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UMGZ 48x24x11.5 [M8] GZ / N38 - magnetic holder external thread

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UMGZ 48x24x11.5 [M8] GZ / N38 - magnetic holder external thread

magnetic holder external thread

Catalog no 190415

GTIN: 5906301813866

Diameter Ø [±0,1 mm]

48 mm

Height [±0,1 mm]

24 mm

Height [±0,1 mm]

11.5 mm

Weight

140 g

Load capacity

80 kg / 784.53 N

59.90 ZŁ with VAT / pcs + price for transport

48.70 ZŁ net + 23% VAT / pcs

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Lifting power along with structure of neodymium magnets can be checked using our magnetic mass calculator.

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UMGZ 48x24x11.5 [M8] GZ / N38 - magnetic holder external thread

Specification/characteristics UMGZ 48x24x11.5 [M8] GZ / N38 - magnetic holder external thread

properties

values

Cat. no.

190415

GTIN

5906301813866

Production/Distribution

Dhit sp. z o.o.

Country of origin

Poland / China / Germany

Customs code

85059029

Diameter Ø

48 mm [±0,1 mm]

Height

24 mm [±0,1 mm]

Height

11.5 mm [±0,1 mm]

Weight

140 g [±0,1 mm]

Load capacity ~ ?

80 kg / 784.53 N

Manufacturing Tolerance

± 0.1 mm

Magnetic properties of material N38

properties

values

units

coercivity bHc ?

860-915

kA/m

coercivity bHc ?

10.8-11.5

kOe

energy density [Min. - Max.] ?

287-303

BH max KJ/m

energy density [Min. - Max.] ?

36-38

BH max MGOe

remenance Br [Min. - Max.] ?

12.2-12.6

kGs

remenance Br [Min. - Max.] ?

1220-1260

actual internal force iHc

≥ 955

kA/m

actual internal force iHc

≥ 12

kOe

max. temperature ?

≤ 80

°C

Physical properties of NdFeB

properties

values

units

Vickers hardness

≥550

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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Mounts with built-in neodymium magnets with external thread offer robust accessories, applied across various industries, such as construction, light industry, or assembly technology. The construction is based on a strong NdFeB magnet, embedded in steel housing protected by an anti-corrosion layer. The external thread ranging from M4–M8 enables installation into threaded holes, which enables to fasten nameplates, lighting, tools. Thanks to a focused magnetic field, such mounts provide a pulling strength of up to 68 kg, depending on the model and size. Their use include not only workshops and home installations. Some versions feature a protective layer, which safeguards mounted elements from scratches and improves moisture resistance. Note, however, that NdFeB magnets are brittle and may break under excessive tightening. Careful handling is advised, and they should be stored away from magnetic cards and electronic devices. To ensure reliability, one should opt for models from trusted manufacturers.

Advantages as well as disadvantages of neodymium magnets NdFeB.

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

They do not lose their even during approximately ten years – the reduction of power is only ~1% (based on measurements),
Their ability to resist magnetic interference from external fields is among the best,
In other words, due to the shiny nickel coating, the magnet obtains an aesthetic appearance,
The outer field strength of the magnet shows advanced magnetic properties,
With the right combination of magnetic alloys, they reach increased thermal stability, enabling operation at or above 230°C (depending on the structure),
The ability for custom shaping or customization to custom needs – neodymium magnets can be manufactured in many forms and dimensions, which extends the scope of their use cases,
Significant impact in modern technologies – they are utilized in computer drives, electric drives, clinical machines as well as other advanced devices,
Relatively small size with high magnetic force – neodymium magnets offer strong power in small dimensions, which allows for use in miniature devices

Disadvantages of magnetic elements:

They are fragile when subjected to a strong impact. If the magnets are exposed to mechanical hits, they should be placed in a metal holder. The steel housing, in the form of a holder, protects the magnet from damage while also increases its overall strength,
High temperatures may significantly reduce the holding force of neodymium magnets. Typically, above 80°C, they experience permanent weakening in performance (depending on shape). To prevent this, we offer heat-resistant magnets marked [AH], capable of working up to 230°C, which makes them perfect for high-temperature use,
Due to corrosion risk in humid conditions, it is recommended to use sealed magnets made of synthetic coating for outdoor use,
Limited ability to create complex details in the magnet – the use of a external casing is recommended,
Potential hazard related to magnet particles may arise, when consumed by mistake, which is crucial in the health of young users. Additionally, miniature parts from these devices can interfere with diagnostics once in the system,
Due to expensive raw materials, their cost is above average,

Precautions

Neodymium magnets can become demagnetized at high temperatures.

Even though magnets have been observed to maintain their efficacy up to temperatures of 80°C or 175°F, it's essential to consider that this threshold may fluctuate depending on the magnet's type, configuration, and intended usage.

Dust and powder from neodymium magnets are flammable.

Avoid drilling or mechanical processing of neodymium magnets. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

Do not bring neodymium magnets close to GPS and smartphones.

Neodymium magnets are a source of strong magnetic fields that cause interference with magnetometers and compasses used in navigation, as well as internal compasses of smartphones and GPS devices.

It is crucial not to allow the magnets to pinch together uncontrollably or place your fingers in their path as they attract to each other.

Neodymium magnets bounce and clash mutually within a radius of several to around 10 cm from each other.

Do not place neodymium magnets near a computer HDD, TV, and wallet.

Strong magnetic fields emitted by neodymium magnets can damage magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other devices. In addition, they can damage televisions, VCRs, computer monitors, and CRT displays. Avoid placing neodymium magnets in close proximity to electronic devices.

Do not give neodymium magnets to youngest children.

Neodymium magnets are not toys. You cannot allow them to become toys for children. Small magnets pose a serious choking hazard or can attract to each other in the intestines. In such cases, the only solution is to undergo surgery to remove the magnets, and otherwise, it can even lead to death.

People with pacemakers are advised to avoid neodymium magnets.

Neodymium magnets produce strong magnetic fields that can interfere with the operation of a heart pacemaker. However, if the magnetic field does not affect the device, it can damage its components or deactivate the device when it is in a magnetic field.

Neodymium magnets are over 10 times stronger than ferrite magnets (the ones in speakers), and their strength can surprise you.

On our website, you can find information on how to use neodymium magnets. This will help you avoid injuries and prevent damage to the magnets.

Magnets made of neodymium are extremely delicate, they easily fall apart as well as can become damaged.

In the event of a collision between two neodymium magnets, it can result in them getting chipped. They are coated with a shiny nickel plating similar to steel, but they are not as hard. In the case of a collision between two magnets, there can be a scattering of small sharp metal fragments in different directions. Protecting your eyes is essential.

If you have a nickel allergy, avoid contact with neodymium magnets.

Studies clearly indicate a small percentage of people who suffer from metal allergies such as nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Safety precautions!

To raise awareness of why neodymium magnets are so dangerous, read the article titled How very dangerous are strong neodymium magnets?.