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

Product available Ships today (order by 14:00)

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: 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

view specifications »

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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Parameters and structure of a neodymium magnet can be reviewed using our modular calculator.

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Technical - 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%

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: 310431-2025

Measurement Calculator

Force (pull)

Newtons (N)

Force in lbs

Field Strength

Tesla (T)

Input your value in a single slot to receive results in the other fields right away.

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A hook magnet is an ideal solution for quick mounting of banners, signs, and markings on steel ceiling structures. In workshops and garages, they work perfectly for guiding cables or hanging work lighting.

The magnet has a standard threaded socket, which allows replacing the hook with any other accessory with a thread. 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. If you hang the magnet on a wall, the real capacity is approx. 20-30% of the nominal value.

The cup acts as a magnetic armature, intensifying the neodymium action and increasing efficiency. Additionally, steel protects the brittle magnet from cracking upon hitting the ceiling or beam.

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.

Strengths and weaknesses of rare earth magnets.

Strengths

Besides their magnetic performance, neodymium magnets are valued for these benefits:

They do not lose magnetism, even after nearly ten years – the drop in power is only ~1% (theoretically),
They retain their magnetic properties even under external field action,
By using a lustrous coating of silver, the element has an nice look,
Neodymium magnets achieve maximum magnetic induction on a small area, which ensures high operational effectiveness,
Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
Thanks to modularity in forming and the ability to adapt to specific needs,
Significant place in future technologies – they are used in HDD drives, brushless drives, advanced medical instruments, and technologically advanced constructions.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which allows their use in miniature devices

Cons

Problematic aspects of neodymium magnets and ways of using them

To avoid cracks under impact, we recommend using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
NdFeB magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (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 very resistant to heat
When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
Limited possibility of making threads in the magnet and complex forms - recommended is a housing - magnetic holder.
Potential hazard to health – tiny shards of magnets pose a threat, in case of ingestion, which becomes key in the context of child safety. Additionally, small components of these products are able to disrupt the diagnostic process medical when they are in the body.
High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities

Lifting parameters

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

The force parameter is a result of laboratory testing executed under standard conditions:

with the application of a sheet made of low-carbon steel, ensuring full magnetic saturation
whose transverse dimension reaches at least 10 mm
with an ground touching surface
with zero gap (without paint)
for force applied at a right angle (in the magnet axis)
at room temperature

What influences lifting capacity in practice

It is worth knowing that the magnet holding will differ influenced by elements below, in order of importance:

Gap between magnet and steel – every millimeter of distance (caused e.g. by varnish or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the maximum value.
Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
Chemical composition of the base – low-carbon steel gives the best results. Alloy admixtures reduce magnetic properties and lifting capacity.
Surface condition – ground elements guarantee perfect abutment, which improves force. Uneven metal weaken the grip.
Temperature influence – hot environment weakens magnetic field. Too high temperature can permanently demagnetize the magnet.

Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a small distance between the magnet’s surface and the plate reduces the holding force.

H&S for magnets

Material brittleness

Neodymium magnets are sintered ceramics, meaning they are fragile like glass. Collision of two magnets leads to them cracking into shards.

Magnetic media

Intense magnetic fields can corrupt files on payment cards, hard drives, and other magnetic media. Maintain a gap of min. 10 cm.

Handling guide

Handle with care. Rare earth magnets attract from a distance and snap with massive power, often quicker than you can move away.

Choking Hazard

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

Impact on smartphones

An intense magnetic field negatively affects the functioning of magnetometers in smartphones and GPS navigation. Maintain magnets near a device to prevent damaging the sensors.

Thermal limits

Do not overheat. Neodymium magnets are susceptible to heat. If you require operation above 80°C, look for HT versions (H, SH, UH).

Pacemakers

Warning for patients: Strong magnetic fields affect medical devices. Maintain at least 30 cm distance or ask another person to work with the magnets.

Bone fractures

Risk of injury: The attraction force is so immense that it can result in hematomas, crushing, and even bone fractures. Use thick gloves.

Allergic reactions

Some people suffer from a contact allergy to Ni, which is the standard coating for NdFeB magnets. Extended handling may cause skin redness. We recommend wear protective gloves.

Dust is flammable

Combustion risk: Neodymium dust is explosive. Avoid machining magnets without safety gear as this risks ignition.

Safety First! Learn more about risks in the article: Safety of working with magnets.

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

Technical - 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

Ecology and recycling (GPSR)

Force (pull)

Field Strength

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Strengths and weaknesses of rare earth magnets.

Strengths

Cons

Lifting parameters

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

What influences lifting capacity in practice

H&S for magnets

Material brittleness

Magnetic media

Handling guide

Choking Hazard

Impact on smartphones

Thermal limits

Pacemakers

Bone fractures

Allergic reactions

Dust is flammable

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C