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neodymium magnets

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UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread

magnetic holder external thread

Catalog no 190416

GTIN: 5906301813873

5

Diameter Ø [±0,1 mm]

60 mm

Height [±0,1 mm]

30 mm

Height [±0,1 mm]

15 mm

Weight

260 g

Load capacity

140 kg / 1372.93 N

102.95 with VAT / pcs + price for transport

83.70 ZŁ net + 23% VAT / pcs

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UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread

Specification/characteristics UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread
properties
values
Cat. no.
190416
GTIN
5906301813873
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
60 mm [±0,1 mm]
Height
30 mm [±0,1 mm]
Height
15 mm [±0,1 mm]
Weight
260 g [±0,1 mm]
Load capacity ~ ?
140 kg / 1372.93 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
T
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
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

Shopping tips

Magnetic holders with neodymium magnets with external thread are modern accessories, used in many industries, such as construction, agriculture, or advertising. Their design is based on a strong neodymium magnet, embedded within a durable steel housing coated with zinc and nickel. The external thread ranging from M3–M10 enables mounting into threaded holes, which makes it possible to screw in nameplates, lighting, tools. With the help of a strong magnetic field, these holders offer a pulling strength of up to 68 kg, depending on. Applications of the holders include both workshops and DIY projects. Some versions are equipped with a protective layer, that protects surfaces from damage and increases grip. However, it is important to remember NdFeB magnets are brittle and may break under over-tightened mounting. Careful handling is advised, and holders should be kept away from electronics. To ensure reliability, one should opt for certified products.

Advantages and disadvantages of neodymium magnets NdFeB.

In addition to their immense magnetic power, neodymium magnets offer the following advantages:

  • Their strength is maintained, and after around ten years, it drops only by ~1% (theoretically),
  • They protect against demagnetization induced by surrounding electromagnetic environments very well,
  • Thanks to the shiny finish and silver coating, they have an visually attractive appearance,
  • The outer field strength of the magnet shows elevated magnetic properties,
  • These magnets tolerate high temperatures, often exceeding 230°C, when properly designed (in relation to profile),
  • Thanks to the possibility in shaping and the capability to adapt to unique requirements, neodymium magnets can be created in various configurations, which increases their application range,
  • Wide application in modern technologies – they serve a purpose in data storage devices, electromechanical systems, clinical machines and sophisticated instruments,
  • Thanks to their efficiency per volume, small magnets offer high magnetic performance, with minimal size,

Disadvantages of magnetic elements:

  • They are prone to breaking when subjected to a heavy impact. If the magnets are exposed to mechanical hits, it is suggested to place them in a steel housing. The steel housing, in the form of a holder, protects the magnet from cracks , and at the same time increases its overall durability,
  • They lose power at elevated temperatures. Most neodymium magnets experience permanent degradation in strength when heated above 80°C (depending on the shape and height). However, we offer special variants with high temperature resistance that can operate up to 230°C or higher,
  • They rust in a wet environment. For outdoor use, we recommend using waterproof magnets, such as those made of plastic,
  • Limited ability to create precision features in the magnet – the use of a external casing is recommended,
  • Potential hazard due to small fragments may arise, if ingested accidentally, which is notable in the protection of children. Furthermore, small elements from these assemblies have the potential to complicate medical imaging when ingested,
  • High unit cost – neodymium magnets are pricier than other types of magnets (e.g., ferrite), which increases the cost of large-scale applications

Safety Precautions

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

Magnetic fields generated by neodymium magnets can damage magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other similar devices. In addition, they can damage televisions, VCRs, computer monitors, and CRT displays. You should especially avoid placing neodymium magnets near electronic devices.

  Magnets should not be treated as toys. Therefore, it is not recommended for youngest children to have access to them.

Neodymium magnets are not toys. You cannot allow them to become toys for children. In the case of small magnets, they can be swallowed and cause choking. In such cases, the only solution is to undergo surgery to remove the magnets, and otherwise, it can even lead to death.

Neodymium magnets are not recommended for people with pacemakers.

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

Neodymium magnets can demagnetize at high temperatures.

Under specific conditions, Neodymium magnets can lose their magnetism when subjected to high temperatures.

Avoid bringing neodymium magnets close to a phone or GPS.

Strong fields generated by neodymium magnets interfere with compasses and magnetometers used in navigation, as well as internal compasses of smartphones and GPS devices.

Magnets made of neodymium are highly susceptible to damage, leading to breaking.

Neodymium magnets are highly fragile, and by joining them in an uncontrolled manner, they will crack. Neodymium magnets are made of metal and coated with a shiny nickel surface, but they are not as hard as steel. At the moment of connection between the magnets, small metal fragments can be dispersed in different directions.

Comparing neodymium magnets to ferrite magnets (found in speakers), they are 10 times stronger, and their power can surprise you.

Please review the information on how to handle neodymium magnets and avoid significant harm to your body, as well as prevent unintentional damage to the magnets.

Neodymium magnets can attract to each other, pinch the skin, and cause significant injuries.

Neodymium magnets will jump and also contact together within a radius of several to around 10 cm from each other.

Dust and powder from neodymium magnets are flammable.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. Once crushed into fine powder or dust, this material becomes highly flammable.

The magnet coating is made of nickel, so be cautious if you have an allergy.

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!

In order for you to know how strong neodymium magnets are and why they are so dangerous, read the article - Dangerous very powerful neodymium magnets.

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