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

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

search holder

Catalog no 210446

GTIN/EAN: 5906301814108

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%]

product parameters »

300.00 ZŁ with VAT / pcs + price for transport

243.90 ZŁ net + 23% VAT / pcs

bulk discounts:

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Carbon Footprint – environmental impact GPSR Regulation – product safety

Need advice?

Give us a call +48 22 499 98 98 if you prefer drop us a message by means of form our website.
Weight and form of neodymium magnets can be verified on our magnetic mass calculator.

Orders submitted before 14:00 will be dispatched today!

💡 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 of the product - UMP 94x28 [3xM10] GW F300 GOLD Lina / N38 - search holder

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

properties

properties	values
Cat. no.	210446
GTIN/EAN	5906301814108
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%]
Rope Length	25 m
Rope Capacity	~ 1595 kg
Rope Diameter	Ø 8 mm
Gloves	1 pair
Size/Mount Quantity	3xM10
Manufacturing Tolerance	±1 mm

Magnetic properties of material N38

Specification / characteristics UMP 94x28 [3xM10] GW F300 GOLD Lina / 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

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

Technical and environmental data

Material specification

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: 210446-2026

Magnet Unit Converter

Magnet pull force

Kilograms (kg)

Newtons (N)

Pounds (lbs)

Field Strength

Type data in one of the inputs, and the remaining units convert instantly.

SM 32x500 [2xM8] / N52 - magnetic separator

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UMC 25x6/4x8 / N38 - cylindrical magnetic holder

11.70 ZŁ brutto / pcs

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UMGGW 34x8 [M4] GW / N38 - magnetic holder rubber internal thread

9.84 ZŁ brutto / pcs

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AM ucho [M8] - magnetic accessories

4.92 ZŁ brutto / pcs

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 Lina / N38 offers an optimal weight-to-pull force ratio, which is important for repeated throwing. For beginners, we recommend lighter single-sided models (F80-F200), for advanced users - heavier double-sided (Two-Side) ones.

Double-sided holders (Two-Side) have two active magnetic surfaces and two mounting holes. Top mounting works well when fishing from a bridge, pier, or well (vertical technique). The double-sided version increases search efficiency by 100%.

The magnet is glued into a solid steel cup and sealed with epoxy resin, protecting it from water. The housing significantly increases lifespan but does not make the magnet completely indestructible. 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. 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.

The capacity given in the name (e.g., 330.00 kg) is the maximum value measured in laboratory conditions. In a river, objects are often rusty, silted, or irregular in shape (e.g., pipes), which drastically reduces grip strength. 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). Magnet fishing is an eco-friendly hobby if you clean the river from trash and scrap.

It is the best value because for the identical price, you buy a premium mount that will last for many seasons than budget alternatives.

The unique way of gluing and seating the magnet in the Dhit housing builds a unified structure that absorbs impacts while working on rough surfaces.

You should know that the same mount pulled by the lateral point often has as little as a fraction of strength instead of the promised 200 kg. Interestingly, in the web, there are virtually no recordings demonstrating the actual strength of other brands on the side hook.

{By choosing GOLD mounts, you bet on Polish engineering that knows the conditions of our waters. Instead of risking with random brands, it is better to choose the market leader that cares about the satisfaction of every user.

Pros and cons of rare earth magnets.

Benefits

Apart from their notable holding force, neodymium magnets have these key benefits:

Their magnetic field is maintained, and after around ten years it decreases only by ~1% (theoretically),
Magnets very well resist against loss of magnetization caused by external fields,
By covering with a reflective coating of nickel, the element acquires an modern look,
They show high magnetic induction at the operating surface, making them more effective,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
Thanks to freedom in constructing and the ability to customize to complex applications,
Significant place in advanced technology sectors – they are used in data components, motor assemblies, medical equipment, also other advanced devices.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Cons

Characteristics of disadvantages of neodymium magnets and ways of using them

Brittleness is one of their disadvantages. Upon strong impact they can break. We advise keeping them in a steel housing, which not only secures them against impacts but also raises their durability
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 and 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
Magnets exposed to a humid environment can rust. Therefore while using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
Due to limitations in producing threads and complex forms in magnets, we recommend using a housing - magnetic mechanism.
Possible danger resulting from small fragments of magnets can be dangerous, if swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these magnets can be problematic in diagnostics medical after entering the body.
With mass production the cost of neodymium magnets is economically unviable,

Pull force analysis

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

The declared magnet strength concerns the peak performance, obtained under optimal environment, specifically:

on a block made of mild steel, optimally conducting the magnetic field
with a cross-section of at least 10 mm
with an polished touching surface
with zero gap (without paint)
for force acting at a right angle (pull-off, not shear)
in neutral thermal conditions

Magnet lifting force in use – key factors

Bear in mind that the application force will differ influenced by elements below, starting with the most relevant:

Distance – the presence of foreign body (rust, tape, gap) interrupts the magnetic circuit, which reduces capacity rapidly (even by 50% at 0.5 mm).
Load vector – maximum parameter is reached only during pulling at a 90° angle. The shear force of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
Steel grade – the best choice is high-permeability steel. Hardened steels may attract less.
Surface quality – the more even the surface, the larger the contact zone and stronger the hold. Roughness acts like micro-gaps.
Temperature influence – high temperature reduces magnetic field. Too high temperature can permanently demagnetize the magnet.

Lifting capacity testing was performed on a smooth plate of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the load capacity is reduced by as much as 5 times. In addition, even a minimal clearance between the magnet’s surface and the plate reduces the lifting capacity.

Safe handling of NdFeB magnets

Bodily injuries

Danger of trauma: The pulling power is so immense that it can cause hematomas, pinching, and even bone fractures. Use thick gloves.

GPS and phone interference

A strong magnetic field negatively affects the operation of magnetometers in phones and GPS navigation. Do not bring magnets near a device to prevent breaking the sensors.

Safe distance

Equipment safety: Strong magnets can ruin payment cards and delicate electronics (pacemakers, hearing aids, mechanical watches).

Machining danger

Powder generated during grinding of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Thermal limits

Avoid heat. Neodymium magnets are sensitive to heat. If you need resistance above 80°C, look for special high-temperature series (H, SH, UH).

This is not a toy

These products are not suitable for play. Accidental ingestion of several magnets may result in them attracting across intestines, which poses a direct threat to life and necessitates immediate surgery.

Respect the power

Before use, check safety instructions. Sudden snapping can destroy the magnet or injure your hand. Be predictive.

Fragile material

Despite the nickel coating, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Metal Allergy

Nickel alert: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction occurs, immediately stop handling magnets and use protective gear.

Life threat

Health Alert: Neodymium magnets can deactivate heart devices and defibrillators. Do not approach if you have medical devices.

Warning! Learn more about hazards in the article: Magnet Safety Guide.

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

Technical of the product - UMP 94x28 [3xM10] GW F300 GOLD Lina / N38 - search holder

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Material specification

Sustainability

Magnet pull force

Field Strength

See also offers

SM 32x500 [2xM8] / N52 - magnetic separator

UMC 25x6/4x8 / N38 - cylindrical magnetic holder

UMGGW 34x8 [M4] GW / N38 - magnetic holder rubber internal thread

AM ucho [M8] - magnetic accessories

Pros and cons of rare earth magnets.

Benefits

Cons

Pull force analysis

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

Magnet lifting force in use – key factors

Safe handling of NdFeB magnets

Bodily injuries

GPS and phone interference

Safe distance

Machining danger

Thermal limits

This is not a toy

Respect the power

Fragile material

Metal Allergy

Life threat

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C