet

Specification / characteristics - MP 10x6x4 / N38 - ring magnet

properties
properties values
Cat. no. 030179
GTIN/EAN 5906301811961
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 10 mm [±0,1 mm]
internal diameter Ø 6 mm [±0,1 mm]
Height 4 mm [±0,1 mm]
Weight 1.51 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.79 kg / 17.55 N
Magnetic Induction ~ ? 386.91 mT / 3869 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MP 10x6x4 / N38 - ring magnet
properties values units
Remanence Br ? 12.2-12.6 kGs
Remanence Br ? 1220-1260 mT
Coercivity bHc ? 10.8-11.5 kOe
Coercivity bHc ? 860-915 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 36-38 BH max MGOe
Energy product BHmax ? 287-303 BH max KJ/m
Maximum working 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 310 °C
Curie Temperature TF 590 °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 analysis of the magnet - data

Presented values constitute the direct effect of a mathematical calculation. Values rely on models for the class Nd2Fe14B. Actual performance might slightly deviate from the simulation results. Use these data as a supplementary guide during assembly planning.

Table 1: Static force (force vs gap) - characteristics
MP 10x6x4 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 6115 Gs
611.5 mT
 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
 safe
1 mm 4915 Gs
491.5 mT
 1.16 kg / 2.55 lbs
1156.7 g / 11.3 N
 safe
2 mm 3833 Gs
383.3 mT
 0.70 kg / 1.55 lbs
703.2 g / 6.9 N
 safe
3 mm 2949 Gs
294.9 mT
 0.42 kg / 0.92 lbs
416.3 g / 4.1 N
 safe
5 mm 1761 Gs
176.1 mT
 0.15 kg / 0.33 lbs
148.5 g / 1.5 N
 safe
10 mm 612 Gs
61.2 mT
 0.02 kg / 0.04 lbs
17.9 g / 0.2 N
 safe
15 mm 284 Gs
28.4 mT
 0.00 kg / 0.01 lbs
3.9 g / 0.0 N
 safe
20 mm 157 Gs
15.7 mT
 0.00 kg / 0.00 lbs
1.2 g / 0.0 N
 safe
30 mm 64 Gs
6.4 mT
 0.00 kg / 0.00 lbs
0.2 g / 0.0 N
 safe
50 mm 19 Gs
1.9 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
Grip strength weakens sharply per each millimeter of spacing. Keep in mind that even a very thin break (e.g., dirt, varnish, veneer) noticeably weakens the grip. Neodymiums hold optimally at the point of direct contact; air break drastically cuts the force. Observe how flashily the pull force drop, when the product does not touch directly to the metal substrate. When calculating the mounting, avoid additional spacers.

Table 2: Sliding force (vertical surface)
MP 10x6x4 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.36 kg / 0.79 lbs
358.0 g / 3.5 N
1 mm Stal (~0.2) 0.23 kg / 0.51 lbs
232.0 g / 2.3 N
2 mm Stal (~0.2) 0.14 kg / 0.31 lbs
140.0 g / 1.4 N
3 mm Stal (~0.2) 0.08 kg / 0.19 lbs
84.0 g / 0.8 N
5 mm Stal (~0.2) 0.03 kg / 0.07 lbs
30.0 g / 0.3 N
10 mm Stal (~0.2) 0.00 kg / 0.01 lbs
4.0 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 calculates the approximate weight limit sufficient to cause the downward movement of the magnet down against a upright steel wall (assuming standard friction). This value is a function of the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - vertical pull
MP 10x6x4 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.54 kg / 1.18 lbs
537.0 g / 5.3 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.36 kg / 0.79 lbs
358.0 g / 3.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.18 kg / 0.39 lbs
179.0 g / 1.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.90 kg / 1.97 lbs
895.0 g / 8.8 N
When placing a magnet on a upright plane (e.g., a fridge), it will maintain just about 1/5 of its nominal power. Gravity and a weak degree of grip influence the fact that holders move down faster than they detach. Designing a hanger? Note that the sliding force is noticeably lower than the perpendicular breakaway force. On a smooth steel, the element will slip down under a significantly smaller cargo. Using a rubber layer can significantly improve the result.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MP 10x6x4 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.18 kg / 0.39 lbs
179.0 g / 1.8 N
1 mm
25%
 0.45 kg / 0.99 lbs
447.5 g / 4.4 N
2 mm
50%
 0.90 kg / 1.97 lbs
895.0 g / 8.8 N
3 mm
75%
 1.34 kg / 2.96 lbs
1342.5 g / 13.2 N
5 mm
100%
 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
10 mm
100%
 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
11 mm
100%
 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
12 mm
100%
 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
A too thin steel is incapable of take in the full magnetic flux, which wastes potential of the magnet. If you install a neodymium to a weak sheet, the flux will pass right through and the attraction force will be weaker. To squeeze 100% of this neodymium's power, you require a sufficiently solid element of metal. The saturation effect means that on thin elements (e.g., appliance housings), the product works worse. We recommend selecting the steel thickness based on the following data.

Table 5: Thermal stability (stability) - power drop
MP 10x6x4 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.79 kg / 3.95 lbs
1790.0 g / 17.6 N
 OK
40 °C -2.2% 1.75 kg / 3.86 lbs
1750.6 g / 17.2 N
 OK
60 °C -4.4% 1.71 kg / 3.77 lbs
1711.2 g / 16.8 N
 OK
80 °C -6.6% 1.67 kg / 3.69 lbs
1671.9 g / 16.4 N
100 °C -28.8% 1.27 kg / 2.81 lbs
1274.5 g / 12.5 N
Classic neodymiums change their properties power after exceeding the maximum temperature. Watch out for overheating – excessive heat can permanently demagnetize this product. With increasing heat, the neodymium's capacity briefly lowers. Avoid using this product near heat sources higher than its safe range. Too high temperature will cause permanent loss of magnetic properties.
*Technical advisory: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Flat magnets (low permeance coefficient) may lose charge permanently under lower heat stress than long magnets. Warning indicator in the table points to permanent field degradation for this specific geometry.

Table 6: Two magnets (repulsion) - forces in the system
MP 10x6x4 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 12.93 kg / 28.50 lbs
6 169 Gs
1.94 kg / 4.27 lbs
1939 g / 19.0 N
 N/A
1 mm 10.50 kg / 23.16 lbs
11 025 Gs
1.58 kg / 3.47 lbs
1576 g / 15.5 N
 9.45 kg / 20.84 lbs
~0 Gs
2 mm 8.35 kg / 18.41 lbs
9 831 Gs
1.25 kg / 2.76 lbs
1253 g / 12.3 N
 7.52 kg / 16.57 lbs
~0 Gs
3 mm 6.55 kg / 14.43 lbs
8 703 Gs
0.98 kg / 2.17 lbs
982 g / 9.6 N
 5.89 kg / 12.99 lbs
~0 Gs
5 mm 3.91 kg / 8.63 lbs
6 729 Gs
0.59 kg / 1.29 lbs
587 g / 5.8 N
 3.52 kg / 7.76 lbs
~0 Gs
10 mm 1.07 kg / 2.36 lbs
3 522 Gs
0.16 kg / 0.35 lbs
161 g / 1.6 N
 0.96 kg / 2.13 lbs
~0 Gs
20 mm 0.13 kg / 0.29 lbs
1 223 Gs
0.02 kg / 0.04 lbs
19 g / 0.2 N
 0.12 kg / 0.26 lbs
~0 Gs
50 mm 0.00 kg / 0.01 lbs
194 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
129 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
91 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
66 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
50 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
39 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two strong neodymiums attract each other from a much further distance than a magnet and steel combination. The connection of magnet-to-magnet produces a massive flux and a larger range of performance. 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 pinch force is massive. The levitation is slightly lower than the attraction, but still significant.
*The magnetic induction in repulsion mode reaches ~0 Gs at the geometric center of the gap (due to field cancellation).
* Results demonstrate sliding force of two same magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (electronics) - precautionary measures
MP 10x6x4 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 9.0 cm
Hearing aid 10 Gs (1.0 mT) 7.0 cm
Mechanical watch 20 Gs (2.0 mT) 5.0 cm
Mobile device 40 Gs (4.0 mT) 4.0 cm
Remote 50 Gs (5.0 mT) 3.5 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.5 cm
Powerful magnet radiation poses a real danger to electronic devices and medical implants. These magnets generate a flux that destroys function of sensitive medical devices. Notice: the unseen radiation acts through matter and housings. Increased vigilance must be taken by people with cochlear implants and insulin pumps. Also at risk are: mechanical watches, car keys, speakers, and screens. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (cracking risk) - collision effects
MP 10x6x4 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 25.07 km/h
(6.96 m/s)
 0.04 J
30 mm 25.28 km/h
(7.02 m/s)
 0.04 J
50 mm 25.28 km/h
(7.02 m/s)
 0.04 J
100 mm 25.28 km/h
(7.02 m/s)
 0.04 J
NdFeB products are delicate – a violent impact against metal causes immediate chipping. Control the attraction moment – a magnet released freely becomes dangerous. Impact energy can trigger coating fragments or dangerous crushing to skin. Hold the magnet firmly during bringing near metal so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the magnet. Wear safety glasses when playing with large magnets.

Table 9: Corrosion resistance
MP 10x6x4 / 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: Construction data (Pc)
MP 10x6x4 / N38

Parameter Value SI Unit / Description
Magnetic Flux 4 017 Mx 40.2 µWb
Pc Coefficient 1.44 High (Stable)
Total magnetic flux emitted by the magnet pole. Essential parameter in coil applications as well as sensors. The Pc coefficient determines the working geometry.

Table 11: Hydrostatics and buoyancy
MP 10x6x4 / N38

Environment Effective steel pull Effect
Air (land) 1.79 kg Standard
Water (riverbed) 2.05 kg
(+0.26 kg buoyancy gain)
+14.5%
Warning: 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. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Wall mount (shear)

*Warning: On a vertical wall, the magnet holds only a fraction of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) drastically limits the holding force.

3. Heat tolerance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.44

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Engineering data and GPSR

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: 030179-2026
Quick Unit Converter

Magnet pull force

Field Strength

Type a value into a field, and the remaining fields will update on the fly.

Other offers

KM HF - 22 kg - magnetic bracket
Product available Ships today (order by 14:00)

KM HF - 22 kg - magnetic bracket

29.52 zł brutto / pcs
AM ucho małe [M8] - magnetic accessories
Product available Ships today (order by 14:00)

AM ucho małe [M8] - magnetic accessories

4.92 zł brutto / pcs
MW 12x8 / N38 - cylindrical magnet
Product available Ships today (order by 14:00)

MW 12x8 / N38 - cylindrical magnet

2.47 zł brutto / pcs
MPL 25x25x10 / N38 - lamellar magnet
Product available Ships today (order by 14:00)

MPL 25x25x10 / N38 - lamellar magnet

20.29 zł brutto / pcs
The ring magnet with a hole MP 10x6x4 / N38 is created for permanent mounting, where glue might fail or be insufficient. Thanks to the hole (often for a screw), this model enables easy screwing to wood, wall, plastic, or metal. It is also often used in advertising for fixing signs and in workshops for organizing tools.
This material behaves more like porcelain than steel, so it doesn't forgive mistakes during mounting. One turn too many can destroy the magnet, so do it slowly. 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. If you must use it outside, paint it with anti-corrosion paint after mounting.
A screw or bolt with a thread diameter smaller than 6 mm fits this model. If the magnet does not have a chamfer (cone), we recommend using a screw with a flat or cylindrical head, or possibly using a washer. Aesthetic mounting requires selecting the appropriate head size.
The presented product is a ring magnet with dimensions Ø10 mm (outer diameter) and height 4 mm. The pulling force of this model is an impressive 1.79 kg, which translates to 17.55 N in newtons. The mounting hole diameter is precisely 6 mm.
These magnets are magnetized axially (through the thickness), which means one flat side is the N pole and the other is S. 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.

Pros as well as cons of neodymium magnets.

Strengths

Apart from their consistent holding force, neodymium magnets have these key benefits:
  • They virtually do not lose power, because even after 10 years the performance loss is only ~1% (in laboratory conditions),
  • They maintain their magnetic properties even under external field action,
  • In other words, due to the aesthetic finish of silver, the element is aesthetically pleasing,
  • The surface of neodymium magnets generates a powerful magnetic field – this is a distinguishing feature,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for functioning at temperatures reaching 230°C and above...
  • Thanks to modularity in constructing and the capacity to modify to complex applications,
  • Fundamental importance in modern technologies – they find application in hard drives, electromotive mechanisms, precision medical tools, also technologically advanced constructions.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in miniature devices

Disadvantages

Drawbacks and weaknesses of neodymium magnets and ways of using them
  • At very strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's 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 and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • Magnets exposed to a humid environment can rust. Therefore while using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • We suggest casing - magnetic mount, due to difficulties in creating nuts inside the magnet and complicated forms.
  • Health risk to health – tiny shards of magnets are risky, when accidentally swallowed, which becomes key in the context of child safety. Additionally, small elements of these devices are able to be problematic in diagnostics medical after entering the body.
  • High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities

Lifting parameters

Maximum lifting capacity of the magnet – what contributes to it?

Breakaway force was defined for ideal contact conditions, including:
  • using a base made of high-permeability steel, acting as a circuit closing element
  • whose transverse dimension equals approx. 10 mm
  • with a surface free of scratches
  • with total lack of distance (without paint)
  • for force applied at a right angle (pull-off, not shear)
  • in stable room temperature

Practical lifting capacity: influencing factors

Bear in mind that the working load may be lower influenced by the following factors, in order of importance:
  • Clearance – existence of any layer (rust, dirt, air) interrupts the magnetic circuit, which reduces capacity steeply (even by 50% at 0.5 mm).
  • Loading method – catalog parameter refers to pulling vertically. When slipping, the magnet holds significantly lower power (often approx. 20-30% of maximum force).
  • Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Steel grade – ideal substrate is high-permeability steel. Stainless steels may attract less.
  • Surface finish – ideal contact is possible only on polished steel. Rough texture create air cushions, reducing force.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).

Holding force was measured on a smooth steel plate 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’s surface and the plate reduces the lifting capacity.

Precautions when working with NdFeB magnets
Protect data

Intense magnetic fields can erase data on credit cards, hard drives, and storage devices. Stay away of min. 10 cm.

GPS and phone interference

GPS units and mobile phones are highly sensitive to magnetic fields. Close proximity with a powerful NdFeB magnet can decalibrate the sensors in your phone.

Do not underestimate power

Before starting, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Be predictive.

Fire warning

Powder produced during grinding of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.

Crushing force

Big blocks can smash fingers in a fraction of a second. Under no circumstances place your hand betwixt two attracting surfaces.

Adults only

Always keep magnets away from children. Risk of swallowing is significant, and the consequences of magnets clamping inside the body are fatal.

Warning for heart patients

Life threat: Neodymium magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.

Allergic reactions

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

Eye protection

Protect your eyes. Magnets can explode upon uncontrolled impact, ejecting shards into the air. We recommend safety glasses.

Thermal limits

Keep cool. NdFeB magnets are susceptible to temperature. If you need resistance above 80°C, ask us about special high-temperature series (H, SH, UH).

Caution! Looking for details? Check our post: Are neodymium magnets dangerous?