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UMC 60x9/5x15 / N38 - cylindrical magnetic holder

cylindrical magnetic holder

Catalog no 320413

GTIN/EAN: 5906301814696

Load capacity 95.00 kg / 931.63 N
Diameter
60 mm [±1 mm]
internal diameter Ø
9/5 mm [±1 mm]
Height
15 mm [±1 mm]
Weight
240 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

check parameters »

52.80 zł net / pcs

64.94 zł with VAT (23% VAT) / pcs

price for transport

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Quantity
Net
Gross
price from 1 pcs
52.80 zł
64.94 zł
price from 10 pcs
49.63 zł
61.05 zł
price from 20 pcs
46.46 zł
57.15 zł

Frequently asked questions

How much will a magnetic holder hold in practice?
The catalogue value assumes full contact with smooth steel at least 10 mm thick and a perpendicular pull. Thinner sheet, paint, rust and surface irregularities reduce it considerably: on 1 mm sheet about half remains. Lifting and vertical mounting call for an additional safety margin.
Will a holder work on stainless steel?
Not on austenitic grades 304 and 316 — they are effectively non-magnetic. It will not work on aluminium, copper or brass either. Those materials need a mechanical gripper.
Which coating for which conditions?
Nickel-copper-nickel (NiCuNi) is the standard and covers most applications. Epoxy is used for damp environments and outdoor work, zinc is sufficient for dry interiors. Holders in a steel housing or in rubber also protect the magnet against impact.

Guides from the knowledge base

Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical details - UMC 60x9/5x15 / N38 - cylindrical magnetic holder

Specification / characteristics - UMC 60x9/5x15 / N38 - cylindrical magnetic holder

properties
properties values
Cat. no. 320413
GTIN/EAN 5906301814696
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 60 mm [±1 mm]
internal diameter Ø 9/5 mm [±1 mm]
Height 15 mm [±1 mm]
Weight 240 g
Magnetization Direction ↑ axial
Load capacity ~ ? 95.00 kg / 931.63 N
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UMC 60x9/5x15 / N38 - cylindrical magnetic holder
properties values units
Remanence Br ? 12.2-12.6 kGs
Remanence Br ? 1220-1260 mT
Coercivity bHc ? 10.8-11.5 kOe
Coercivity bHc ? 860-915 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 36-38 BH max MGOe
Energy product BHmax ? 287-303 BH max KJ/m
Maximum working temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°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 310 °C
Curie Temperature TF 590 °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

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: 320413-2026
Measurement Calculator

Pulling force

Magnetic Induction

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They are characterized by point action of the magnetic field exclusively on the front surface. They are used in positioning elements, injection molds, dies, and automation.
Mounting is done by screwing with a bolt from the back of the device or machine. It is a precise, durable solution enabling depth adjustment.
All magnet energy is directed exclusively to the front (active surface), increasing point force. This is a key feature when mounting in steel sockets so the magnet doesn't "stick" to the hole walls during insertion.
The neodymium magnet is deeply embedded (glued) in a solid block of steel or brass, making it very resistant. Thanks to the solid build, the holder withstands repeated impacts and shocks during work cycles.
We recommend making the mounting hole with slight clearance and using glue for certainty. If high precision is required, measure the specific batch with a caliper before machining sockets.

Advantages as well as disadvantages of neodymium magnets.

Benefits

Besides their stability, neodymium magnets are valued for these benefits:
  • Their magnetic field is maintained, and after around 10 years it drops only by ~1% (according to research),
  • Neodymium magnets are distinguished by highly resistant to loss of magnetic properties caused by external interference,
  • By using a lustrous layer of silver, the element has an elegant look,
  • The surface of neodymium magnets generates a strong magnetic field – this is a distinguishing feature,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for functioning at temperatures approaching 230°C and above...
  • Thanks to modularity in forming and the capacity to modify to client solutions,
  • Universal use in electronics industry – they are used in mass storage devices, drive modules, precision medical tools, and industrial machines.
  • Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Disadvantages

Problematic aspects of neodymium magnets and proposals for their use:
  • To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution protects the magnet and simultaneously improves its durability.
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
  • Limited possibility of creating nuts in the magnet and complex forms - recommended is casing - magnetic holder.
  • Health risk resulting from small fragments of magnets can be dangerous, if swallowed, which gains importance in the aspect of protecting the youngest. It is also worth noting that small elements of these magnets are able to complicate diagnosis medical when they are in the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Holding force characteristics

Maximum lifting force for a neodymium magnet – what affects it?

Magnet power was defined for optimal configuration, taking into account:
  • on a base made of mild steel, optimally conducting the magnetic field
  • with a thickness minimum 10 mm
  • characterized by smoothness
  • without any clearance between the magnet and steel
  • under axial application of breakaway force (90-degree angle)
  • at standard ambient temperature

Magnet lifting force in use – key factors

Effective lifting capacity is affected by specific conditions, such as (from priority):
  • Distance (between the magnet and the metal), because even a microscopic distance (e.g. 0.5 mm) leads to a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
  • Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
  • Substrate thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
  • Metal type – not every steel reacts the same. High carbon content weaken the attraction effect.
  • Surface condition – ground elements guarantee perfect abutment, which improves force. Rough surfaces weaken the grip.
  • Temperature – temperature increase causes a temporary drop of induction. It is worth remembering the maximum operating temperature for a given model.

Lifting capacity was determined using a steel plate with a smooth surface of suitable thickness (min. 20 mm), under 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 decreases the holding force.

Warnings
Flammability

Dust generated during cutting of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.

Allergic reactions

Studies show that the nickel plating (the usual finish) is a common allergen. If you have an allergy, prevent touching magnets with bare hands and opt for encased magnets.

Product not for children

Adult use only. Small elements can be swallowed, causing severe trauma. Keep out of reach of kids and pets.

ICD Warning

Individuals with a ICD should maintain an large gap from magnets. The magnetic field can interfere with the functioning of the implant.

Powerful field

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

Maximum temperature

Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. The loss of strength is permanent.

Precision electronics

A strong magnetic field interferes with the operation of magnetometers in smartphones and navigation systems. Do not bring magnets close to a smartphone to avoid damaging the sensors.

Shattering risk

NdFeB magnets are sintered ceramics, meaning they are very brittle. Impact of two magnets leads to them breaking into small pieces.

Finger safety

Pinching hazard: The pulling power is so great that it can result in blood blisters, pinching, and even bone fractures. Use thick gloves.

Keep away from computers

Very strong magnetic fields can destroy records on payment cards, HDDs, and other magnetic media. Maintain a gap of min. 10 cm.

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