UMH 48x11x65 [M6] / N38 - magnetic holder with hook

Product available Ships today (order by 14:00)

UMH 48x11x65 [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: PLN 1-6500
Rating: 5

magnetic holder with hook

Catalog no 310430

GTIN/EAN: 5906301814597

5.00

Diameter Ø

48 mm [±1 mm]

Height

65 mm [±1 mm]

Height

11 mm [±1 mm]

Weight

145 g

Magnetization Direction

↑ axial

Load capacity

88.00 kg / 862.99 N

Coating

[NiCuNi] Nickel

product parameters »

68.88 ZŁ with VAT / pcs + price for transport

56.00 ZŁ net + 23% VAT / pcs

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Strength and appearance of magnets can be tested using our magnetic mass calculator.

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Technical - UMH 48x11x65 [M6] / N38 - magnetic holder with hook

Specification / characteristics - UMH 48x11x65 [M6] / N38 - magnetic holder with hook

properties

properties	values
Cat. no.	310430
GTIN/EAN	5906301814597
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	48 mm [±1 mm]
Height	65 mm [±1 mm]
Height	11 mm [±1 mm]
Weight	145 g
Magnetization Direction	↑ axial
Load capacity ~ ?	88.00 kg / 862.99 N
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±1 mm

Magnetic properties of material N38

Specification / characteristics UMH 48x11x65 [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

Technical specification and ecology

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: 310430-2026

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Pulling force

Force (N)

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Holders with a hook are indispensable in large-format stores and warehouses for suspending advertisements (POS systems). It is a universal hanger that you can move to another place at any time without a trace.

The tip is fully demountable - you can unscrew the hook and screw in a bolt, eyelet, or other element in its place. This gives huge application flexibility and allows adapting the holder to current needs.

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.

The cup acts as a magnetic armature, intensifying the neodymium action and increasing efficiency. 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. In home and office conditions, they will serve for many years without signs of wear.

Advantages as well as disadvantages of neodymium magnets.

Advantages

Besides their stability, neodymium magnets are valued for these benefits:

They have unchanged lifting capacity, and over around ten years their performance decreases symbolically – ~1% (in testing),
They are noted for resistance to demagnetization induced by external magnetic fields,
The use of an refined finish of noble metals (nickel, gold, silver) causes the element to present itself better,
The surface of neodymium magnets generates a powerful magnetic field – this is one of their assets,
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...
Thanks to the possibility of flexible forming and customization to specialized projects, NdFeB magnets can be created in a wide range of shapes and sizes, which expands the range of possible applications,
Fundamental importance in innovative solutions – they are commonly used in magnetic memories, motor assemblies, medical devices, as well as modern systems.
Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Limitations

Disadvantages of neodymium magnets:

To avoid cracks under impact, we suggest using special steel holders. Such a solution protects the magnet and simultaneously increases its 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
They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
Limited possibility of making nuts in the magnet and complex shapes - recommended is casing - mounting mechanism.
Potential hazard to health – tiny shards of magnets are risky, if swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these products can disrupt the diagnostic process medical when they are in the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Highest magnetic holding force – what it depends on?

The declared magnet strength represents the maximum value, measured under laboratory conditions, namely:

on a base made of structural steel, effectively closing the magnetic flux
whose thickness reaches at least 10 mm
characterized by lack of roughness
under conditions of gap-free contact (metal-to-metal)
for force applied at a right angle (pull-off, not shear)
at temperature approx. 20 degrees Celsius

Lifting capacity in practice – influencing factors

Effective lifting capacity impacted by working environment parameters, including (from most important):

Space between surfaces – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) drastically reduces the pulling force, often by half at just 0.5 mm.
Angle of force application – maximum parameter is obtained only during pulling at a 90° angle. The shear force of the magnet along the surface is usually many times lower (approx. 1/5 of the lifting capacity).
Base massiveness – too thin plate does not close the flux, causing part of the flux to be escaped into the air.
Material type – ideal substrate is high-permeability steel. Cast iron may attract less.
Plate texture – smooth surfaces guarantee perfect abutment, which increases force. Rough surfaces reduce efficiency.
Thermal factor – high temperature reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity testing was performed on a smooth plate of suitable thickness, under perpendicular forces, whereas under parallel forces the holding force is lower. Additionally, even a small distance between the magnet and the plate lowers the holding force.

Precautions when working with NdFeB magnets

Adults only

Only for adults. Small elements can be swallowed, leading to severe trauma. Keep away from kids and pets.

Mechanical processing

Machining of NdFeB material poses a fire hazard. Neodymium dust reacts violently with oxygen and is hard to extinguish.

Operating temperature

Watch the temperature. Exposing the magnet to high heat will permanently weaken its properties and pulling force.

Magnetic interference

GPS units and mobile phones are highly susceptible to magnetism. Close proximity with a strong magnet can decalibrate the sensors in your phone.

Magnet fragility

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

ICD Warning

For implant holders: Strong magnetic fields disrupt electronics. Maintain minimum 30 cm distance or request help to work with the magnets.

Serious injuries

Pinching hazard: The pulling power is so immense that it can cause blood blisters, crushing, and even bone fractures. Protective gloves are recommended.

Electronic hazard

Data protection: Neodymium magnets can damage data carriers and delicate electronics (pacemakers, hearing aids, timepieces).

Conscious usage

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

Skin irritation risks

Allergy Notice: The nickel-copper-nickel coating contains nickel. If redness appears, cease handling magnets and use protective gear.

Safety First! Looking for details? Check our post: Are neodymium magnets dangerous?

UMH 48x11x65 [M6] / N38 - magnetic holder with hook

Technical - UMH 48x11x65 [M6] / N38 - magnetic holder with hook

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Material specification

Sustainability

Pulling force

Field Strength

See also offers

SMZR 25x100 / N52 - magnetic separator with handle

MPL 30x20x20 / N38 - lamellar magnet

SM 32x175 [2xM8] / N52 - magnetic separator

MW 40x15 / N38 - cylindrical magnet

Advantages as well as disadvantages of neodymium magnets.

Advantages

Limitations

Lifting parameters

Highest magnetic holding force – what it depends on?

Lifting capacity in practice – influencing factors

Precautions when working with NdFeB magnets

Adults only

Mechanical processing

Operating temperature

Magnetic interference

Magnet fragility

ICD Warning

Serious injuries

Electronic hazard

Conscious usage

Skin irritation risks

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C