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UMH 32x8x46 [M6] / N38 - magnetic holder with hook

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

magnetic holder with hook

Catalog no 310427

GTIN/EAN: 5906301814566

Diameter Ø

32 mm [±1 mm]

Height

46 mm [±1 mm]

Height

8 mm [±1 mm]

Weight

53 g

Magnetization Direction

↑ axial

Load capacity

38.00 kg / 372.65 N

Coating

[NiCuNi] Nickel

check properties »

22.14 ZŁ with VAT / pcs + price for transport

18.00 ZŁ net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety

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Pick up the phone and ask +48 888 99 98 98 if you prefer drop us a message via our online form the contact section.
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Technical specification - UMH 32x8x46 [M6] / N38 - magnetic holder with hook

Specification / characteristics - UMH 32x8x46 [M6] / N38 - magnetic holder with hook

properties

properties	values
Cat. no.	310427
GTIN/EAN	5906301814566
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	32 mm [±1 mm]
Height	46 mm [±1 mm]
Height	8 mm [±1 mm]
Weight	53 g
Magnetization Direction	↑ axial
Load capacity ~ ?	38.00 kg / 372.65 N
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±1 mm

Magnetic properties of material N38

Specification / characteristics UMH 32x8x46 [M6] / N38 - magnetic holder with hook

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

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%

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: 310427-2025

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Holders with a hook are indispensable in large-format stores and warehouses for suspending advertisements (POS systems). In workshops and garages, they work perfectly for guiding cables or hanging work lighting.

Yes, the hook is an element screwed into a bushing with a metric thread (e.g., M4, M5, M6 - check description). Thanks to this, one magnet can perform many functions - sometimes be a hook, and sometimes a holder for a bolt.

You will get the greatest force by mounting the magnet on a thick, smooth steel surface vertically. If you hang the magnet on a wall, the real capacity is approx. 20-30% of the nominal value.

Thanks to the metal cover, attraction force is concentrated, which significantly increases capacity compared to a bare magnet. The housing ensures mechanical durability, which is important in industrial and assembly conditions.

In the bathroom or kitchen, they will work perfectly, provided they are not directly splashed with water. If you are looking for an outdoor hanger, choose a model in rubberized or plastic housing, which is tight.

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.

Pros

Besides their remarkable magnetic power, neodymium magnets offer the following advantages:

They retain attractive force for around ten years – the drop is just ~1% (according to analyses),
They do not lose their magnetic properties even under external field action,
In other words, due to the smooth surface of gold, the element gains visual value,
Neodymium magnets create maximum magnetic induction on a small area, which allows for strong attraction,
Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the shape) even at a temperature of 230°C or more...
Thanks to flexibility in shaping and the ability to customize to individual projects,
Wide application in modern industrial fields – they are utilized in data components, brushless drives, medical equipment, as well as complex engineering applications.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Cons

Disadvantages of NdFeB magnets:

They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also improves its resistance to damage
NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
When exposed to humidity, magnets start to rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
Limited possibility of producing nuts in the magnet and complex shapes - recommended is a housing - mounting mechanism.
Possible danger resulting from small fragments of magnets pose a threat, in case of ingestion, which gains importance in the context of child health protection. Furthermore, tiny parts of these magnets can disrupt the diagnostic process medical in case of swallowing.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which hinders application in large quantities

Holding force characteristics

Detachment force of the magnet in optimal conditions – what contributes to it?

The load parameter shown concerns the limit force, obtained under ideal test conditions, meaning:

on a block made of structural steel, optimally conducting the magnetic flux
whose transverse dimension is min. 10 mm
with an ideally smooth contact surface
under conditions of ideal adhesion (surface-to-surface)
under perpendicular force vector (90-degree angle)
in temp. approx. 20°C

What influences lifting capacity in practice

During everyday use, the actual lifting capacity is determined by many variables, ranked from crucial:

Clearance – the presence of foreign body (paint, tape, air) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
Load vector – highest force is available only during perpendicular pulling. The shear force of the magnet along the surface is standardly many times lower (approx. 1/5 of the lifting capacity).
Base massiveness – insufficiently thick plate causes magnetic saturation, causing part of the power to be lost to the other side.
Plate material – low-carbon steel attracts best. Alloy admixtures lower magnetic properties and lifting capacity.
Surface finish – full contact is possible only on polished steel. Any scratches and bumps reduce the real contact area, reducing force.
Thermal conditions – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures gain strength (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under shearing force the load capacity is reduced by as much as fivefold. In addition, even a small distance between the magnet and the plate decreases the load capacity.

H&S for magnets

Heat sensitivity

Keep cool. NdFeB magnets are sensitive to heat. If you need operation above 80°C, ask us about HT versions (H, SH, UH).

Physical harm

Protect your hands. Two powerful magnets will join instantly with a force of massive weight, crushing anything in their path. Exercise extreme caution!

Fragile material

Neodymium magnets are ceramic materials, meaning they are prone to chipping. Clashing of two magnets will cause them shattering into small pieces.

Sensitization to coating

Nickel alert: The Ni-Cu-Ni coating contains nickel. If redness occurs, cease handling magnets and wear gloves.

Pacemakers

Health Alert: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.

Threat to electronics

Do not bring magnets close to a purse, computer, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Mechanical processing

Powder generated during grinding of magnets is flammable. Avoid drilling into magnets unless you are an expert.

Do not underestimate power

Before use, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Be predictive.

Compass and GPS

Remember: neodymium magnets produce a field that interferes with sensitive sensors. Maintain a separation from your phone, tablet, and navigation systems.

This is not a toy

Absolutely store magnets away from children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are tragic.

Attention! More info about hazards in the article: Safety of working with magnets.

UMH 32x8x46 [M6] / N38 - magnetic holder with hook

Technical specification - UMH 32x8x46 [M6] / N38 - magnetic holder with hook

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Elemental analysis

Ecology and recycling (GPSR)

Force (pull)

Magnetic Field

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SMZR 32x125 / N52 - magnetic separator with handle

AM ucho [M12] - magnetic accessories

MW 5x15 / N38 - cylindrical magnet

MP 40x20x5 / N38 - ring magnet

Advantages as well as disadvantages of Nd2Fe14B magnets.

Pros

Cons

Holding force characteristics

Detachment force of the magnet in optimal conditions – what contributes to it?

What influences lifting capacity in practice

H&S for magnets

Heat sensitivity

Physical harm

Fragile material

Sensitization to coating

Pacemakers

Threat to electronics

Mechanical processing

Do not underestimate power

Compass and GPS

This is not a toy

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.