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NCM 10x13.5x5 / N38 - channel magnetic holder

channel magnetic holder

Catalog no 360485

GTIN/EAN: 5906301814849

5.00

Diameter Ø

10 mm [±1 mm]

Height

13.5 mm [±1 mm]

Weight

4.5 g

Magnetization Direction

↑ axial

Load capacity

4.00 kg / 39.23 N

Coating

[NiCuNi] Nickel

3.39 with VAT / pcs + price for transport

2.76 ZŁ net + 23% VAT / pcs

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Technical specification of the product - NCM 10x13.5x5 / N38 - channel magnetic holder

Specification / characteristics - NCM 10x13.5x5 / N38 - channel magnetic holder

properties
properties values
Cat. no. 360485
GTIN/EAN 5906301814849
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 10 mm [±1 mm]
Height 13.5 mm [±1 mm]
Weight 4.5 g
Magnetization Direction ↑ axial
Load capacity ~ ? 4.00 kg / 39.23 N
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics NCM 10x13.5x5 / N38 - channel 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

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%
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: 360485-2025
Measurement Calculator
Pulling force

Field Strength

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Their unique "sandwich" construction (steel-magnet-steel) short-circuits the magnetic field, giving huge force on a small surface. They are characterized by high capacity and resistance to mechanical impacts.
Mounting is done using countersunk head screws, which hide flat in the housing. They can be screwed to wood, walls, aluminum profiles, furniture boards, or plastics.
Channel holders are characterized by an exceptionally high force-to-size ratio. These are some of the strongest solutions for flat mounting available on the market.
The construction is mechanically very robust, allowing use in difficult workshop and industrial conditions. Thanks to solid construction, these holders do not crack as easily as bare neodymium plates.
The product is intended mainly for indoor use (dry rooms). In dry rooms, holders are practically indestructible.

Pros and cons of neodymium magnets.

Benefits

Besides their immense magnetic power, neodymium magnets offer the following advantages:
  • They have unchanged lifting capacity, and over nearly ten years their attraction force decreases symbolically – ~1% (according to theory),
  • They do not lose their magnetic properties even under external field action,
  • In other words, due to the smooth layer of gold, the element is aesthetically pleasing,
  • Neodymium magnets deliver maximum magnetic induction on a contact point, which ensures high operational 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 as well as optimizing to defined needs,
  • Significant place in modern industrial fields – they are used in HDD drives, brushless drives, medical equipment, also other advanced devices.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Disadvantages of neodymium magnets:
  • They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
  • 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 advise using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
  • Limited possibility of making threads in the magnet and complex shapes - preferred is cover - magnetic holder.
  • Possible danger to health – tiny shards of magnets are risky, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Additionally, tiny parts of these devices are able to be problematic in diagnostics medical in case of swallowing.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Highest magnetic holding forcewhat contributes to it?

The force parameter is a theoretical maximum value performed under standard conditions:
  • with the use of a sheet made of special test steel, guaranteeing maximum field concentration
  • whose transverse dimension reaches at least 10 mm
  • characterized by lack of roughness
  • under conditions of ideal adhesion (surface-to-surface)
  • under perpendicular application of breakaway force (90-degree angle)
  • at room temperature

Lifting capacity in real conditions – factors

Please note that the application force will differ influenced by elements below, starting with the most relevant:
  • Distance – existence of any layer (rust, tape, air) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
  • Angle of force application – highest force is available only during perpendicular pulling. The force required to slide of the magnet along the surface is typically many times smaller (approx. 1/5 of the lifting capacity).
  • Element thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Material type – the best choice is high-permeability steel. Stainless steels may generate lower lifting capacity.
  • Surface quality – the smoother and more polished the plate, the larger the contact zone and stronger the hold. Unevenness acts like micro-gaps.
  • Thermal environment – temperature increase causes a temporary drop of induction. Check the maximum operating temperature for a given model.

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate decreases the lifting capacity.

Warnings
Keep away from computers

Intense magnetic fields can corrupt files on payment cards, HDDs, and other magnetic media. Stay away of min. 10 cm.

Avoid contact if allergic

Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If redness occurs, cease working with magnets and wear gloves.

Magnet fragility

Despite metallic appearance, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may crumble into sharp, dangerous pieces.

Permanent damage

Keep cool. NdFeB magnets are sensitive to temperature. If you require resistance above 80°C, inquire about HT versions (H, SH, UH).

Danger to pacemakers

Medical warning: Strong magnets can deactivate pacemakers and defibrillators. Stay away if you have medical devices.

Precision electronics

Remember: rare earth magnets produce a field that confuses precision electronics. Maintain a safe distance from your phone, tablet, and navigation systems.

Crushing risk

Danger of trauma: The pulling power is so great that it can result in blood blisters, pinching, and even bone fractures. Protective gloves are recommended.

Immense force

Handle magnets with awareness. Their powerful strength can surprise even experienced users. Plan your moves and do not underestimate their force.

Keep away from children

Product intended for adults. Tiny parts pose a choking risk, causing serious injuries. Keep out of reach of kids and pets.

Mechanical processing

Fire warning: Rare earth powder is explosive. Do not process magnets without safety gear as this risks ignition.

Caution! Looking for details? Check our post: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98