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

channel magnetic holder

Catalog no 360485

GTIN/EAN: 5906301814849

5.00
Load capacity 4.00 kg / 39.23 N
Diameter Ø
10 mm [±1 mm]
Height
13.5 mm [±1 mm]
Weight
4.5 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel
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3.39 zł with VAT / pcs + price for transport

2.76 zł net + 23% VAT / pcs

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Technical details - 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

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: 360485-2026
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Thanks to two poles on one plane, this holder holds much stronger than a regular block magnet of the same size. They are widely used in industry for fixing guards, flaps, doors, and in robot grippers.
These holders usually have one or two mounting holes with a chamfer (conical), which allows their stable screwing. Thanks to the flat construction, they are great for surface mounting without milling.
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.
Magnets are shielded on three sides by steel, increasing their lifespan and crack resistance. They are ideal for heavy doors, machine flaps, molds, and fastening systems in industry.
The product is intended mainly for indoor use (dry rooms). With constant contact with water, corrosion may appear, so we do not recommend them for work in rain without additional protection.

Pros and cons of Nd2Fe14B magnets.

Strengths

Besides their immense magnetic power, neodymium magnets offer the following advantages:
  • They have stable power, and over nearly ten years their performance decreases symbolically – ~1% (according to theory),
  • They maintain their magnetic properties even under close interference source,
  • The use of an metallic coating of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
  • They feature high magnetic induction at the operating surface, which affects their effectiveness,
  • Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the shape) even at a temperature of 230°C or more...
  • Thanks to freedom in forming and the capacity to adapt to unusual requirements,
  • Fundamental importance in modern industrial fields – they are commonly used in mass storage devices, brushless drives, precision medical tools, and modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in miniature devices

Disadvantages

Cons of neodymium magnets and ways of using them
  • To avoid cracks under impact, we suggest using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
  • When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their strength 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 start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation as well as corrosion.
  • Due to limitations in realizing threads and complex shapes in magnets, we propose using a housing - magnetic mechanism.
  • Health risk resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the context of child safety. Additionally, small elements of these products can complicate diagnosis medical when they are in the body.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what affects it?

The force parameter is a result of laboratory testing conducted under standard conditions:
  • with the application of a yoke made of low-carbon steel, guaranteeing maximum field concentration
  • possessing a massiveness of minimum 10 mm to ensure full flux closure
  • with an ground contact surface
  • without any air gap between the magnet and steel
  • for force applied at a right angle (pull-off, not shear)
  • at ambient temperature approx. 20 degrees Celsius

Practical aspects of lifting capacity – factors

Bear in mind that the working load will differ depending on elements below, starting with the most relevant:
  • Gap between magnet and steel – every millimeter of separation (caused e.g. by varnish or dirt) significantly weakens 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 resistance to sliding of the magnet along the surface is usually many times lower (approx. 1/5 of the lifting capacity).
  • Steel thickness – too thin plate causes magnetic saturation, causing part of the flux to be wasted to the other side.
  • Metal type – different alloys attracts identically. Alloy additives weaken the interaction with the magnet.
  • Base smoothness – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
  • Operating temperature – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).

Lifting capacity was measured by applying a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the load capacity is reduced by as much as fivefold. In addition, even a minimal clearance between the magnet and the plate reduces the load capacity.

Safe handling of neodymium magnets
Pacemakers

Patients with a heart stimulator should keep an safe separation from magnets. The magnetic field can disrupt the functioning of the life-saving device.

Material brittleness

Neodymium magnets are sintered ceramics, which means they are very brittle. Impact of two magnets leads to them breaking into shards.

Conscious usage

Use magnets consciously. Their powerful strength can shock even experienced users. Be vigilant and do not underestimate their force.

Maximum temperature

Standard neodymium magnets (N-type) lose magnetization when the temperature goes above 80°C. The loss of strength is permanent.

Serious injuries

Mind your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, destroying anything in their path. Exercise extreme caution!

GPS and phone interference

Remember: neodymium magnets generate a field that interferes with sensitive sensors. Maintain a separation from your phone, tablet, and GPS.

Product not for children

Strictly store magnets away from children. Choking hazard is high, and the consequences of magnets clamping inside the body are life-threatening.

Sensitization to coating

Studies show that the nickel plating (the usual finish) is a strong allergen. If your skin reacts to metals, prevent touching magnets with bare hands and choose encased magnets.

Mechanical processing

Drilling and cutting of neodymium magnets poses a fire hazard. Neodymium dust reacts violently with oxygen and is hard to extinguish.

Cards and drives

Device Safety: Neodymium magnets can ruin data carriers and delicate electronics (pacemakers, medical aids, mechanical watches).

Danger! Details about risks in the article: Safety of working with magnets.