Key Advantages

-SUS304 Stainless Steel Lever Handle Construction
Made with SUS304 stainless steel lever handles, providing good corrosion resistance and a dependable material choice for everyday door operation in suitable indoor environments.

-45mm Backset with 50mm Centre Distance
Features a 45mm backset and 50mm centre distance configuration, providing clearly defined installation measurements for matching compatible mortise lock preparations and replacement projects.

-Integrated Latch and Single-Turn Deadbolt
Supplied with a 4550 mortise sash lock body incorporating a spring latch for everyday door closing and a single-turn deadbolt for mechanical locking when used with a compatible cylinder.

-Suitable for 35–50mm Door Thickness
Designed for compatible doors approximately 35mm to 50mm thick, making it easier to check door suitability before installation and helping avoid incorrect lockset selection.

-SSSP Finish with Separate Cylinder Selection
Features a stainless steel satin-polished finish for a neat metallic appearance. The set includes the lever handles and 4550 mortise lock body without a cylinder, allowing a suitable compatible cylinder to be selected separately.

Broad Range of Applications
-Compatible Wooden Doors, Residential Room Doors, Bedroom Doors, Apartment Doors, House Interior Doors, Office Doors, Shop Interior Doors, Commercial Interior Doors, Mechanical Door Lock Installation, Lever Mortise Lock Replacement, Door Hardware Renovation, Property Maintenance, Building Door Hardware Projects


核心优点

-SUS304不锈钢执手结构
采用SUS304不锈钢执手制造，具备良好的耐腐蚀性能，适合在适当室内环境中作为日常房门五金使用，兼顾材质实用性与操作需求。

-45mm锁距与50mm中心距配置
采用45mm Backset锁距及50mm中心距规格，为门锁安装提供明确的尺寸参考，方便核对兼容门板的原有开孔位置及插心锁体安装需求。

-斜舌与单转式方舌组合
配备4550插心锁体，结合日常关门使用的弹簧斜舌与机械锁定用的单转式方舌。搭配兼容锁芯后，可实现日常开关门及上锁功能。

-适用于35–50mm门厚
设计适用于约35mm至50mm厚度的兼容门板，方便住宅及商业室内门在安装或更换门锁前确认门板尺寸，减少选错规格的情况。

-SSSP表面处理与独立锁芯搭配
采用SSSP白钢色缎面抛光处理，呈现整洁的金属外观。套装包含执手及4550插心锁体，但不包含锁芯，方便根据实际门锁需求另外选择兼容锁芯。

适用范围广阔
-兼容木门、住宅房间门、卧室门、公寓房门、家庭室内门、办公室门、商店室内门、商业室内门、机械门锁安装、执手插心锁更换、门锁五金翻新、物业维修、建筑门锁五金工程