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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:
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Weight along with form of neodymium magnets can be reviewed using our
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💡 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 data of the product - 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 neodymium magnets.
Advantages
- They do not lose magnetism, even after approximately 10 years – the decrease in lifting capacity is only ~1% (based on measurements),
- Neodymium magnets prove to be highly resistant to demagnetization caused by external field sources,
- In other words, due to the aesthetic finish of gold, the element gains a professional look,
- Neodymium magnets achieve maximum magnetic induction on a contact point, which ensures high operational effectiveness,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
- Possibility of custom modeling as well as modifying to atypical applications,
- Fundamental importance in high-tech industry – they are commonly used in computer drives, electromotive mechanisms, diagnostic systems, also industrial machines.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Disadvantages
- To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution protects the magnet and simultaneously increases its durability.
- When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- Due to limitations in producing threads and complicated forms in magnets, we recommend using a housing - magnetic holder.
- Potential hazard to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child health protection. Furthermore, small components of these devices can be problematic in diagnostics medical when they are in the body.
- Due to neodymium price, their price exceeds standard values,
Holding force characteristics
Best holding force of the magnet in ideal parameters – what it depends on?
- with the application of a yoke made of low-carbon steel, ensuring maximum field concentration
- possessing a thickness of min. 10 mm to avoid saturation
- with an ideally smooth touching surface
- with total lack of distance (no impurities)
- during pulling in a direction vertical to the plane
- at ambient temperature approx. 20 degrees Celsius
Determinants of lifting force in real conditions
- Clearance – the presence of any layer (paint, dirt, air) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
- Force direction – note that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
- Substrate thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Metal type – not every steel attracts identically. Alloy additives worsen the attraction effect.
- Surface quality – the more even the plate, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
- Thermal factor – high temperature weakens magnetic field. Too high temperature can permanently damage the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the holding force is lower. Additionally, even a small distance between the magnet and the plate decreases the load capacity.
Safe handling of NdFeB magnets
Conscious usage
Exercise caution. Rare earth magnets attract from a long distance and snap with massive power, often faster than you can react.
Protective goggles
Neodymium magnets are sintered ceramics, which means they are very brittle. Collision of two magnets leads to them shattering into small pieces.
GPS and phone interference
A strong magnetic field negatively affects the functioning of magnetometers in phones and navigation systems. Keep magnets near a smartphone to prevent breaking the sensors.
Pinching danger
Big blocks can break fingers in a fraction of a second. Under no circumstances place your hand between two attracting surfaces.
ICD Warning
Patients with a pacemaker have to maintain an absolute distance from magnets. The magnetism can interfere with the functioning of the implant.
Machining danger
Dust created during machining of magnets is self-igniting. Do not drill into magnets without proper cooling and knowledge.
Do not give to children
Absolutely keep magnets out of reach of children. Ingestion danger is high, and the consequences of magnets clamping inside the body are fatal.
Keep away from computers
Device Safety: Strong magnets can damage payment cards and delicate electronics (pacemakers, hearing aids, mechanical watches).
Nickel allergy
A percentage of the population suffer from a sensitization to nickel, which is the typical protective layer for NdFeB magnets. Frequent touching might lead to dermatitis. We recommend use protective gloves.
Thermal limits
Standard neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. This process is irreversible.
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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