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UMP 75x24 [M8+M10] GW F 200 kg - search holder

search holder

Catalog no 210336

GTIN/EAN: 5906301813958

Load capacity 250.00 kg / 2451.66 N
Diameter Ø
75 mm [±1 mm]
Height
24 mm [±1 mm]
Weight
900 g
Side pull
38 kg
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

see properties »

162.60 zł net / pcs

200.00 zł with VAT (23% VAT) / pcs

price for transport

bulk discounts:

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Quantity
Net
Gross
price from 1 pcs
162.60 zł
200.00 zł
price from 10 pcs
152.84 zł
188.00 zł
price from 20 pcs
143.09 zł
176.00 zł

Frequently asked questions

What rope length is best for deeper water?
Choose the length for the site and the retrieval method rather than the magnet's nominal pull rating. Allow for abrasion at the bank and check the rope, knot and attachment point as a complete set.
Where should I buy a fishing magnet, and what should I check?
Look for a product card stating the magnet grade, measured pull force and test conditions. Compare the ratings of the rope and connectors too; a large number in the magnet's name does not describe the capacity of the entire set.
What pull rating is suitable for magnet fishing in a river?
In a river, contact angle, surface condition and water movement affect the grip. All F-series models are double-sided. Compare vertical and side pull for the specific model; double-sided does not mean 360°.
Can I buy a complete starter set for magnet fishing?
Check whether the selected offer includes the magnet, rope and connectors, and whether each component has suitable specifications. Follow local safety rules and use protective equipment appropriate for the site.
Which rope can be paired with a magnet rated at several hundred kilograms?
Check the rated capacity of every component: rope, knot, shackle and eyelet. The weakest component limits the set. F200 GOLD has approximately 250 kg vertical pull and 38 kg side pull. Rope sets normally include a blue rope from a Polish manufacturer, 8 mm in diameter and 25 m long. Diameter alone does not determine rope strength.
How is a fishing magnet different from an ordinary magnetic holder?
Fishing holders provide attachment points for an eyelet and rope. All F-series models have magnets on both faces and both faces attract metal. Check the threads, coating and operating conditions of the specific model.
Will the rope be the first component to fail with a heavy find?
Not necessarily. The knot, shackle, thread or magnetic contact may limit the set first. Compare the ratings of all components and remember that an angled pull can detach the magnet before the rope reaches its rated load.
What should I look for in a shop selling fishing magnets?
Check availability, detailed product specifications, test conditions for pull force and the possibility of buying replacement accessories. Compare the whole set rather than just its advertised maximum pull force.
What does F mean in a model name? Does F200 mean a 200 kg pull rating?
F is a model designation, not a pull rating. Confirmed vertical / side pull values: F200 and F200 GOLD — approximately 250 / 38 kg; F200 PLATINIUM N52 — 310 / approximately 61 kg; new F300 — 330 / 58 kg; old F300 — approximately 360 / 64 kg; F200 GOLD DUAL — approximately 610 / 76–82 kg. The old F600 with a top M12 eyelet and side M10 threads has approximately 650 kg vertical pull. Contact conditions affect the actual grip.

Guides from the knowledge base

Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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💡 Check why professionals choose Dhit over cheap substitutes

Don't be fooled by amateur online tests – go for certified quality and specific parameters that guarantee success:

  • 📏 Magnet dimensions and grade – Compare the specifications of the exact model in the technical table. Thickness, material grade and geometry all affect holding force and field reach.
  • 🛡️ Protective coating – Check the coating specified for the product and match it to the working environment. Water, impacts and scratches can shorten the life of an inadequately protected magnet.
  • 🧲 Mounting and force direction – The mounting method affects the actual force of the assembly. Use components intended for the specific model and follow the recommendations on its product page.
  • 🧶 Accessory selection – If the product is used with a rope, shackle or hook, check the load rating of every component. The weakest component determines the safety of the complete assembly.
  • 🚀 Choose using comparable data: Each product page lists the magnet grade, dimensions, coating and measured holding force. Compare models using the same parameters and test conditions.

Invest in solid equipment and enjoy the results!

Physical properties - UMP 75x24 [M8+M10] GW F 200 kg - search holder

Specification / characteristics - UMP 75x24 [M8+M10] GW F 200 kg - search holder

properties
properties values
Cat. no. 210336
GTIN/EAN 5906301813958
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
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 ~ ? 250.00 kg / 2451.66 N
Side pull 38 kg
Coating [NiCuNi] Nickel
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 310 °C
Curie Temperature TF 590 °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

Chemical composition

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: 210336-2026
Magnet Unit Converter

Pulling force

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All F-series holders have magnets on both faces and both faces attract metal. Choose by weight and retrieval method. F200 / F200 GOLD: approximately 250 kg vertical pull and 38 kg side pull. F200 PLATINIUM N52: 310 kg vertical pull and approximately 61 kg side pull. The laboratory pull rating is not the weight of any object recoverable from water.
All F models are double-sided. DUAL means two connected F200 holders: approximately 610 kg vertical pull and 76–82 kg side pull. Use a side eyelet for dragging and a top eyelet for vertical retrieval. The new F300 has M10 threads throughout; the old F300 has a top M10 thread and side M8 threads. Double-sided does not mean 360°.
The magnet is glued into a solid steel cup and sealed with epoxy resin, protecting it from water. Avoid throwing the magnet against bridge pillars or hard obstacles. Maintenance (e.g., WD-40) prevents surface corrosion of the steel housing.
Check the product title and description to see if you are buying just the magnet or the XL set. In the package, you will find everything needed: strong rope (e.g., 20m), gloves, and hardware. Using thread glue is crucial to not lose the magnet in silt.
It is a technical parameter defining perpendicular break force, not the weight of an object in water. Dirt, rust, paint, and algae create a distance that weakens the magnet by even 70-80%. A large power reserve is essential in real search conditions.
If you find a dangerous object (unexploded ordnance) or an antique, you have a legal obligation to report it to appropriate services (Police, conservator). We recommend familiarizing yourself with current local regulations and heritage protection laws.
In contrast to many market offers, Dhit does not cut corners on components, which translates into a better results during treasure hunting.
As a result, despite the market price, the mechanical durability of the Dhit product positions it a step above the competition.
It is worth remembering that the same mount pulled by the lateral point can actually show only a fraction of power instead of the declared 200 kg. GOLD mounts guarantees full transparency by providing the real parameters of the gear, so you avoid disappointment during treasure hunting.
GOLD search mounts are available in several variants for different conditions. Compare the dimensions, mounting points and pull forces in the product cards before choosing a model.

Pros and cons of neodymium magnets.

Pros

Besides their high retention, neodymium magnets are valued for these benefits:
  • They do not lose power, even during around ten years – the drop in power is only ~1% (theoretically),
  • They are extremely resistant to demagnetization induced by external magnetic fields,
  • The use of an elegant layer of noble metals (nickel, gold, silver) causes the element to present itself better,
  • Neodymium magnets achieve maximum magnetic induction on a their surface, which allows for strong attraction,
  • Thanks to resistance to high temperature, they are able to function (depending on the shape) even at temperatures up to 230°C and higher...
  • In view of the possibility of accurate shaping and adaptation to individualized requirements, neodymium magnets can be created in a variety of forms and dimensions, which expands the range of possible applications,
  • Wide application in modern technologies – they find application in magnetic memories, brushless drives, advanced medical instruments, as well as modern systems.
  • Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of neodymium magnets:
  • At very strong impacts they can crack, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Heat sensitivity: observe the temperature specified for this product. Overheating may permanently weaken the magnet.
  • They rust in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • We recommend casing - magnetic holder, due to difficulties in producing nuts inside the magnet and complicated forms.
  • Health risk resulting from small fragments of magnets are risky, when accidentally swallowed, which gains importance in the context of child health protection. Furthermore, small components of these products are able to complicate diagnosis medical in case of swallowing.
  • Due to neodymium price, their price is higher than average,

Holding force characteristics

Maximum holding power of the magnet – what it depends on?

The load parameter shown represents the peak performance, recorded under laboratory conditions, specifically:
  • on a plate made of structural steel, optimally conducting the magnetic field
  • possessing a massiveness of min. 10 mm to avoid saturation
  • with a surface cleaned and smooth
  • under conditions of gap-free contact (surface-to-surface)
  • for force acting at a right angle (in the magnet axis)
  • in temp. approx. 20°C

Practical aspects of lifting capacity – factors

It is worth knowing that the working load may be lower subject to elements below, starting with the most relevant:
  • Space between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Load vector – highest force is obtained only during perpendicular pulling. The force required to slide of the magnet along the plate is typically several times smaller (approx. 1/5 of the lifting capacity).
  • Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
  • Material type – the best choice is pure iron steel. Cast iron may attract less.
  • Surface condition – ground elements guarantee perfect abutment, which improves field saturation. Uneven metal weaken the grip.
  • Temperature influence – hot environment reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under parallel forces the load capacity is reduced by as much as 75%. Moreover, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.

Safety rules for work with NdFeB magnets
Sensitization to coating

Medical facts indicate that nickel (the usual finish) is a strong allergen. If you have an allergy, refrain from touching magnets with bare hands or opt for coated magnets.

Serious injuries

Mind your fingers. Two powerful magnets will snap together instantly with a force of massive weight, crushing anything in their path. Exercise extreme caution!

Magnetic interference

A powerful magnetic field disrupts the operation of compasses in smartphones and GPS navigation. Maintain magnets near a smartphone to prevent damaging the sensors.

Dust explosion hazard

Fire warning: Neodymium dust is highly flammable. Do not process magnets in home conditions as this may cause fire.

Handling rules

Handle with care. Rare earth magnets attract from a long distance and connect with huge force, often faster than you can react.

Implant safety

Health Alert: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have medical devices.

Electronic devices

Device Safety: Neodymium magnets can ruin data carriers and sensitive devices (pacemakers, medical aids, timepieces).

Adults only

Absolutely store magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets clamping inside the body are fatal.

Shattering risk

NdFeB magnets are ceramic materials, meaning they are very brittle. Clashing of two magnets leads to them shattering into small pieces.

Maximum temperature

Control the heat. Exposing the magnet to high heat will permanently weaken its magnetic structure and pulling force.

Security! Looking for details? Read our article: Why are neodymium magnets dangerous?