
Dormakaba 6600 Series Square End Plate – Concealed Fix – Plain Plate
Dormakaba 6600 series square end plain plate door furniture designed for external commercial applications. This concealed fix plate is supplied without lever furniture and is commonly specified for doors using pull handles, electric locking, or alternative internal hardware with compatible Dormakaba mortice locks.
Key Features
- Square end plain plate suitable for commercial door applications.
- Concealed fixing for a clean architectural appearance.
- Available with or without oval cylinder hole.
- Manufactured from solid 316 grade stainless steel.
Fire Rated
- Successfully tested up to 4 hours on fire door assemblies in accordance with AS1905.1-2005 Part 1 (doorset dependent).
Specifications

What's In The Box
- 1 x External square end plain plate
- Concealed fixing hardware
- Fixing screws
Suitable Uses
- External commercial doors
- Doors using pull handles or electric locking systems
- Office, healthcare and public buildings
Available Variants
Item Code Family
Download PDF Resources
Dormakaba 6000 Series Plate Door Furniture
Dormakaba 6500 & 6700 Series Template and Fitting Instructions
Frequently Asked Questions
Does this plate include a lever?
No, this is a plain plate only. Lever furniture is selected separately if required.
Is this plate suitable for fire doors?
Yes, when installed as part of a compliant doorset, it has been tested up to 4 hours in accordance with AS1905.1.
Can this be used on internal doors?
It is primarily specified for external doors, but may be used internally where appropriate.
Additional Information
- Plain plates are commonly paired with pull handles or electric locking systems.
- Internal and external plates are selected based on required door function.
- Confirm mortice lock backset compatibility prior to installation.