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UMP 94x28 [3xM10] GW F300 GOLD / N38 - search holder

search holder

Catalog no 210447

GTIN/EAN: 5906301814115

5.00

Diameter Ø

94 mm [±1 mm]

Height

28 mm [±1 mm]

Weight

1600 g

Load capacity

330.00 kg / 3236.19 N

Coating

[NiCuNi] Nickel

Magnetic Flux

~ 8 000 Gauss [±5%]

view parameters »

200.00 ZŁ with VAT / pcs + price for transport

162.60 ZŁ net + 23% VAT / pcs

bulk discounts:

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Carbon Footprint – environmental impact GPSR Regulation – product safety
Need help making a decision?

Pick up the phone and ask +48 888 99 98 98 or get in touch via our online form the contact page.
Lifting power as well as structure of magnets can be reviewed with our modular calculator.

Same-day processing for orders placed before 14:00.

💡 Guide: How to choose a decent magnet and not get ripped off?

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

  • 📏 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 details - UMP 94x28 [3xM10] GW F300 GOLD / N38 - search holder

Specification / characteristics - UMP 94x28 [3xM10] GW F300 GOLD / N38 - search holder

properties
properties values
Cat. no. 210447
GTIN/EAN 5906301814115
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 94 mm [±1 mm]
Height 28 mm [±1 mm]
Weight 1600 g
Load capacity ~ ? 330.00 kg / 3236.19 N
Coating [NiCuNi] Nickel
Series GOLD
Holder Type 2 sided
Material Type Structural steel S235 (ferrous)
Magnetic Flux ~ 8 000 Gauss [±5%]
Size/Mount Quantity 3xM10
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UMP 94x28 [3xM10] GW F300 GOLD / N38 - search holder
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 BH max KJ/m
max. temperature ? ≤ 80 °C

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%
Sustainability
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: 210447-2026
Quick Unit Converter
Pulling force
Magnetic Induction
Input a value in any box, and the rest convert on the fly.

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It is worth betting on proven F200, F300, or F550 models from our offer, which guarantee real power. Model UMP 94x28 [3xM10] GW F300 GOLD / N38 offers an optimal weight-to-pull force ratio, which is important for repeated throwing. The choice depends on whether you plan to throw from the shore (double-sided) or from a bridge (single-sided).
The 2xTwo-Side version is more versatile, allowing the eyelet to be mounted in two positions. The side eyelet ensures the magnet doesn't stand sideways or "on edge" during pulling. Single-sided magnets are usually lighter and cheaper but less effective for long throws.
Our holders have a thick steel housing covered with an anti-corrosion layer (chrome, nickel, zinc). Despite solid construction, neodymium is a brittle material and can chip upon very strong impact (e.g., against concrete). After each fishing trip, we recommend rinsing the magnet with fresh water and drying it.
Check the product title and description to see if you are buying just the magnet or the XL set. We often add thread glue to secure the eyelet against unscrewing in water. We recommend always securing the thread with glue or tightening the eyelet firmly before first use.
It is a technical parameter defining perpendicular break force, not the weight of an object in water. The magnet may slide on round elements (bicycle frame) due to the small contact area. A large power reserve is essential in real search conditions.
Searches are allowed as long as you do not interfere with archaeological sites or search for weapons. It is worth acting responsibly, cleaning up after yourself, and caring for the environment by removing fished-out scrap.
Unlike many market offers, Dhit does not cut corners on materials, which translates into a better results during every trip to the water.
Most competitor mounts have thin casings that deform during the first hard impact against concrete or rocks.
You should know that the identical mount pulled by the side hook can actually show as little as a fraction of power instead of the declared 200 kg. Interestingly, in the entire internet, it is hard to find videos demonstrating the real side-pull force of competitor products on the side hook.
{Unlike competitors importing from China, Dhit provides full support and instant warranty help, which gives peace of mind after the purchase. Don't risk it with unknown goods, stick with proven gear that ensures the happiness of every user.

Pros and cons of neodymium magnets.

Advantages

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They retain magnetic properties for nearly ten years – the loss is just ~1% (in theory),
  • They have excellent resistance to magnetism drop due to opposing magnetic fields,
  • By using a reflective layer of silver, the element presents an proper look,
  • Magnetic induction on the working part of the magnet is strong,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for action at temperatures reaching 230°C and above...
  • Thanks to freedom in designing and the ability to customize to specific needs,
  • Versatile presence in modern industrial fields – they serve a role in hard drives, brushless drives, medical equipment, as well as industrial machines.
  • Thanks to their power density, small magnets offer high operating force, in miniature format,

Weaknesses

Drawbacks and weaknesses of neodymium magnets: weaknesses and usage proposals
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a strong case, which not only secures them against impacts but also raises their durability
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 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 stable to moisture, when using outdoors
  • Limited possibility of creating threads in the magnet and complicated shapes - preferred is cover - magnet mounting.
  • Health risk related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child health protection. It is also worth noting that small elements of these products are able to be problematic in diagnostics medical after entering the body.
  • With large orders the cost of neodymium magnets is economically unviable,

Holding force characteristics

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

The declared magnet strength represents the peak performance, obtained under laboratory conditions, specifically:
  • on a block made of mild steel, optimally conducting the magnetic field
  • whose thickness equals approx. 10 mm
  • with a plane cleaned and smooth
  • under conditions of gap-free contact (metal-to-metal)
  • for force acting at a right angle (in the magnet axis)
  • in temp. approx. 20°C

Practical lifting capacity: influencing factors

In practice, the real power results from a number of factors, listed from crucial:
  • Gap between surfaces – every millimeter of separation (caused e.g. by varnish or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Load vector – maximum parameter is available only during pulling at a 90° angle. The force required to slide of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of generating force.
  • Metal type – not every steel attracts identically. High carbon content weaken the attraction effect.
  • Smoothness – full contact is possible only on polished steel. Rough texture reduce the real contact area, weakening the magnet.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity testing was conducted on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet and the plate reduces the holding force.

Safe handling of NdFeB magnets
Do not underestimate power

Before use, read the rules. Sudden snapping can destroy the magnet or hurt your hand. Think ahead.

Fire warning

Dust created during cutting of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.

Medical interference

Life threat: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have electronic implants.

Bone fractures

Large magnets can break fingers in a fraction of a second. Do not place your hand betwixt two attracting surfaces.

Warning for allergy sufferers

Nickel alert: The Ni-Cu-Ni coating contains nickel. If redness happens, cease handling magnets and use protective gear.

Precision electronics

A strong magnetic field negatively affects the operation of compasses in phones and navigation systems. Keep magnets near a device to prevent damaging the sensors.

Magnets are brittle

Protect your eyes. Magnets can fracture upon uncontrolled impact, launching sharp fragments into the air. Eye protection is mandatory.

Heat sensitivity

Regular neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. Damage is permanent.

Electronic hazard

Avoid bringing magnets close to a purse, computer, or TV. The magnetism can destroy these devices and erase data from cards.

This is not a toy

Absolutely keep magnets away from children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are life-threatening.

Important! Learn more about hazards in the article: Safety of working with magnets.