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UMP 75x24 [M8+M10] GW F 200 kg - search holder
search holder
Catalog no 210336
GTIN/EAN: 5906301813958
Diameter Ø
75 mm [±1 mm]
Height
24 mm [±1 mm]
Weight
900 g
Load capacity
280.00 kg / 2745.86 N
Coating
[NiCuNi] Nickel
200.00 ZŁ with VAT / pcs + price for transport
162.60 ZŁ net + 23% VAT / pcs
bulk discounts:
Need more?
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Parameters and appearance of a neodymium magnet can be verified with our
online calculation tool.
Orders placed before 14:00 will be shipped the same business day.
💡 Guide: How to choose a decent magnet and not get ripped off?
Instead of believing fairy tales on YouTube with tests on uncertified equipment, see what really determines your magnet's power:
- 📏 Magnet thickness in the casing (min. 10mm) – This is what matters most! Thin magnets are weak. Thanks to the 1cm thickness of N52 neodymium, your magnet "sees" metal even through thick rust and mud.
- 🛡️ Armored protection (Black Epoxy) – Forget about rust. This coating doesn't chip when hitting rocks and protects the magnet in water much better than regular nickel, which fails quickly.
- 🧲 Eyelets that don't steal power – Made of special non-magnetic steel, so they don't stick to the magnet and don't block the force. Important: mount only one eyelet at a time! Using 3 at once is a mistake that weakens the magnet.
- 🧶 Certified rope (min. 8mm) – You gain the certainty that your gear won't stay at the bottom. It's thick and comfortable, so it doesn't cut your fingers when pulling out heavy scrap metal.
- 🚀 Our advantage: We are the only ones combining the strongest N52 neodymium (10mm thick) with non-magnetic eyelets. This is real power and durability you won't find anywhere else.
Invest in solid equipment and enjoy the results!
Technical - UMP 75x24 [M8+M10] GW F 200 kg - search holder
Specification / characteristics - UMP 75x24 [M8+M10] GW F 200 kg - search holder
| properties | values |
|---|---|
| Cat. no. | 210336 |
| GTIN/EAN | 5906301813958 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 75 mm [±1 mm] |
| Height | 24 mm [±1 mm] |
| Weight | 900 g |
| Load capacity ~ ? | 280.00 kg / 2745.86 N |
| Coating | [NiCuNi] Nickel |
| Manufacturing Tolerance | ±1 mm |
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 |
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 |
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Advantages and disadvantages of Nd2Fe14B magnets.
Benefits
- They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
- They have excellent resistance to weakening of magnetic properties when exposed to external magnetic sources,
- Thanks to the reflective finish, the coating of Ni-Cu-Ni, gold, or silver gives an modern appearance,
- The surface of neodymium magnets generates a intense magnetic field – this is one of their assets,
- Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
- Thanks to versatility in forming and the capacity to adapt to individual projects,
- Huge importance in future technologies – they are utilized in computer drives, electric motors, precision medical tools, also multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in tiny dimensions, which makes them useful in miniature devices
Weaknesses
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We advise keeping them in a strong case, which not only protects them against impacts but also raises their durability
- Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Due to limitations in creating threads and complex forms in magnets, we propose using casing - magnetic mechanism.
- Possible danger related to microscopic parts of magnets pose a threat, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small components of these devices are able to disrupt the diagnostic process medical in case of swallowing.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what it depends on?
- with the contact of a sheet made of special test steel, ensuring full magnetic saturation
- whose thickness equals approx. 10 mm
- characterized by lack of roughness
- with direct contact (no paint)
- during detachment in a direction vertical to the plane
- in stable room temperature
Practical aspects of lifting capacity – factors
- Gap (between the magnet and the plate), as even a tiny distance (e.g. 0.5 mm) results in a decrease in force by up to 50% (this also applies to varnish, corrosion or debris).
- Loading method – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
- Steel thickness – insufficiently thick steel does not accept the full field, causing part of the power to be escaped into the air.
- Material type – ideal substrate is high-permeability steel. Cast iron may generate lower lifting capacity.
- Smoothness – ideal contact is obtained only on smooth steel. Any scratches and bumps create air cushions, reducing force.
- Temperature influence – hot environment weakens pulling force. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, in contrast under parallel forces the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate lowers the holding force.
Precautions when working with NdFeB magnets
Handling guide
Before starting, check safety instructions. Sudden snapping can break the magnet or injure your hand. Think ahead.
GPS Danger
A powerful magnetic field disrupts the operation of magnetometers in smartphones and navigation systems. Do not bring magnets near a device to avoid breaking the sensors.
Beware of splinters
Watch out for shards. Magnets can fracture upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.
Magnetic media
Do not bring magnets close to a wallet, computer, or screen. The magnetism can permanently damage these devices and erase data from cards.
Heat warning
Standard neodymium magnets (N-type) lose magnetization when the temperature goes above 80°C. Damage is permanent.
Fire risk
Dust produced during machining of magnets is flammable. Do not drill into magnets without proper cooling and knowledge.
Physical harm
Watch your fingers. Two large magnets will join immediately with a force of massive weight, crushing anything in their path. Exercise extreme caution!
Warning for heart patients
Warning for patients: Powerful magnets disrupt electronics. Maintain minimum 30 cm distance or request help to work with the magnets.
Warning for allergy sufferers
Allergy Notice: The Ni-Cu-Ni coating contains nickel. If skin irritation appears, cease handling magnets and use protective gear.
Product not for children
Only for adults. Small elements pose a choking risk, leading to intestinal necrosis. Store away from children and animals.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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