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UMGGW 43x6 [M4] GW / N38 - magnetic holder rubber internal thread

magnetic holder rubber internal thread

Catalog no 160307

GTIN: 5906301813651

Diameter Ø [±0,1 mm]

43 mm

Height [±0,1 mm]

6 mm

Weight

29 g

Load capacity

8.7 kg / 85.32 N

10.46 ZŁ with VAT / pcs + price for transport

8.50 ZŁ net + 23% VAT / pcs

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UMGGW 43x6 [M4] GW / N38 - magnetic holder rubber internal thread

Specification/characteristics UMGGW 43x6 [M4] GW / N38 - magnetic holder rubber internal thread

properties

values

Cat. no.

160307

GTIN

5906301813651

Production/Distribution

Dhit sp. z o.o.

Country of origin

Poland / China / Germany

Customs code

85059029

Diameter Ø

43 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

29 g [±0,1 mm]

Load capacity ~ ?

8.7 kg / 85.32 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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It is recommended to select a holder with suitable magnetic strength for the given application – a magnet with insufficient strength may not work effectively, while one that is too strong might be difficult to detach.

No! Magnetic holders should not be used for people with heart implants, as the strong magnetic field can affect their function. For these individuals, we suggest using non-magnetic holders — we offer two such types in our range.

Advantages and disadvantages of neodymium magnets NdFeB.

Besides their stability, neodymium magnets are valued for these benefits:

They virtually do not lose power, because even after 10 years, the performance loss is only ~1% (according to literature),
They show exceptional resistance to demagnetization from external field exposure,
Thanks to the polished finish and silver coating, they have an aesthetic appearance,
They exhibit elevated levels of magnetic induction near the outer area of the magnet,
Thanks to their enhanced temperature resistance, they can operate (depending on the geometry) even at temperatures up to 230°C or more,
With the option for fine forming and targeted design, these magnets can be produced in multiple shapes and sizes, greatly improving application potential,
Key role in modern technologies – they are utilized in data storage devices, electric drives, clinical machines along with technologically developed systems,
Relatively small size with high magnetic force – neodymium magnets offer impressive pulling strength in tiny dimensions, which allows for use in compact constructions

Disadvantages of magnetic elements:

They are fragile when subjected to a powerful impact. If the magnets are exposed to physical collisions, we recommend in a steel housing. The steel housing, in the form of a holder, protects the magnet from fracture while also enhances its overall strength,
High temperatures may significantly reduce the magnetic power of neodymium magnets. Typically, above 80°C, they experience permanent deterioration in performance (depending on height). 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 advisable to use sealed magnets made of rubber for outdoor use,
The use of a protective casing or external holder is recommended, since machining threads in neodymium magnets is difficult,
Possible threat related to magnet particles may arise, if ingested accidentally, which is significant in the context of child safety. It should also be noted that miniature parts from these devices can interfere with diagnostics if inside the body,
Higher purchase price is one of the drawbacks compared to ceramic magnets, especially in budget-sensitive applications

Exercise Caution with Neodymium Magnets

The magnet coating is made of nickel, so be cautious if you have an 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, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Keep neodymium magnets as far away as possible 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 can demagnetize at high temperatures.

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

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

Neodymium magnetic are delicate as well as will crack if allowed to collide with each other, even from a distance of a few centimeters. Despite being made of metal as well as coated with a shiny nickel plating, they are not as hard as steel. 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.

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.

Keep neodymium magnets away from the wallet, computer, and TV.

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. You should especially avoid placing neodymium magnets near electronic devices.

Neodymium magnets are the most powerful magnets ever invented. Their strength can surprise you.

Make sure to review all the information we have provided. This will help you avoid harm to your body and damage to the magnets.

Neodymium magnets are not recommended for people with pacemakers.

Neodymium magnets generate strong magnetic fields. As a result, they interfere with the operation of a pacemaker. This is because many of these devices are equipped with a function that deactivates the device in a magnetic field.

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

Neodymium magnets are not toys. You cannot allow them to become toys for children. In such a situation, surgery is necessary to remove them. In the worst case scenario, it can result in death.

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.

Exercise caution!

Please see the article - What danger lies in neodymium magnets? You will learn how to handle them properly.