UMH 60x15x69 [M8] / N38 - magnetic holder with hook

Product available Ships tomorrow

UMH 60x15x69 [M8] / 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: PLN 1-6500
Rating: 5

magnetic holder with hook

Catalog no 310431

GTIN/EAN: 5906301814603

5.00

Diameter Ø

60 mm [±1 mm]

Height

69 mm [±1 mm]

Height

15 mm [±1 mm]

Weight

300 g

Magnetization Direction

↑ axial

Load capacity

112.00 kg / 1098.34 N

Coating

[NiCuNi] Nickel

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143.91 ZŁ with VAT / pcs + price for transport

117.00 ZŁ net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety

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Lifting power as well as appearance of magnetic components can be estimated using our power calculator.

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Physical properties - UMH 60x15x69 [M8] / N38 - magnetic holder with hook

Specification / characteristics - UMH 60x15x69 [M8] / N38 - magnetic holder with hook

properties

properties	values
Cat. no.	310431
GTIN/EAN	5906301814603
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	60 mm [±1 mm]
Height	69 mm [±1 mm]
Height	15 mm [±1 mm]
Weight	300 g
Magnetization Direction	↑ axial
Load capacity ~ ?	112.00 kg / 1098.34 N
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±1 mm

Magnetic properties of material N38

Specification / characteristics UMH 60x15x69 [M8] / 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

Technical and environmental data

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%

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: 310431-2026

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A hook magnet is an ideal solution for quick mounting of banners, signs, and markings on steel ceiling structures. You can use them to organize wires, hang tools, or clothes on metal racks.

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. For heavy ceiling ads or tools, we recommend choosing a magnet with a considerable power reserve.

Thanks to the metal cover, attraction force is concentrated, which significantly increases capacity compared to a bare magnet. A bare magnet could crack upon sudden application to metal, and the holder is resistant to this.

For outdoor use (in rain), metal hangers may eventually develop a rusty coating over time. Metal elements can rust with constant contact with atmospheric moisture.

Pros as well as cons of Nd₂Fe₁₄B magnets.

Pros

In addition to their pulling strength, neodymium magnets provide the following advantages:

They have stable power, and over more than 10 years their attraction force decreases symbolically – ~1% (according to theory),
They maintain their magnetic properties even under close interference source,
The use of an elegant coating of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
Neodymium magnets create maximum magnetic induction on a contact point, which allows for strong attraction,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
Possibility of precise modeling as well as adapting to complex requirements,
Universal use in modern industrial fields – they are used in computer drives, electromotive mechanisms, medical devices, also complex engineering applications.
Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Weaknesses

Characteristics of disadvantages of neodymium magnets and proposals for their use:

They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also improves its resistance to damage
Neodymium magnets decrease their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures 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 resistant to moisture, in case of application outdoors
Due to limitations in producing nuts and complex forms in magnets, we propose using a housing - magnetic mechanism.
Possible danger related to microscopic parts of magnets pose a threat, in case of ingestion, which gains importance in the aspect of protecting the youngest. Additionally, small components of these devices are able to complicate diagnosis medical after entering the body.
Due to complex production process, their price is higher than average,

Pull force analysis

Highest magnetic holding force – what it depends on?

Breakaway force is the result of a measurement for optimal configuration, including:

on a plate made of mild steel, effectively closing the magnetic field
with a cross-section no less than 10 mm
characterized by smoothness
with direct contact (without paint)
under perpendicular application of breakaway force (90-degree angle)
at room temperature

Impact of factors on magnetic holding capacity in practice

In real-world applications, the actual holding force depends on several key aspects, ranked from crucial:

Distance – existence of foreign body (rust, dirt, air) acts as an insulator, which lowers power rapidly (even by 50% at 0.5 mm).
Force direction – declared lifting capacity refers to detachment vertically. When slipping, the magnet holds much less (typically approx. 20-30% of nominal force).
Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of generating force.
Plate material – low-carbon steel attracts best. Higher carbon content lower magnetic permeability and lifting capacity.
Plate texture – smooth surfaces ensure maximum contact, which increases field saturation. Rough surfaces weaken the grip.
Thermal factor – high temperature weakens pulling force. Too high temperature can permanently demagnetize the magnet.

Lifting capacity was assessed with the use of a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

Warnings

Magnet fragility

Protect your eyes. Magnets can explode upon violent connection, ejecting shards into the air. Wear goggles.

Skin irritation risks

A percentage of the population suffer from a sensitization to Ni, which is the standard coating for neodymium magnets. Prolonged contact might lead to an allergic reaction. We suggest wear protective gloves.

Operating temperature

Watch the temperature. Exposing the magnet above 80 degrees Celsius will ruin its properties and pulling force.

Pacemakers

Medical warning: Strong magnets can turn off heart devices and defibrillators. Stay away if you have medical devices.

Fire risk

Mechanical processing of NdFeB material poses a fire risk. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.

Serious injuries

Risk of injury: The attraction force is so great that it can cause hematomas, pinching, and even bone fractures. Protective gloves are recommended.

Magnetic media

Intense magnetic fields can erase data on payment cards, HDDs, and storage devices. Keep a distance of at least 10 cm.

Phone sensors

A powerful magnetic field interferes with the functioning of compasses in phones and navigation systems. Keep magnets near a device to avoid breaking the sensors.

Do not underestimate power

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

This is not a toy

Absolutely keep magnets away from children. Ingestion danger is high, and the consequences of magnets clamping inside the body are very dangerous.

Attention! Need more info? Check our post: Are neodymium magnets dangerous?

UMH 60x15x69 [M8] / N38 - magnetic holder with hook

Physical properties - UMH 60x15x69 [M8] / N38 - magnetic holder with hook

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Chemical composition

Sustainability

Magnet pull force

Magnetic Field

Other offers

NCM 30x13.5x5 / N38 - channel magnetic holder

SM 32x350 [2xM8] / N42 - magnetic separator

UMN 410x44x15 / N52 - knife holder

UMS 48x18x8.5x11.5 / N38 - conical magnetic holder

Pros as well as cons of Nd2Fe14B magnets.

Pros

Weaknesses

Pull force analysis

Highest magnetic holding force – what it depends on?

Impact of factors on magnetic holding capacity in practice

Warnings

Magnet fragility

Skin irritation risks

Operating temperature

Pacemakers

Fire risk

Serious injuries

Magnetic media

Phone sensors

Do not underestimate power

This is not a toy

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Pros as well as cons of Nd₂Fe₁₄B magnets.