Briton 5230.57.R.SS | Bathroom Lock 57mm Backset - Radius Forend (5230)
Finishes: SS Stainless Steel
The Briton 5230.57.R.SS is a high-performance bathroom lock designed for reliability and seamless integration into modern commercial and residential spaces. Featuring a 57mm backset and a radius forend, this lock is part of the Briton 5200 series, engineered to meet the demanding needs of high-traffic environments while maintaining a clean, contemporary look. Crafted with a durable satin stainless steel finish, the Briton 5230 offers excellent corrosion resistance and longevity. Its precision-engineered mortice design ensures smooth operation with compatible thumb turns and releases, providing essential privacy in bathrooms.
- Additional Product Details
Bathroom Lock 57mm Backset - Radius Forend.
NB - The image shows a square forend - you will receive a radius forend
- Single throw hardened steel 13mm deadbolt thrown by thumb turn and emergency release
- Latch withdrawn by lever handles
- Unique X-Tension feature allows the spring tension to be adjusted to suit the weight of lever furniture and to eliminate lever 'droop'
- Quick reversible latch without the need to dismantle the lock case
- Dual profile can be used with Euro or oval profile cylinders
- 57mm backset and 57mm centre in line with guidance of BS 8300
- 10-year guarantee
IMPORTANT - For fire door installations, the lock must include intumescent protection to maintain the door's integrity.The Briton 5200 Series is a contract-quality mortice lock case range compatible with Euro or oval-profile cylinders. The Series offers the most common range of lock functions. Performance Level 3.
Briton Fire Door Closers | Briton Exit Devices | Briton Locks
Relcross Limited (trading as) Door Hardware Online | Hambleton Avenue | DEVIZES | Wiltshire | SN10 2RT | United Kingdom | T: ++ 44 (0) 1380 720 062 | F: ++ 44 (0) 1380 729 888 | E: britonsales@doorhardware-online.co.uk
- Certification
EN 12209: 2003/AC:2005
UKCA | CE | 90 Mins Timber | 240 Mins Steel | Warranty: 10 Years (Mechanical)
Certificates, including DoPs downloadable here
- Resources | Downloads



