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MW 10x8 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010013

GTIN/EAN: 5906301810124

5.00
Load capacity 3.38 kg / 33.16 N Magnetic Induction 525.10 mT / 5251 Gs
Diameter Ø
10 mm [±0,1 mm]
Height
8 mm [±0,1 mm]
Weight
4.71 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
see parameters »

2.18 zł with VAT / pcs + price for transport

1.770 zł net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety

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.

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Technical details - MW 10x8 / N38 - cylindrical magnet

Specification / characteristics - MW 10x8 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010013
GTIN/EAN 5906301810124
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 10 mm [±0,1 mm]
Height 8 mm [±0,1 mm]
Weight 4.71 g
Magnetization Direction ↑ axial
Load capacity ~ ? 3.38 kg / 33.16 N
Magnetic Induction ~ ? 525.10 mT / 5251 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x8 / 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

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 simulation of the magnet - report

Presented information constitute the outcome of a physical calculation. Results are based on algorithms for the class Nd2Fe14B. Operational performance might slightly differ. Please consider these data as a supplementary guide for designers.

Table 1: Static force (pull vs gap) - power drop
MW 10x8 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5247 Gs
524.7 mT
 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
 medium risk
1 mm 4204 Gs
420.4 mT
 2.17 kg / 4.78 LBS
2169.6 g / 21.3 N
 medium risk
2 mm 3243 Gs
324.3 mT
 1.29 kg / 2.85 LBS
1291.0 g / 12.7 N
 weak grip
3 mm 2454 Gs
245.4 mT
 0.74 kg / 1.63 LBS
739.6 g / 7.3 N
 weak grip
5 mm 1403 Gs
140.3 mT
 0.24 kg / 0.53 LBS
241.5 g / 2.4 N
 weak grip
10 mm 428 Gs
42.8 mT
 0.02 kg / 0.05 LBS
22.5 g / 0.2 N
 weak grip
15 mm 177 Gs
17.7 mT
 0.00 kg / 0.01 LBS
3.8 g / 0.0 N
 weak grip
20 mm 89 Gs
8.9 mT
 0.00 kg / 0.00 LBS
1.0 g / 0.0 N
 weak grip
30 mm 31 Gs
3.1 mT
 0.00 kg / 0.00 LBS
0.1 g / 0.0 N
 weak grip
50 mm 8 Gs
0.8 mT
 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
 weak grip
Grip strength decreases significantly per each millimeter of gap. Remember that even a microscopic distance (e.g., dirt, varnish, veneer) significantly diminishes the holding power. Magnetic products work strongest at the point of direct contact; gap kills the power. Analyze how flashily the parameters fall, when the product does not adhere tightly to the steel surface. When planning the mounting, avoid redundant distances.

Table 2: Shear force (wall)
MW 10x8 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.68 kg / 1.49 LBS
676.0 g / 6.6 N
1 mm Stal (~0.2) 0.43 kg / 0.96 LBS
434.0 g / 4.3 N
2 mm Stal (~0.2) 0.26 kg / 0.57 LBS
258.0 g / 2.5 N
3 mm Stal (~0.2) 0.15 kg / 0.33 LBS
148.0 g / 1.5 N
5 mm Stal (~0.2) 0.05 kg / 0.11 LBS
48.0 g / 0.5 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 presents the theoretical shear load needed to cause the sliding of the magnet vertically along a vertical steel wall (considering typical friction). This value varies with the air gap between the magnet and the metal.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MW 10x8 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
1.01 kg / 2.24 LBS
1014.0 g / 9.9 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.68 kg / 1.49 LBS
676.0 g / 6.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.34 kg / 0.75 LBS
338.0 g / 3.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.69 kg / 3.73 LBS
1690.0 g / 16.6 N
When hanging a holder on a vertical surface (e.g., a fridge), it will only hold only about 1/5 of its maximum pull force. Gravity as well as a low friction coefficient influence the fact that holders move down easier than they pop off the substrate. Want to create a hanger? Remember that the shear force is much weaker than the perpendicular breakaway force. On a smooth steel, the holder will give way down under a significantly smaller cargo. Application of an anti-slip pad can effectively raise the stability.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MW 10x8 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.34 kg / 0.75 LBS
338.0 g / 3.3 N
1 mm
25%
 0.85 kg / 1.86 LBS
845.0 g / 8.3 N
2 mm
50%
 1.69 kg / 3.73 LBS
1690.0 g / 16.6 N
3 mm
75%
 2.54 kg / 5.59 LBS
2535.0 g / 24.9 N
5 mm
100%
 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
10 mm
100%
 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
11 mm
100%
 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
12 mm
100%
 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
A thin metal plate is incapable of take in the entire magnetic field, which squanders power of the holder. If you install a neodymium to a thin surface, the field will pass right through and the holding will be smaller. To achieve full efficiency of this magnet's potential, you require a sufficiently solid element of steel. The material oversaturation means that on thin elements (e.g., car bodies), the magnet works worse. We suggest choosing the steel thickness according to the table below.

Table 5: Working in heat (stability) - resistance threshold
MW 10x8 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 3.38 kg / 7.45 LBS
3380.0 g / 33.2 N
 OK
40 °C -2.2% 3.31 kg / 7.29 LBS
3305.6 g / 32.4 N
 OK
60 °C -4.4% 3.23 kg / 7.12 LBS
3231.3 g / 31.7 N
 OK
80 °C -6.6% 3.16 kg / 6.96 LBS
3156.9 g / 31.0 N
100 °C -28.8% 2.41 kg / 5.31 LBS
2406.6 g / 23.6 N
Classic neodymiums lose strength after exceeding the maximum temperature. Protect against heat – excessive heat can irreversibly destroy this magnet. With every degree above norm, the magnet's power briefly decreases. Refrain from using this magnet close to heaters exceeding its working range. Exceeding the critical threshold will cause destruction of magnetic properties.
*Technical advisory: Temperature resistance depends not only on the material grade, as well as the dimension ratios. Low-profile magnets (pancake types) are more susceptible to demagnetization at lower temperatures compared to rod magnets. The danger warning in the table points to a risk of irreversible loss for this particular item.

Table 6: Two magnets (attraction) - field range
MW 10x8 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 13.33 kg / 29.39 LBS
5 906 Gs
2.00 kg / 4.41 LBS
2000 g / 19.6 N
 N/A
1 mm 10.82 kg / 23.85 LBS
9 454 Gs
1.62 kg / 3.58 LBS
1623 g / 15.9 N
 9.74 kg / 21.47 LBS
~0 Gs
2 mm 8.56 kg / 18.86 LBS
8 408 Gs
1.28 kg / 2.83 LBS
1284 g / 12.6 N
 7.70 kg / 16.98 LBS
~0 Gs
3 mm 6.65 kg / 14.65 LBS
7 410 Gs
1.00 kg / 2.20 LBS
997 g / 9.8 N
 5.98 kg / 13.19 LBS
~0 Gs
5 mm 3.86 kg / 8.52 LBS
5 650 Gs
0.58 kg / 1.28 LBS
580 g / 5.7 N
 3.48 kg / 7.67 LBS
~0 Gs
10 mm 0.95 kg / 2.10 LBS
2 805 Gs
0.14 kg / 0.32 LBS
143 g / 1.4 N
 0.86 kg / 1.89 LBS
~0 Gs
20 mm 0.09 kg / 0.20 LBS
857 Gs
0.01 kg / 0.03 LBS
13 g / 0.1 N
 0.08 kg / 0.18 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
101 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
63 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
42 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
29 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
21 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
16 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnetic products attract each other from a significantly greater distance than a magnet and sheet setup. The setup of magnet-to-magnet creates a more powerful interaction and a further horizon of action. Designing a strong closure? Use a pair of magnets instead of one magnet and a steel. Be careful that when bringing together two magnets, the collision energy is massive. The repulsion force is a bit weaker than the connection force, but still significant.
*Flux density between like poles is approximately ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
* Calculations demonstrate shear force of two identical magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Safety (HSE) (electronics) - precautionary measures
MW 10x8 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 6.0 cm
Hearing aid 10 Gs (1.0 mT) 5.0 cm
Mechanical watch 20 Gs (2.0 mT) 4.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.0 cm
Car key 50 Gs (5.0 mT) 3.0 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
A strong magnetic field is a large risk to IT equipment and pacemakers. These neodymiums produce a flux that prevents correct functioning of digital equipment. Remember: the unseen radiation acts through matter and housings. Special caution must be exercised by people with hearing aids and insulin pumps. The risk also applies to: automatic timepieces, car keys, speakers, and screens. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (cracking risk) - collision effects
MW 10x8 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 19.12 km/h
(5.31 m/s)
 0.07 J
30 mm 19.21 km/h
(5.34 m/s)
 0.07 J
50 mm 19.21 km/h
(5.34 m/s)
 0.07 J
100 mm 19.21 km/h
(5.34 m/s)
 0.07 J
NdFeB products are very brittle – a violent impact against metal causes immediate chipping. Watch the impact speed – a neodymium left loose becomes dangerous. Striking energy can destroy the magnet or injury to fingers. Hold the magnet firmly during bringing near metal so it doesn't slam with momentum against the steel surface. A collision at high speed almost guarantees destruction of the magnet. Use safety goggles when handling with powerful specimens.

Table 9: Surface protection spec
MW 10x8 / 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. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MW 10x8 / N38

Parameter Value SI Unit / Description
Magnetic Flux 4 183 Mx 41.8 µWb
Pc Coefficient 0.79 High (Stable)
Total magnetic flux passing through the magnet pole. Essential parameter for generator designers as well as sensors. Pc value determines the working geometry.

Table 11: Hydrostatics and buoyancy
MW 10x8 / N38

Environment Effective steel pull Effect
Air (land) 3.38 kg Standard
Water (riverbed) 3.87 kg
(+0.49 kg buoyancy gain)
+14.5%
Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Vertical hold

*Note: On a vertical surface, the magnet holds only a fraction of its perpendicular strength.

2. Efficiency vs thickness

*Thin steel (e.g. computer case) drastically reduces the holding force.

3. Thermal stability

*For N38 grade, the max working temp is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.79

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: 010013-2026
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The offered product is an exceptionally strong rod magnet, composed of modern NdFeB material, which, with dimensions of Ø10x8 mm, guarantees optimal power. This specific item is characterized by an accuracy of ±0.1mm and industrial build quality, making it an excellent solution for professional engineers and designers. As a magnetic rod with significant force (approx. 3.38 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring lightning-fast order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.
It successfully proves itself in DIY projects, advanced automation, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 33.16 N with a weight of only 4.71 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.
Since our magnets have a tolerance of ±0.1mm, the recommended way is to glue them into holes with a slightly larger diameter (e.g., 10.1 mm) using two-component epoxy glues. To ensure long-term durability in industry, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.
Magnets NdFeB grade N38 are suitable for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø10x8), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.
This model is characterized by dimensions Ø10x8 mm, which, at a weight of 4.71 g, makes it an element with high magnetic energy density. The value of 33.16 N means that the magnet is capable of holding a weight many times exceeding its own mass of 4.71 g. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.
This cylinder is magnetized axially (along the height of 8 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 diametrically if your project requires it.

Strengths and weaknesses of rare earth magnets.

Advantages

Besides their tremendous magnetic power, neodymium magnets offer the following advantages:
  • They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (based on calculations),
  • Neodymium magnets are characterized by extremely resistant to demagnetization caused by external field sources,
  • Thanks to the glossy finish, the surface of Ni-Cu-Ni, gold, or silver-plated gives an clean appearance,
  • Neodymium magnets achieve maximum magnetic induction on a contact point, which ensures high operational effectiveness,
  • 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...
  • Considering the ability of precise molding and customization to specialized requirements, magnetic components can be manufactured in a wide range of geometric configurations, which makes them more universal,
  • Versatile presence in electronics industry – they are used in data components, brushless drives, advanced medical instruments, also complex engineering applications.
  • Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which makes them useful in small systems

Weaknesses

Disadvantages of neodymium magnets:
  • They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also increases its resistance to damage
  • 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
  • Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
  • Due to limitations in producing nuts and complex forms in magnets, we recommend using casing - magnetic holder.
  • Potential hazard related to microscopic parts of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. Furthermore, small components of these magnets can complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Optimal lifting capacity of a neodymium magnet – what it depends on?

The load parameter shown represents the peak performance, recorded under optimal environment, namely:
  • using a base made of low-carbon steel, functioning as a ideal flux conductor
  • with a thickness minimum 10 mm
  • with a plane free of scratches
  • without any air gap between the magnet and steel
  • during pulling in a direction perpendicular to the plane
  • in temp. approx. 20°C

Determinants of lifting force in real conditions

Holding efficiency impacted by working environment parameters, including (from priority):
  • Distance (betwixt the magnet and the metal), since even a microscopic distance (e.g. 0.5 mm) leads to a decrease in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
  • Force direction – remember that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the maximum value.
  • Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Steel type – low-carbon steel gives the best results. Higher carbon content lower magnetic permeability and lifting capacity.
  • Surface finish – full contact is obtained only on polished steel. Rough texture create air cushions, reducing force.
  • Temperature influence – high temperature weakens magnetic field. Too high temperature can permanently demagnetize the magnet.

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

Safety rules for work with NdFeB magnets
Sensitization to coating

A percentage of the population have a hypersensitivity to Ni, which is the common plating for NdFeB magnets. Prolonged contact might lead to an allergic reaction. We strongly advise use protective gloves.

Eye protection

Despite metallic appearance, the material is brittle and not impact-resistant. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Choking Hazard

Product intended for adults. Tiny parts can be swallowed, causing intestinal necrosis. Store out of reach of children and animals.

Demagnetization risk

Control the heat. Heating the magnet above 80 degrees Celsius will destroy its magnetic structure and pulling force.

Danger to pacemakers

Life threat: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have electronic implants.

Do not underestimate power

Be careful. Neodymium magnets attract from a long distance and snap with huge force, often faster than you can move away.

GPS Danger

GPS units and smartphones are extremely susceptible to magnetism. Direct contact with a strong magnet can ruin the sensors in your phone.

Pinching danger

Protect your hands. Two powerful magnets will snap together instantly with a force of massive weight, crushing anything in their path. Exercise extreme caution!

Electronic devices

Avoid bringing magnets near a wallet, laptop, or screen. The magnetism can permanently damage these devices and wipe information from cards.

Dust is flammable

Fire hazard: Rare earth powder is explosive. Avoid machining magnets without safety gear as this risks ignition.

Attention! Want to know more? Check our post: Are neodymium magnets dangerous?