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

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

magnetic holder internal thread

Catalog no 180419

GTIN: 5906301813781

Diameter Ø [±0,1 mm]

60 mm

Height [±0,1 mm]

30 mm

Height [±0,1 mm]

15 mm

Weight

260 g

Load capacity

112 kg / 1098.34 N

102.96 ZŁ 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

values

Cat. no.

180419

GTIN

5906301813781

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 ~ ?

112 kg / 1098.34 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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Magnetic holders with internal thread can be versatile accessories, used in manufacturing and household uses, such as construction. They consist of a magnet, usually neodymium, enclosed within a metal housing, covered with Zn layer for corrosion protection. The internal thread, available in sizes from M4 to M8, enables insertion of bolts, which simplifies installation of various items, like nameplates, instruments, or lamps. They work via a powerful magnetic zone, that focuses in the contact area, ensuring holding force ranging from one to sixty kilograms, depending on mount size. They are especially useful in vehicle manufacturing, for example, for securing body panels, as well as in marketing, for poster placement. Certain types have a rubber coating, e.g. in black or yellow, which protects surfaces from scratches and increases resistance to dampness. Benefits cover high durability, ease of installation thanks to the thread, and the ability to transport heavy ferromagnetic objects. Still, the holding force relies on surface thickness, material used, or distance between the holder and the component. It’s important to avoid impacts, since neodymium magnets are fragile, and overtightening the screw may be dangerous. In addition, a magnetic zone may interfere with electronics, such as smartphones or magnetic cards, so holders should be kept away from such equipment. It is recommended to choose holders from reputable manufacturers, to ensure high quality and safe use during operation.

Advantages as well as disadvantages of neodymium magnets NdFeB.

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

They have stable power, and over more than 10 years their performance decreases symbolically – ~1% (according to theory),
They are very resistant to demagnetization caused by external magnetic sources,
Thanks to the shiny finish and silver coating, they have an elegant appearance,
The outer field strength of the magnet shows elevated magnetic properties,
Thanks to their high temperature resistance, they can operate (depending on the form) even at temperatures up to 230°C or more,
The ability for accurate shaping or adaptation to custom needs – neodymium magnets can be manufactured in many forms and dimensions, which extends the scope of their use cases,
Important function in cutting-edge sectors – they are utilized in hard drives, electromechanical systems, healthcare devices and other advanced devices,
Thanks to their concentrated strength, small magnets offer high magnetic performance, in miniature format,

Disadvantages of NdFeB magnets:

They are fragile when subjected to a powerful impact. If the magnets are exposed to shocks, they should be placed in a protective case. The steel housing, in the form of a holder, protects the magnet from breakage and additionally strengthens its overall strength,
Magnets lose magnetic efficiency when exposed to temperatures exceeding 80°C. In most cases, this leads to irreversible field weakening (influenced by the magnet’s profile). To address this, we provide [AH] models with superior thermal resistance, able to operate even at 230°C or more,
Magnets exposed to damp air can degrade. Therefore, for outdoor applications, it's best to use waterproof types made of coated materials,
The use of a protective casing or external holder is recommended, since machining internal cuts in neodymium magnets is risky,
Safety concern from tiny pieces may arise, especially if swallowed, which is important in the context of child safety. Moreover, minuscule fragments from these magnets can complicate medical imaging if inside the body,
In cases of large-volume purchasing, neodymium magnet cost is a challenge,

Exercise Caution with Neodymium Magnets

Neodymium magnets are delicate as well as can easily break and shatter.

Neodymium magnets are highly fragile, and by joining them in an uncontrolled manner, they will crack. Magnets made of neodymium are made of metal and coated with a shiny nickel, but they are not as durable as steel. In the event of a collision between two magnets, there may be a scattering of fragments in different directions. Protecting your eyes is crucial in such a situation.

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

Familiarize yourself with our information to correctly handle these magnets and avoid significant swellings to your body and prevent damage to the magnets.

Avoid contact with neodymium magnets if you have a nickel allergy.

Studies show a small percentage of people have allergies to certain metals, including nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Neodymium magnets can demagnetize at high temperatures.

Despite the fact that magnets have been found 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.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

You should maintain neodymium magnets at a safe distance from the wallet, computer, and TV.

The strong magnetic field generated by neodymium magnets can destroy magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, etc. devices. They can also destroy videos, televisions, CRT computer monitors. Remember not to place neodymium magnets close to these electronic devices.

Keep neodymium magnets away from GPS and smartphones.

Magnetic fields can interfere with compasses and magnetometers used in aviation and maritime navigation, as well as internal compasses of smartphones and GPS devices. There are neodymium magnets in every smartphone, for example, in the microphone and speakers.

Neodymium magnets should not be around children.

Neodymium magnets are not toys. Be cautious and make sure no child plays with them. They can be a significant choking hazard. If multiple magnets are swallowed, they can attract to each other through the intestinal walls, causing severe injuries, and even death.

Neodymium magnets are not recommended for people with pacemakers.

Neodymium magnets generate very strong magnetic fields that can interfere with the operation of a pacemaker. This happens because such devices have a function to deactivate them in a magnetic field.

Neodymium magnets can attract to each other due to their immense internal force, causing the skin and other body parts to get pinched and resulting in significant injuries.

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

Safety precautions!

To show why neodymium magnets are so dangerous, see the article - How dangerous are strong neodymium magnets?.