Chubb Bolt Thrower 3G110-P230 to suit 3G110 3G135 3R35 3K70 Mortice Locks
The Chubb 3G110-P230 bolt thrower, also known as a key curtain, is an internal mechanical spare part used within selected Chubb mortice lock bodies. It converts key rotation into linear movement of the lock bolt and is critical for correct lock operation.
This component is commonly replaced during servicing where the original curtain is worn, damaged, or no longer reliably drives the bolt mechanism.
Key Features
- Replacement bolt thrower / key curtain for compatible Chubb mortice locks.
- Restores correct engagement between key rotation and bolt travel.
- Internal mechanical spare part for lock servicing and repair.
Specifications
- Item Code: CH3G110P230
- Brand: Chubb
- Product Type: Bolt thrower / key curtain (spare part)
- Suits: Chubb 3G110, 3G135, 3R35, 3K70 mortice locks
Suitable Uses
- Repairing worn or damaged bolt thrower mechanisms in compatible Chubb mortice locks.
- Restoring full bolt travel where the key does not smoothly extend or retract the bolt.
Chubb Mortice Lock Bolt Throwers – Item Code Family
Frequently Asked Questions
- What does a bolt thrower or key curtain do?
It converts key rotation into linear movement of the mortice lock bolt. - Will this fit all Chubb mortice locks?
No. This part is only compatible with the listed Chubb models. - Is this part visible once installed?
No. The curtain is an internal component housed inside the lock case.
Additional Information
- Bolt throwers are model-specific and must match the exact Chubb lock family.
- Symptoms of a worn curtain include rough key action or incomplete bolt extension.
- Replacement typically requires full lock disassembly and is best performed by a locksmith.
