Door holder ASSA 520


Used for outward-opening glazed doors.


  • The door is fixed in the desired open position with the adjusting screw.
  • The stop spring works as a shock absorber and thereby reduces wear on door and hinges.
  • Fits both right and left.

a) Rod.
b) Frame fixture with runner and adjusting screw.
c) Sash fixture with pin.
d) Stop spring.


  • Rod of anodized aluminium.
  • Brass adjusting screw with polyamide head.
  • Pin of galvanized brass.
  • Stop spring of galvanized spring steel.
  • Other parts of acetal plastic in white or brown.

Instructions for milling

For opening angle of 90 degrees, mount according to instructions below. Measurements are made from the hinge side. The sash fixture is mounted to place the rod parallel to the frame.


For sash fixture, use no. 7 (3.8 mm) TKX / DIN 7996. For frame fixture, use no. 6 (3.5 mm) TKFX / DIN 7995. For fixing plate, use no. 8 (4.0 mm) TFX / DIN 7997.

Do you want to create a safe lock environment?

ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide

Want to download our product catalogues?

If you prefer to download our product catalogue - you can download it here
We also provide instructions, declarations and other documents in our download documents section.

Check it out!