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AM ucho [M8] - magnetic accessories

magnetic accessories

Catalog no 080268

GTIN/EAN: 5906301812470

5.00

Weight

53 g

Load capacity

240.00 kg / 2353.60 N

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4.92 ZŁ with VAT / pcs + price for transport

4.00 ZŁ net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety
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Product card - AM ucho [M8] - magnetic accessories

Specification / characteristics - AM ucho [M8] - magnetic accessories

properties
properties values
Cat. no. 080268
GTIN/EAN 5906301812470
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Weight 53 g
Load capacity ~ ? 240.00 kg / 2353.60 N
Manufacturing Tolerance ±1 mm

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 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²
Engineering data and GPSR
Elemental analysis
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Environmental data
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 080268-2026
Measurement Calculator
Force (pull)
Magnetic Field
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This category contains replaceable tips, adapters, and fasteners for magnets. We offer, among others: various types of hooks, eye bolts (shackles), steel plates (washers), and rubber anti-slip caps. These are essential elements to fully utilize the potential of neodymium magnets in practice.
Steel plates (washers) allow the use of magnets on non-magnetic surfaces. After fixing the plate, you gain a place where the magnet will hold just like on a fridge. This enables creating magnetic closures anywhere in the home and office.
Elements are standardized according to metric standard, facilitating selection. Before purchase, check the thread size in your magnetic holder (it is given in the description). Most elements are protected against rust by galvanic zinc.
Covers made of thin rubber protect delicate surfaces from scratching by a metal magnet. We recommend them for mounting on car bodies to not scratch the paint when removing. However, remember that rubber creates a distance, which slightly reduces perpendicular lifting force.
Yes, as a direct importer, we serve both retail and wholesale customers. For B2B clients, we have special trade conditions and deferred payment terms. Most goods are available off-the-shelf in our warehouse, guaranteeing fast delivery.

Advantages and disadvantages of rare earth magnets.

Benefits

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • They have constant strength, and over around 10 years their performance decreases symbolically – ~1% (according to theory),
  • Magnets very well defend themselves against demagnetization caused by external fields,
  • A magnet with a metallic gold surface looks better,
  • They are known for high magnetic induction at the operating surface, which affects their effectiveness,
  • Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
  • Thanks to flexibility in designing and the capacity to adapt to specific needs,
  • Key role in high-tech industry – they are commonly used in hard drives, brushless drives, advanced medical instruments, and other advanced devices.
  • Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Limitations

Characteristics of disadvantages of neodymium magnets: tips and applications.
  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
  • We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Magnets exposed to a humid environment can rust. Therefore while using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
  • We recommend a housing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
  • Health risk related to microscopic parts of magnets can be dangerous, if swallowed, which becomes key in the context of child safety. Additionally, small components of these products can complicate diagnosis medical in case of swallowing.
  • With budget limitations the cost of neodymium magnets can be a barrier,

Lifting parameters

Best holding force of the magnet in ideal parameters – what affects it?

Magnet power is the result of a measurement for the most favorable conditions, taking into account:
  • using a plate made of mild steel, acting as a circuit closing element
  • whose thickness is min. 10 mm
  • characterized by even structure
  • without any air gap between the magnet and steel
  • during pulling in a direction vertical to the plane
  • in temp. approx. 20°C

Magnet lifting force in use – key factors

Bear in mind that the working load may be lower depending on elements below, starting with the most relevant:
  • Distance (between the magnet and the metal), because even a microscopic distance (e.g. 0.5 mm) results in a reduction in force by up to 50% (this also applies to paint, rust or debris).
  • Loading method – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
  • Base massiveness – insufficiently thick sheet does not close the flux, causing part of the power to be escaped into the air.
  • Material composition – not every steel reacts the same. Alloy additives worsen the attraction effect.
  • Base smoothness – the more even the surface, the larger the contact zone and stronger the hold. Roughness acts like micro-gaps.
  • Thermal factor – high temperature weakens magnetic field. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. Moreover, even a minimal clearance between the magnet and the plate decreases the lifting capacity.

H&S for magnets
Allergy Warning

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction happens, cease working with magnets and wear gloves.

GPS and phone interference

A strong magnetic field negatively affects the functioning of compasses in smartphones and navigation systems. Maintain magnets close to a device to avoid breaking the sensors.

No play value

Absolutely store magnets away from children. Ingestion danger is high, and the effects of magnets connecting inside the body are very dangerous.

Electronic devices

Very strong magnetic fields can corrupt files on credit cards, HDDs, and storage devices. Maintain a gap of min. 10 cm.

Dust explosion hazard

Fire warning: Rare earth powder is highly flammable. Do not process magnets in home conditions as this risks ignition.

Pinching danger

Mind your fingers. Two powerful magnets will snap together instantly with a force of massive weight, destroying everything in their path. Be careful!

Handling rules

Use magnets with awareness. Their immense force can shock even experienced users. Stay alert and respect their power.

Power loss in heat

Standard neodymium magnets (grade N) undergo demagnetization when the temperature goes above 80°C. Damage is permanent.

Magnet fragility

Beware of splinters. Magnets can fracture upon violent connection, launching sharp fragments into the air. Wear goggles.

Warning for heart patients

For implant holders: Strong magnetic fields disrupt electronics. Maintain at least 30 cm distance or request help to work with the magnets.

Attention! Looking for details? Read our article: Are neodymium magnets dangerous?