Fastening Technology 50mm Series

A system for maximum stability with every connection

The Robotunits system allows you to connect your aluminum extrusions without drilling or milling, with standard screws and particularly space-saving fasteners which can bear high loads on both sides. With our technology, each connection has absolutely no play, is form-fit and centered. This allows fast and accurate assembly at the highest level. All fasteners are available online in our webshop.


  • worldwide unique form-fitting and play-free centrally aligned Fastening Technology
  • connect without drilling and milling
  • two-sided connection with only one fastener


  • outstanding process reliability and 100% repeatability
  • shortest design and assembly time - easy, post-assembly repositioning
  • strength comparable to welded connection

Default values

  • up to 4 tons tensile strength
  • connector plate only 15mm high
  • vibration safe connection