Prime-Line Segal Brass Single cylinder

Enhance the security of your entry door with the Segal 666/667 Single Cylinder Deadlock, a trusted surface-mounted locking solution designed to help resist forced entry attempts. Featuring a proven jimmy-proof design, this deadlock helps protect against common break-in methods that involve spreading, wedging, or prying the door and frame apart. Ideal for homes, apartments, and other residential entry points, this lock provides dependable protection, reliable operation, and long-lasting performance. Constructed from solid high-strength bronze alloy, this deadlock is engineered for durability and everyday security. The attractive brushed brass finish delivers a classic look while helping resist corrosion and wear over time. Its robust cross-bolt locking mechanism reinforces the door edge and helps increase resistance against prying, physical attacks, and other forced-entry attempts compared to standard locking hardware. Designed for use on wood, metal, and resin doors and frames, the surface-mounted configuration allows for straightforward installation and alignment without extensive modifications. This complete lock set includes both an angle strike and a flat strike, providing installation flexibility for either inswinging or outswinging door applications. Installation hardware and two keys are included for added convenience. Whether upgrading existing security or replacing an older deadlock, this Segal single cylinder deadlock delivers proven protection, durable construction, and lasting peace of mind.