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neodymium magnets

We provide yellow color magnets Nd2Fe14B - our store's offer. Practically all "neodymium magnets" on our website are available for immediate delivery (see the list). See the magnet price list for more details see the magnet price list

Magnet for water searching F400 GOLD

Where to purchase strong neodymium magnet? Magnetic holders in airtight and durable steel casing are excellent for use in variable and difficult weather, including in the rain and snow check

magnetic holders

Magnetic holders can be applied to facilitate production processes, underwater exploration, or finding meteors made of metal more...

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UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread

magnetic holder internal thread

Catalog no 180419

GTIN: 5906301813781

5.00

Diameter Ø

60 mm [±1 mm]

Height

30 mm [±1 mm]

Height

15 mm [±1 mm]

Weight

260 g

Load capacity

112.00 kg / 1098.34 N

102.96 with VAT / pcs + price for transport

83.71 ZŁ net + 23% VAT / pcs

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UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread

Specification / characteristics UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread

properties
properties values
Cat. no. 180419
GTIN 5906301813781
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 60 mm [±1 mm]
Height 30 mm [±1 mm]
Height 15 mm [±1 mm]
Weight 260 g
Load capacity ~ ? 112.00 kg / 1098.34 N
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UMGW 60x30x15 [M10] GW / N38 - magnetic holder internal thread
properties values units
remenance Br [Min. - Max.] ? 12.2-12.6 kGs
remenance Br [Min. - Max.] ? 1220-1260 T
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 106 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²
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Magnet Pull Force

Magnetic Induction
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Rozruszniki Serca

Osoby z rozrusznikiem muszą zachować dystans min. 10 cm.

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Ryzyko połknięcia. Połknięcie dwóch magnesów grozi śmiercią.

Kruchy materiał

Magnes to ceramika! Uderzenie o inny magnes spowoduje odpryski.

Do czego użyć tego magnesu?

Sprawdzone zastosowania dla wymiaru 15x10x2 mm

Elektronika i Czujniki

Idealny jako element wyzwalający dla czujników Halla oraz kontaktronów w systemach alarmowych. Płaski kształt (2mm) pozwala na ukrycie go w wąskich szczelinach obudowy.

Modelarstwo i Druk 3D

Stosowany do tworzenia niewidocznych zamknięć w modelach drukowanych 3D. Można go wprasować w wydruk lub wkleić w kieszeń zaprojektowaną w modelu CAD.

Meble i Fronty

Używany jako "domykacz" lekkich drzwiczek szafkowych, gdzie standardowe magnesy meblowe są za grube. Wymaga wklejenia w płytkie podfrezowanie.

Other proposals

A magnetic holder (magnet in a steel cup) is much stronger on one side than a bare magnet of the same dimensions. Moreover, the metal housing protects the brittle neodymium magnet from cracking upon impact. The threaded hole allows creating a functional mounting point in seconds.
The most important rule is choosing the appropriate length of the screw being screwed in. We recommend checking thread depth before assembly and shortening the screw if necessary. You can use a spacer washer or lock nut to limit screwing depth.
These holders are commonly used in industry, advertising, and construction for quick mounting. They allow mounting without drilling in steel substrate, which is crucial in rented spaces. In the workshop, they can serve as mounting points for tools or measuring instruments.
Nominal capacity (for this model approx. 112.00 kg) is measured in ideal conditions: perpendicular detachment from thick steel (min. 10mm). With thin sheets (e.g., car body, fridge casing), the force will be much smaller because steel cannot absorb the entire magnetic field. We always recommend choosing a magnet with power reserve, especially if the surface is not ideal.
Standard coating effectively protects against moisture in indoor conditions. However, these are not fully stainless products and may corrode with constant contact with water. The whole is well protected for standard workshop and industrial applications.

Advantages and disadvantages of rare earth magnets.

Besides their remarkable field intensity, neodymium magnets offer the following advantages:

  • Their strength is durable, and after around ten years it decreases only by ~1% (theoretically),
  • They do not lose their magnetic properties even under external field action,
  • A magnet with a metallic nickel surface has better aesthetics,
  • Magnets exhibit huge magnetic induction on the outer layer,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • Thanks to flexibility in constructing and the ability to modify to client solutions,
  • Huge importance in modern industrial fields – they are used in data components, brushless drives, medical equipment, and complex engineering applications.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

What to avoid - cons of neodymium magnets and proposals for their use:

  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
  • When exposed to high temperature, neodymium magnets experience a drop in force. Often, when the temperature exceeds 80°C, their power 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
  • When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
  • We recommend casing - magnetic mechanism, due to difficulties in producing threads inside the magnet and complex shapes.
  • Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child safety. Furthermore, tiny parts of these magnets can disrupt the diagnostic process medical after entering the body.
  • Due to neodymium price, their price is higher than average,

Maximum lifting capacity of the magnetwhat contributes to it?

Breakaway force was determined for optimal configuration, including:

  • using a base made of low-carbon steel, functioning as a circuit closing element
  • possessing a thickness of at least 10 mm to avoid saturation
  • with a surface cleaned and smooth
  • without any air gap between the magnet and steel
  • for force acting at a right angle (in the magnet axis)
  • at standard ambient temperature

Determinants of lifting force in real conditions

During everyday use, the actual lifting capacity is determined by many variables, listed from crucial:

  • Air gap (between the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
  • Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of generating force.
  • Plate material – mild steel attracts best. Alloy admixtures decrease magnetic properties and holding force.
  • Surface structure – the more even the surface, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
  • Temperature – heating the magnet results in weakening of induction. It is worth remembering the thermal limit for a given model.

* Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, however under shearing force the load capacity is reduced by as much as 75%. Additionally, even a small distance {between} the magnet’s surface and the plate lowers the load capacity.

Advantages and disadvantages of rare earth magnets.

Besides their remarkable field intensity, neodymium magnets offer the following advantages:

  • Their strength is durable, and after around ten years it decreases only by ~1% (theoretically),
  • They do not lose their magnetic properties even under external field action,
  • A magnet with a metallic nickel surface has better aesthetics,
  • Magnets exhibit huge magnetic induction on the outer layer,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • Thanks to flexibility in constructing and the ability to modify to client solutions,
  • Huge importance in modern industrial fields – they are used in data components, brushless drives, medical equipment, and complex engineering applications.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

What to avoid - cons of neodymium magnets and proposals for their use:

  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
  • When exposed to high temperature, neodymium magnets experience a drop in force. Often, when the temperature exceeds 80°C, their power 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
  • When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
  • We recommend casing - magnetic mechanism, due to difficulties in producing threads inside the magnet and complex shapes.
  • Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child safety. Furthermore, tiny parts of these magnets can disrupt the diagnostic process medical after entering the body.
  • Due to neodymium price, their price is higher than average,

Maximum lifting capacity of the magnetwhat contributes to it?

Breakaway force was determined for optimal configuration, including:

  • using a base made of low-carbon steel, functioning as a circuit closing element
  • possessing a thickness of at least 10 mm to avoid saturation
  • with a surface cleaned and smooth
  • without any air gap between the magnet and steel
  • for force acting at a right angle (in the magnet axis)
  • at standard ambient temperature

Determinants of lifting force in real conditions

During everyday use, the actual lifting capacity is determined by many variables, listed from crucial:

  • Air gap (between the magnet and the plate), because even a tiny clearance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
  • Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of generating force.
  • Plate material – mild steel attracts best. Alloy admixtures decrease magnetic properties and holding force.
  • Surface structure – the more even the surface, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
  • Temperature – heating the magnet results in weakening of induction. It is worth remembering the thermal limit for a given model.

* Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, however under shearing force the load capacity is reduced by as much as 75%. Additionally, even a small distance {between} the magnet’s surface and the plate lowers the load capacity.

Warnings

Pinching danger

Large magnets can break fingers in a fraction of a second. Do not place your hand betwixt two attracting surfaces.

Do not overheat magnets

Avoid heat. Neodymium magnets are sensitive to heat. If you require resistance above 80°C, ask us about special high-temperature series (H, SH, UH).

Danger to the youngest

Neodymium magnets are not suitable for play. Swallowing a few magnets can lead to them connecting inside the digestive tract, which constitutes a critical condition and requires immediate surgery.

Fire warning

Drilling and cutting of neodymium magnets poses a fire risk. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Protect data

Device Safety: Strong magnets can damage data carriers and sensitive devices (pacemakers, medical aids, timepieces).

Compass and GPS

An intense magnetic field interferes with the operation of magnetometers in smartphones and GPS navigation. Keep magnets near a device to avoid breaking the sensors.

Medical interference

Life threat: Neodymium magnets can deactivate pacemakers and defibrillators. Stay away if you have medical devices.

Fragile material

Watch out for shards. Magnets can explode upon uncontrolled impact, launching sharp fragments into the air. We recommend safety glasses.

Sensitization to coating

A percentage of the population suffer from a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Frequent touching may cause a rash. We recommend use safety gloves.

Handling guide

Exercise caution. Rare earth magnets attract from a long distance and snap with massive power, often quicker than you can move away.

Caution!

Want to know more? Read our article: Are neodymium magnets dangerous?

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98