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UI 39x9x7 [BA] - badge holder

badge holder

Catalog no 150340

GTIN/EAN: 5906301813606

5.00
length
39 mm [±1 mm]
Width
9 mm [±1 mm]
Height
7 mm [±1 mm]
Weight
1 g

How we measure these parameters — certificates and measurements

technical details »

0.750 zł net / pcs

0.923 zł with VAT (23% VAT) / pcs

price for transport

bulk discounts:

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price from 500 pcs
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Frequently asked questions

What badge size fits these holders - will a standard 86x54 mm card work?
Yes, a standard credit-card-size badge of 86x54 mm fits without any issue - this is the most common format for staff and conference badges. The real limit is the steel plate itself: the badge should not be larger than the plate, otherwise the corners overhang and the 3M tape loses grip faster at the edges. Smaller name tags and cards work just as well as long as they fit within the plate's outline. The card format is up to the customer - we only supply the magnetic clasp that attaches to the back of the badge.
We already have lanyard or pin badges. Can they be converted to magnetic ones?
Yes, and this is the most common way our clasps get used - there is no need to order new badges. The clip or pin is removed from the existing badge, and the steel plate that comes with the clasp is stuck on in its place using the included 3M tape. The only condition is a flat, clean back surface for the tape to bond to. PVC cards, plastic inserts and laminated name tags all work without any extra preparation, and converting one badge takes just a moment.
What should a staff badge show, and does it have to carry a surname?
The scope of information on a staff badge is decided by the employer, not by any fixed template - many companies print only a first name and job title, leaving out the surname to limit the personal data visible to customers. This is a data protection decision, so it is worth checking with whoever handles data compliance in the company rather than following a generic pattern. We have no influence on the badge content and do not print it ourselves - we only supply the magnetic clasp that holds the finished badge on clothing.
Can the badge be swapped, for example on a change of role or for a conference?
Yes, the steel plate stays glued to the badge permanently, but the magnetic strip detaches from it at any time - it simply unclips from the plate. When a role or surname changes, the simplest approach is to print a new badge and stick a new plate to it, reusing the same magnetic strip. For one-off events like conferences or training sessions, the same set of clasps can be reused with different badges each time - the plates are inexpensive and are ordered separately from the magnetic strip.
Will the badge rotate, and is it readable from a distance at a counter or reception?
Two-point models such as C321 or C323 hold a badge steadier than a single magnet, since the card rests on two axes and does not spin freely with faster movement. Readability at a distance, however, depends mainly on the badge design itself - font size and contrast - rather than on the clasp, so it is worth using larger print for badges meant to be read at a reception desk or counter. The clasp's job is simply to keep the card from falling and hold it straight on the clothing.
Pacemaker, hearing aid, contactless card - what about safety when wearing the badge?
People with a pacemaker or any other implanted electronic device should not wear a magnetic badge clasp on the chest - this is a rule that cannot be worked around with a different housing or a weaker magnet, and such a person should be given a lanyard or pin badge instead. Contactless RFID cards and magnetic stripes on badges can be demagnetised by prolonged direct contact with a magnet, so it is best not to store them in the same pocket as the clasp. Hearing aids worn close to the chest are worth checking individually with the device manufacturer.
We are ordering badges for a whole team. How many holders to count and what to order with them?
The number of clasps should match the number of people on the team, plus a small spare stock in case a plate is lost or damaged - the badges themselves (cards, name tags, printing) are ordered separately, outside our offer, since we only supply the mounting mechanism. Each clasp already comes with a steel plate and 3M tape, so there is no need to order that separately. It is worth standardising on one model across the team - larger badges or heavier holders work better with a two-magnet version, while light name tags are fine with a single mounting point.

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 of the product - UI 39x9x7 [BA] - badge holder

Specification / characteristics - UI 39x9x7 [BA] - badge holder

properties
properties values
Cat. no. 150340
GTIN/EAN 5906301813606
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 39 mm [±1 mm]
Width 9 mm [±1 mm]
Height 7 mm [±1 mm]
Weight 1 g
Manufacturing Tolerance ±1 mm

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
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%

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: 150340-2026
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The magnetic holder is safe for delicate fabrics, expensive suits, silk, and shirts. This ensures elegance and wearing comfort, without the risk of pricking yourself or ruining clothes. It is the most frequently chosen type of fastening in corporations, hotels, and banks.
The set includes a strip with magnets (put under clothes) and a steel plate with tape (on the outside). You stick your badge on the plate, and the magnet holds it through the clothing material. Magnets are hidden in an aesthetic plastic housing that does not irritate the skin.
Thanks to the use of neodymium, the holder securely grips through a jacket, thick sweater, fleece, or coat. A larger number of magnetic points prevents the badge from twisting.
For people with a pacemaker, we recommend traditional fasteners on a lanyard, clip, or safe pin. Healthy users can use badges without worrying about their well-being.
We have large warehouse stocks in Poland, allowing for fast fulfillment of orders for companies (even thousands of pieces). You can order samples to check the quality before a larger purchase.

Advantages as well as disadvantages of neodymium magnets.

Advantages

Apart from their superior magnetic energy, neodymium magnets have these key benefits:
  • They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (according to literature),
  • Neodymium magnets prove to be extremely resistant to demagnetization caused by external field sources,
  • Thanks to the metallic finish, the coating of Ni-Cu-Ni, gold, or silver gives an professional appearance,
  • Magnetic induction on the working layer of the magnet turns out to be very high,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Possibility of detailed creating as well as adapting to complex conditions,
  • Wide application in future technologies – they find application in mass storage devices, electromotive mechanisms, diagnostic systems, as well as technologically advanced constructions.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in small systems

Limitations

Drawbacks and weaknesses of neodymium magnets: tips and applications.
  • To avoid cracks under impact, we recommend using special steel holders. Such a solution protects the magnet and simultaneously improves its durability.
  • Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • Limited possibility of making nuts in the magnet and complex forms - preferred is casing - mounting mechanism.
  • Potential hazard to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these devices are able to disrupt the diagnostic process medical when they are in the body.
  • High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities

Pull force analysis

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

Holding force of 0.00 kg is a measurement result performed under the following configuration:
  • with the use of a yoke made of low-carbon steel, guaranteeing maximum field concentration
  • with a thickness of at least 10 mm
  • with a surface perfectly flat
  • under conditions of gap-free contact (metal-to-metal)
  • during detachment in a direction perpendicular to the mounting surface
  • in stable room temperature

Lifting capacity in practice – influencing factors

Please note that the working load may be lower influenced by elements below, in order of importance:
  • Distance – existence of any layer (paint, dirt, air) interrupts the magnetic circuit, which reduces capacity rapidly (even by 50% at 0.5 mm).
  • Angle of force application – maximum parameter is obtained only during perpendicular pulling. The shear force of the magnet along the plate is typically several times smaller (approx. 1/5 of the lifting capacity).
  • Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
  • Material composition – different alloys attracts identically. High carbon content worsen the attraction effect.
  • Smoothness – ideal contact is possible only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
  • Thermal environment – heating the magnet results in weakening of force. It is worth remembering the thermal limit for a given model.

Lifting capacity testing was carried out on a smooth plate of optimal thickness, under perpendicular forces, however under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet and the plate reduces the holding force.

Safety rules for work with NdFeB magnets
Crushing risk

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

Permanent damage

Do not overheat. Neodymium magnets are sensitive to temperature. If you require resistance above 80°C, inquire about HT versions (H, SH, UH).

Skin irritation risks

Allergy Notice: The Ni-Cu-Ni coating consists of nickel. If redness appears, immediately stop handling magnets and use protective gear.

Electronic hazard

Do not bring magnets close to a wallet, laptop, or TV. The magnetism can destroy these devices and wipe information from cards.

ICD Warning

Warning for patients: Powerful magnets disrupt electronics. Maintain minimum 30 cm distance or request help to handle the magnets.

Fragile material

Neodymium magnets are sintered ceramics, which means they are prone to chipping. Collision of two magnets will cause them breaking into shards.

Combustion hazard

Mechanical processing of NdFeB material poses a fire risk. Neodymium dust reacts violently with oxygen and is hard to extinguish.

Phone sensors

Be aware: rare earth magnets generate a field that disrupts sensitive sensors. Keep a safe distance from your phone, device, and GPS.

Choking Hazard

Neodymium magnets are not intended for children. Accidental ingestion of a few magnets may result in them pinching intestinal walls, which constitutes a direct threat to life and requires immediate surgery.

Conscious usage

Be careful. Neodymium magnets attract from a long distance and snap with huge force, often faster than you can react.

Important! Details about hazards in the article: Safety of working with magnets.