FIYU FAST – Biscuit Connector

FIYU FAST – Biscuit Connector


Easy, Safe, and Fast Cabinet Connector. Experience rapid and secure furniture assembly with FIYU® FAST. From 0 to 135° angles, this self-tensioning connector flawlessly joins miter joints and 90° joints. With its detachable design, it offers versatility for various applications. Simplify your assembly process and save time with the innovative FIYU® FAST.


FIYU® FAST – Biscuit Connector

Introducing FIYU® – a pioneering connector system that is designed for ease of connection, safety, speed, and reversibility. This advanced connector system is ideal for a diverse range of applications and allows for connections at angles from 0 to 135 degrees, offering unmatched flexibility in assembly.

FIYU® consists of two key components – FIYU® LOCK and FIYU® FAST. The FIYU® LOCK is a singular piece connector that’s particularly suited for retrofitting shelves. It can independently hold components, simplifying the assembly process, saving time, and reducing costs. For added security, it can be optionally fastened with a clamping screw.

FIYU® FAST, on the other hand, is a self-tensioning cabinet connector capable of firmly yet detachably connecting miter joints and 90° joints. It’s also a great aid in gluing processes.

FIYU® Connector System’s Features and Benefits:

The FIYU® offers immediate stability through its plug-in connection based on a tongue and groove principle. It ensures tight and precise guidance, making both manual and industrial processing easy. The system is stackable, making space utilization optimal. The high clamping force, coupled with the perfect fit, ensures safety and stability due to its high load capacity, making it resistant to two-directional loads.

  • Fast assembly
    • Components simply slide together in seconds.
    • Reduces labor and equipment cost
  • Non-visible connector
    • Appeals to the architect and customer
  • Self-tightening
    • no need to clamp the workpiece during assembly
    • prevents forming of gaps in the joint over time
  • Disassemble
    • Can be assembled and disassembled
  • Gluing aid
    • Very popular to use as a gluing aid, especially useful for miter joints.

The FIYU® connector system is designed for use in cabinets, intermediate shelves, 45° miter joints, partition walls, the installation, and retrofitting of shelves, frames, covers, and profile strips. It is a concealed, self-tightening, and re-assemblable connector that is immediately ready for use.

  • Used for knock-down furniture
  • Used with all wood and board materials
  • Recommended glue to install the connector biscuit and for the joint → KNAPP®-Adhesive PU+ (Z011/1)

FIYU® is suitable for a wide array of applications such as cabinets, intermediate shelves, 45° miter joints, partition walls, the installation, and retrofitting of shelves, frames, covers, and profile strips.

  • Case Goods
  • Architectural Millwork
  • Shop-fitting
  • Furniture
  • Gluing aid

The FIYU® system can be processed with CNC, flat dowel machine, where the depth setting is accurately adjusted, and the plug-in part and holding part are inserted into the milled groove. The connector is then inserted flush with the edges, and the components are pushed into place.

Material and Mounting:

FIYU® LOCK is compatible with all woods and synthetic materials, starting from a panel thickness of 16 mm. FIYU® FAST, on the other hand, works with all softwood and uncoated plastic materials.


For cabinets, intermediate shelves, 45 ° miter joints, partition walls, the installation of shelves as well as retrofitting shelves, frames, covers and profile strips.


Concealed, self-tightening, re-assemblable tongue and groove connector, immediately ready for use.

Choice of material

All woods, synthetic materials (FIYU® LOCK), from a panel thickness of 16 mm; All softwood and uncoated plastic materials (FIYU® FAST)


 With CNC, flat dowel machine, adjust depth setting accurately, insert plug-in part and holding part into milled groove.


 Insert the connector flush with the edges and push the components into place.



⇓View and Download Instruction Manual⇓


  1. Make biscuit cut with special undercut blade
  2. Optional: Add approx. 1/2″ bead of KNAPP-Adhesive PU+ (Z011/1) in the middle and deepest point of the slot.
  3. Slide the connector into the groove
  4. Make sure that the connectors at the outer ends are flush with the surface of the component.
  5. After the glue is hardened enough, the parts can be joined together. To assemble the parts, first, insert and then slide them into each other.
  6. If desired, for final assembly, glue the joint before connecting the components.


  • Note: do not use too much adhesive
  • Used for RTA furniture.
  • The fitting jig ensures an optimum installation depth of the connector in the groove, regardless of how porous the panel material is.


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