Button KAPPA (DUR)
| Articles: | DUR |
| Button type: | Ring-Spring Snap |
| Brand: | YKK |
| Country of Origin: | Japan |
Button YKK DUR (Kappa) – this button is designed for products made of dense fabrics, technical textiles and leather. Thanks to the ring-shaped spring, the button meets the requirements of strong and super strong (SS) button opening/closing function. Since its action is stronger than the Alpha button, it is suitable for installation on heavy and dense fabrics.
Metal latches are equipped with annular springs in the socket part. The ring-type springs open up to allow the button to be fastened. It is made of stainless steel.
A variety of color coatings nickel, gold, antique, bronze and others give the products a traditionally noble look.
Button (clasp) Kappa consists of four parts (Cap, Socket, Stud, Post). In the future, they are connected using a press. To install these buttons, we offer special dies and a press, which you can purchase from us.
Also on the cap of the button (Cap) you can put your logo, which will make your accessories unique.
Advantages:
- Sports design
- Reliability
- Durability
Application:
- Outerwear
- Overalls
- Military clothing and equipment
- Clothing for sports and leisure
- Leather accessories
- Leather clothes
YKK DUR (Kappa) button is a type of spring-loaded button made of brass alloy. This series belongs to the DUR line – an abbreviation for the English word Durable, which means “strong”, “long-lasting”.
The button itself consists of four elements:
- The upper part (Cap) is the front decorative part of the button – the hat.
- The counter part (Socket) is the element that fixes the hat.
- Mushroom-shaped leg (Stud).
- The lower part (Post) is closing part, providing a tight fit.
The DUR button differs from standard buttons in its special fixation system and increased strength, due to which it is used in products designed for heavy loads: jackets, backpacks, bags, work and military clothing.
Advantages
- High quality materials
YKK DUR buttons are made of high-quality brass alloy, resistant to corrosion and mechanical damage. They are not afraid of moisture, temperature changes and aggressive external environment. The buttons do not rust and do not oxidize.
- Durability and reliability
The button is designed for a large number of fastening/unfastening cycles. The reliable design eliminates spontaneous unfastening, which is especially important for outerwear and tactical equipment.
- Variety of designs and sizes
YKK offers a wide range of mouthguards – decorative button caps. The mouthguard can be smooth, matte, shiny, painted or with a brand logo. This allows you to use the button as a functional and stylistic element.
- Versatility of use
The DUR button is suitable for both light and thick fabrics, leather, suede and even some types of synthetics. It is in demand in various industries: from the fashion industry to technical textiles.
Application
- Clothing
- Outerwear (jackets, coats, windbreakers)
- Work and special clothing
- Denim products
- Military and tactical uniform
- Accessories
- Backpacks and bags
- Covers and organizers
- Belts and pouches
- Footwear and equipment
The YKK DUR button is often used in footwear, especially in boots with valves or in fastening systems on the shaft.
Technical specifications
- Material: brass or stainless steel
- Diameter of the mouthguard: from 10 mm to 25 mm (depending on the model)
- Type of coating: matte, shiny, colored, with anti-corrosion treatment
- Colors: nickel, black nickel, old bronze, gold, antique copper, etc.
- Type of fastening: on a pneumatic press or with a manual press
DUR buttons are designed for a load of up to 80-100 Newton, which ensures reliable adhesion even under intensive use.
Installation
Proper installation of the button requires specialized equipment:
- Button press (manual or pneumatic)
- A set of nozzles (dies) corresponding to the button diameter
- Accurate calculation of the pressure force so as not to damage the fabric and the button
It is important to remember that incorrect installation can lead to displacement or weak fixation. Therefore, it is better to entrust the process to professionals or use proven technologies.
How to choose a YKK DUR (Kappa) button
When choosing a button, consider:
- Purpose of the product (everyday, technical, professional)
- Type of fabric (thin, thick, leather)
- Desired design (cap shape, color, branding)
- Type of installation (possibility of self-installation or need for industrial equipment)
It is recommended to buy products only from official YKK distributors to avoid counterfeiting and preserve the declared properties of the button.
Conclusion
The YKK DUR (Kappa) button is a reliable piece of hardware that combines strength, aesthetics and convenience. It is ideal for both home and professional wear, providing durability and comfort in use.