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AM ucho [M10] - magnetic accessories

magnetic accessories

Catalog no 080346

GTIN/EAN: 5906301812494

5.00
Load capacity 320.00 kg / 3138.13 N
Weight
71.5 g
view properties »

7.38 zł with VAT / pcs + price for transport

6.00 zł net + 23% VAT / pcs

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Contact us by phone +48 888 99 98 98 alternatively drop us a message via request form the contact form page.
Strength along with structure of magnetic components can be checked on our power calculator.

Orders placed before 14:00 will be shipped the same business day.

Technical details - AM ucho [M10] - magnetic accessories

Specification / characteristics - AM ucho [M10] - magnetic accessories

properties
properties values
Cat. no. 080346
GTIN/EAN 5906301812494
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 71.5 g
Load capacity ~ ? 320.00 kg / 3138.13 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%

Ecology and recycling (GPSR)

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: 080346-2026
Magnet Unit Converter

Magnet pull force

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This category contains replaceable tips, adapters, and fasteners for magnets. We offer, among others: various types of hooks, eyelet holders, mounting plates for magnets, and rubber covers. Thanks to these additions, you can adapt any magnetic holder to your individual needs.
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). We offer accessories made of galvanized or stainless steel, resistant to corrosion.
The cap increases friction (coefficient of friction), preventing the magnet from sliding down a vertical wall. They are ideal when you want to attach a magnet to car paint, a fridge, or furniture. However, remember that rubber creates a distance, which slightly reduces perpendicular lifting force.
We fulfill orders for any quantities, from one piece to thousands of items. 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.

Pros and cons of neodymium magnets.

Strengths

Besides their remarkable pulling force, neodymium magnets offer the following advantages:
  • They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
  • They retain their magnetic properties even under strong external field,
  • A magnet with a shiny gold surface has an effective appearance,
  • Magnets are distinguished by maximum magnetic induction on the outer layer,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • Due to the ability of precise shaping and adaptation to individualized requirements, neodymium magnets can be created in a wide range of shapes and sizes, which expands the range of possible applications,
  • Significant place in high-tech industry – they find application in data components, electric motors, precision medical tools, also modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in compact constructions

Limitations

Disadvantages of NdFeB magnets:
  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
  • We suggest cover - magnetic mount, due to difficulties in creating threads inside the magnet and complicated forms.
  • Possible danger to health – tiny shards of magnets pose a threat, if swallowed, which gains importance in the aspect of protecting the youngest. Additionally, tiny parts of these products can be problematic in diagnostics medical in case of swallowing.
  • Due to complex production process, their price exceeds standard values,

Lifting parameters

Breakaway strength of the magnet in ideal conditions – what affects it?

Breakaway force is the result of a measurement for the most favorable conditions, assuming:
  • on a block made of mild steel, optimally conducting the magnetic flux
  • possessing a thickness of min. 10 mm to ensure full flux closure
  • with a surface cleaned and smooth
  • without the slightest insulating layer between the magnet and steel
  • during pulling in a direction perpendicular to the plane
  • at temperature room level

Impact of factors on magnetic holding capacity in practice

In practice, the real power depends on a number of factors, listed from the most important:
  • Clearance – the presence of any layer (paint, tape, gap) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
  • Force direction – catalog parameter refers to detachment vertically. When applying parallel force, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
  • Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet limits the attraction force (the magnet "punches through" it).
  • Material type – the best choice is high-permeability steel. Cast iron may generate lower lifting capacity.
  • Base smoothness – the smoother and more polished the plate, the better the adhesion and stronger the hold. Unevenness creates an air distance.
  • Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Lifting capacity was measured with the use of a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular pulling force, however under parallel forces the load capacity is reduced by as much as 5 times. Moreover, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

Warnings
Swallowing risk

These products are not intended for children. Accidental ingestion of a few magnets can lead to them pinching intestinal walls, which constitutes a critical condition and necessitates immediate surgery.

Magnetic interference

Be aware: rare earth magnets generate a field that disrupts sensitive sensors. Keep a safe distance from your mobile, device, and navigation systems.

Medical implants

Patients with a pacemaker must maintain an large gap from magnets. The magnetic field can disrupt the functioning of the life-saving device.

Flammability

Fire hazard: Rare earth powder is highly flammable. Avoid machining magnets in home conditions as this may cause fire.

Beware of splinters

Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.

Allergic reactions

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction appears, cease handling magnets and use protective gear.

Electronic devices

Very strong magnetic fields can destroy records on payment cards, hard drives, and storage devices. Keep a distance of at least 10 cm.

Handling rules

Exercise caution. Neodymium magnets act from a distance and connect with huge force, often quicker than you can react.

Permanent damage

Monitor thermal conditions. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and pulling force.

Crushing force

Danger of trauma: The attraction force is so great that it can result in hematomas, crushing, and broken bones. Protective gloves are recommended.

Safety First! Want to know more? Read our article: Why are neodymium magnets dangerous?