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UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread

magnetic holder external thread

Catalog no 190416

GTIN/EAN: 5906301813873

5.00
Load capacity 140.00 kg / 1372.93 N
Diameter Ø
60 mm [±1 mm]
Height
30 mm [±1 mm]
Height
15 mm [±1 mm]
Weight
260 g
Coating
[NiCuNi] Nickel
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102.95 zł with VAT / pcs + price for transport

83.70 zł net + 23% VAT / pcs

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Product card - UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread

Specification / characteristics - UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread

properties
properties values
Cat. no. 190416
GTIN/EAN 5906301813873
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 30 mm [±1 mm]
Height 15 mm [±1 mm]
Weight 260 g
Load capacity ~ ? 140.00 kg / 1372.93 N
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UMGZ 60x30x15 [M10] GZ / N38 - magnetic holder external thread
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 and environmental data

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%

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: 190416-2026
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A magnet with a built-in screw is great for screwing with a nut to housings, profiles, and flat bars. Mounting consists of inserting the screw into the hole and securing with a nut (e.g., wing nut). Used for mounting sensors, panels, plates, and exhibition elements.
The screw is solidly seated in the cup, however, moderation must be maintained when tightening the nut. Do not use the magnet as a structural bolt transferring huge mechanical loads in shear. The magnet itself is protected by a steel cup and is very resistant to impact.
Above this temperature, the magnet may irreversibly lose some of its power. For furnaces, dryers, and powder coating shops, we recommend other types of magnets. Avoid mounting directly on hot engine or machine components.
We use standardized threads that fit typical nuts available in every store. Exact screw dimensions can be found in the product technical table. It is a solid threaded connection, ready for use.
Thanks to shielding the sides and top, all magnet power is directed downwards, giving higher capacity than a bare magnet. However, such a system works point-wise and requires direct contact with metal.

Strengths as well as weaknesses of Nd2Fe14B magnets.

Strengths

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They have stable power, and over nearly 10 years their attraction force decreases symbolically – ~1% (according to theory),
  • Magnets effectively protect themselves against loss of magnetization caused by external fields,
  • Thanks to the shimmering finish, the coating of nickel, gold-plated, or silver-plated gives an aesthetic appearance,
  • They feature high magnetic induction at the operating surface, which increases their power,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
  • Possibility of precise modeling as well as adapting to defined applications,
  • Huge importance in high-tech industry – they are commonly used in hard drives, electromotive mechanisms, advanced medical instruments, also modern systems.
  • Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,

Disadvantages

Drawbacks and weaknesses of neodymium magnets and ways of using them
  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
  • Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 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, in case of application outdoors
  • Limited possibility of making nuts in the magnet and complex shapes - recommended is a housing - magnet mounting.
  • Health risk related to microscopic parts of magnets can be dangerous, if swallowed, which becomes key in the context of child health protection. Furthermore, small components of these magnets can be problematic in diagnostics medical after entering the body.
  • With mass production the cost of neodymium magnets is a challenge,

Holding force characteristics

Highest magnetic holding force – what affects it?

Breakaway force was determined for the most favorable conditions, including:
  • with the contact of a yoke made of low-carbon steel, ensuring maximum field concentration
  • with a thickness no less than 10 mm
  • characterized by lack of roughness
  • under conditions of no distance (surface-to-surface)
  • for force acting at a right angle (in the magnet axis)
  • in temp. approx. 20°C

Practical aspects of lifting capacity – factors

Bear in mind that the application force will differ subject to the following factors, starting with the most relevant:
  • Distance – the presence of foreign body (rust, tape, air) acts as an insulator, which lowers capacity steeply (even by 50% at 0.5 mm).
  • Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of nominal force).
  • Steel thickness – insufficiently thick plate causes magnetic saturation, causing part of the power to be lost into the air.
  • Material composition – different alloys attracts identically. Alloy additives weaken the interaction with the magnet.
  • Base smoothness – the more even the plate, the larger the contact zone and higher the lifting capacity. Roughness acts like micro-gaps.
  • Operating temperature – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, in contrast under parallel forces the holding force is lower. Additionally, even a slight gap between the magnet and the plate reduces the lifting capacity.

Safety rules for work with neodymium magnets
No play value

These products are not suitable for play. Eating multiple magnets can lead to them connecting inside the digestive tract, which poses a critical condition and necessitates urgent medical intervention.

Hand protection

Mind your fingers. Two large magnets will snap together instantly with a force of massive weight, destroying anything in their path. Be careful!

Power loss in heat

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

Dust explosion hazard

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

Safe operation

Exercise caution. Neodymium magnets attract from a distance and snap with massive power, often faster than you can move away.

Magnetic interference

Note: rare earth magnets generate a field that confuses precision electronics. Maintain a safe distance from your phone, device, and navigation systems.

Magnet fragility

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

Allergic reactions

It is widely known that the nickel plating (standard magnet coating) is a common allergen. If you have an allergy, avoid direct skin contact or choose encased magnets.

Data carriers

Device Safety: Strong magnets can ruin data carriers and delicate electronics (pacemakers, medical aids, timepieces).

Danger to pacemakers

Life threat: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have medical devices.

Attention! Looking for details? Check our post: Why are neodymium magnets dangerous?