DORMAKABA 8510 Slide Arm & Channel

The 8510 Slide Arm and Channel assembly from dormakaba (formerly known as Dorma) can be fitted in conjunction with the RTS 85 transom concealed door closer to allow use on single action doors that have been hung using butt hinges or offset pivots.


  • To suit the RTS 85 Transom concealed door closer
  • Suitable for use on single action doors hung with butt or pivot hinges
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