Below is a PDF chart on how to select connection elements. It indicates what is connection element is suitable for certain applications.
Bosch Rexroth: Selection Criteria for Connection Elements
Nuts and Bolts
- T-nut/collar screw or Flange nut/T-bolt
- Used in combination for attaching something directly to a slot
- Sliding blocks
- Used to replace a T-nut if a stronger connection is needed
- Straddling nut
- Used to replace a T-nut if a very light load is used.
- Tensioning connector
- Used to attach 2 profiles at a 90degree angle. Very quick assembly.
- Inner bracket
- Used to attach 2 profiles at a 90degree angle. Fully concealable.
- Miter bracket
- Used to attach 2 profiles at a 90degree angle. Will work if profile ends are miter cut.
- Heavy duty connector
- Used to attach 2 profiles at a 90degree angle. Useful for very high load applications.
- Used to attach 2 profiles at a 90degree angle. The most simple and cost effective option but is not concealable.
- Angle piece R
- Used to attach 2 profiles at any angle.
End to End Connections
- Profile connector
- Used to attach 2 profiles at their faces. Fits between the slots of the profiles as a bridge. Using 2 of these in opposing slots is the preferred usage.
- End connector
- Used to attach 2 profiles at their faces. This is a 2 piece connection that first connects to the ends of the profiles with a central bolt then to each other with 4 screws which can be accessed by the slots.
Central Bolt Connections
- Central bolt
- Used to attach something to the central hole in a profile. Self tapping so finishing is not required. Lowest cost but least versatile connection. Drilling holes in profiles may be required depending on the application.
- Anti-Torsion element
- Added opposite of a central bolt connection to increase torsion resistance.
- Cubic connector
- Used to attach 2 or 3 profiles at their ends at 90degree angles.
- Corner bracket
- Has the same application as the cubic connector but with a rounded aesthetic.
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