UMS 60x18x8.5x15 / N38 - conical magnetic holder

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UMS 60x18x8.5x15 / N38 - conical magnetic 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

conical magnetic holder

Catalog no 220404

GTIN/EAN: 5906301814238

5.00

Diameter Ø

60 mm [±1 mm]

cone dimension Ø

18x8.5 mm [±1 mm]

Height

15 mm [±1 mm]

Weight

250 g

Magnetization Direction

↑ axial

Load capacity

112.00 kg / 1098.34 N

Coating

[NiCuNi] Nickel

check technical specifications »

62.78 ZŁ with VAT / pcs + price for transport

51.04 ZŁ net + 23% VAT / pcs

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Technical details - UMS 60x18x8.5x15 / N38 - conical magnetic holder

Specification / characteristics - UMS 60x18x8.5x15 / N38 - conical magnetic holder

properties

properties	values
Cat. no.	220404
GTIN/EAN	5906301814238
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]
cone dimension Ø	18x8.5 mm [±1 mm]
Height	15 mm [±1 mm]
Weight	250 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 UMS 60x18x8.5x15 / N38 - conical magnetic 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

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%

Environmental data

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: 220404-2026

Measurement Calculator

Pulling force

Newtons (N)

Force in lbs

Field Strength

Gauss (Gs)

Induction (T)

Put a figure in just one slot to get results for all other fields at once.

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This type of holder is perfect for mounting magnetic latches in cabinets, doors, and flaps. The ability to flush the screw with the magnet surface allows for perfect closing without gaps. The steel cup strengthens the magnet force and protects it from cracking upon impact.

Despite the steel housing, the magnet itself is prone to cracking under strong point pressure. We recommend tightening manually with feeling (screwdriver), not an impact driver. Using too large a countersunk screw may cause the magnetic ring to crack.

Two identical magnets (e.g., both N) bought randomly will repel each other with mounting sides. Often a more convenient and cheaper solution is using one magnet and a steel washer (plate) as an armature. Mounting a magnet to a plate eliminates the problem of matching poles and is easier.

This force is measured in ideal laboratory conditions when pulling at a 90-degree angle. In practice, when mounted on a wall (shear force), the magnet will hold significantly less (approx. 20-30% of nominal). When selecting a magnet for a cabinet, remember that the air gap (e.g., bumpers, seals) weakens the grip.

A magnet in a housing is stronger on one side (from the chamfer side) than a bare magnet of the same dimensions. Furthermore, steel protects the brittle neodymium from mechanical damage when closing cabinets (impacts). The countersunk holder is a professional mounting solution with increased durability.

Advantages as well as disadvantages of rare earth magnets.

Strengths

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

They do not lose strength, even during around 10 years – the drop in strength is only ~1% (theoretically),
Magnets effectively protect themselves against demagnetization caused by foreign field sources,
By covering with a shiny coating of silver, the element gains an elegant look,
They are known for high magnetic induction at the operating surface, which affects their effectiveness,
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 shaping and adjusting to individual applications,
Huge importance in electronics industry – they serve a role in magnetic memories, electromotive mechanisms, medical equipment, and modern systems.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Cons

Disadvantages of neodymium magnets:

They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also increases its resistance to damage
When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
Limited possibility of creating threads in the magnet and complicated forms - recommended is cover - mounting 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 products are able to be problematic in diagnostics medical when they are in the body.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which hinders application in large quantities

Lifting parameters

Maximum holding power of the magnet – what affects it?

The load parameter shown concerns the peak performance, recorded under laboratory conditions, specifically:

on a block made of structural steel, optimally conducting the magnetic flux
possessing a massiveness of min. 10 mm to ensure full flux closure
with a surface perfectly flat
with zero gap (without coatings)
for force acting at a right angle (in the magnet axis)
at ambient temperature approx. 20 degrees Celsius

Impact of factors on magnetic holding capacity in practice

In real-world applications, the actual holding force is determined by several key aspects, listed from crucial:

Clearance – the presence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
Force direction – note that the magnet has greatest strength perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
Base massiveness – too thin steel causes magnetic saturation, causing part of the power to be lost into the air.
Steel grade – ideal substrate is pure iron steel. Cast iron may generate lower lifting capacity.
Surface quality – the smoother and more polished the surface, the better the adhesion and stronger the hold. Unevenness creates an air distance.
Temperature influence – high temperature weakens magnetic field. Too high temperature can permanently damage the magnet.

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under attempts to slide the magnet the load capacity is reduced by as much as 5 times. Additionally, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.

H&S for magnets

Heat warning

Standard neodymium magnets (N-type) lose power when the temperature goes above 80°C. Damage is permanent.

Handling guide

Before use, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.

ICD Warning

People with a heart stimulator should keep an absolute distance from magnets. The magnetic field can interfere with the operation of the implant.

Protective goggles

Neodymium magnets are sintered ceramics, which means they are fragile like glass. Impact of two magnets leads to them cracking into shards.

Skin irritation risks

A percentage of the population experience a hypersensitivity to nickel, which is the typical protective layer for NdFeB magnets. Extended handling might lead to dermatitis. We recommend wear safety gloves.

Combustion hazard

Dust produced during machining of magnets is flammable. Avoid drilling into magnets unless you are an expert.

Swallowing risk

Product intended for adults. Small elements can be swallowed, causing intestinal necrosis. Store out of reach of kids and pets.

Bodily injuries

Pinching hazard: The pulling power is so great that it can cause hematomas, crushing, and broken bones. Use thick gloves.

Cards and drives

Avoid bringing magnets near a purse, laptop, or screen. The magnetism can irreversibly ruin these devices and erase data from cards.

Phone sensors

GPS units and mobile phones are extremely susceptible to magnetism. Direct contact with a strong magnet can decalibrate the internal compass in your phone.

Caution! Learn more about hazards in the article: Safety of working with magnets.

UMS 60x18x8.5x15 / N38 - conical magnetic holder

Technical details - UMS 60x18x8.5x15 / N38 - conical magnetic holder

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Elemental analysis

Environmental data

Pulling force

Field Strength

See more proposals

MW 5x3 / N38 - cylindrical magnet

SM 25x375 [2xM8] / N52 - magnetic separator

KM HF - 34,5 kg - magnetic bracket

SM 32x475 [2xM8] / N52 - magnetic separator

Advantages as well as disadvantages of rare earth magnets.

Strengths

Cons

Lifting parameters

Maximum holding power of the magnet – what affects it?

Impact of factors on magnetic holding capacity in practice

H&S for magnets

Heat warning

Handling guide

ICD Warning

Protective goggles

Skin irritation risks

Combustion hazard

Swallowing risk

Bodily injuries

Cards and drives

Phone sensors

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C