
Lock Provisions
Tongue and roller lock provisions that let lock systems seat securely on the sash.
Product Models
Our lock provisions group offers tongue and roller models suited to different lock systems.
Lock provisions let the lock system seat securely on the sash of aluminium doors and windows. The group includes tongue-and-roller lock provisions for Aldoks and C60 systems, the C60 under-lock keep, and a roller-tongue provision for thermally-insulated systems. Part codes are in the KRC-5000 series.
Download our catalogue for the technical drawings of every model, or contact us to choose the right product. We manufacture in our own Güngören, Istanbul facility and supply aluminium window and door manufacturers across Turkey through our dealer network.

Aldoks Lock Provision Roller Tongue
Aldoks Lock Provision Roller Tongue (KRC-5001) is a lock provision/striker model designed to work with the matching lock mechanism.

C60 Lock Provision Roller Tongue
C60 Lock Provision Roller Tongue (KRC-5002) is a lock provision/striker model designed to work with the matching lock mechanism.

C60 Lock Base
C60 Lock Base (KRC-5003) is a lock provision/striker model designed to work with the matching lock mechanism.

System Thermal Insulated Lock Provision Roller Tongue
System Thermal Insulated Lock Provision Roller Tongue (KRC-5000) is a lock provision/striker model designed to work with the matching lock mechanism. Specifically developed for thermally-insulated frame systems.
| No. | Property | Value | Note |
|---|---|---|---|
| 01 | Material | Aluminum | Pressure die-cast |
| 02 | Type | Tongue / Roller | Selected by system |
| 03 | Compatibility | C60 / Standard System Lock | Adjustable models available |
Why Lock Provisions
Precise Adjustability
Our roller models allow precise adjustment of the gap between sash and frame.
System Compatibility
We offer provisions compatible with C60 and standard system locks.
Quiet, Solid Locking
The tongue provision design delivers a quiet, solid locking experience.
Lock Provisions in the Field
Our lock provisions deliver secure, quiet locking by allowing the sash-to-frame gap to be adjusted correctly. Contact us to choose the right provision for your system.

