BR-611 Double Cylinder Door Lock, Aluminum & Zinc Alloy Security Lock with Stainless Steel Handle & Bolt

BR-611 double cylinder door lock is built with premium aluminum alloy, zinc alloy and copper internal components, delivering excellent structural durability, wear resistance and corrosion resistance for long-term daily use. Its dual-cylinder locking mechanism enables key operation from both inside and outside, effectively preventing unauthorized unlocking and significantly enhancing overall anti-theft security for doors. This door lock features a user-friendly structure for quick and simple installation, and is designed to work seamlessly with matching stainless steel door handles and latch bolts to form a complete door security system. It is widely suitable for residential entry doors, interior security doors and commercial aluminum door projects. Bulk wholesale orders and OEM customization are supported to meet diverse project requirements.