The Prime‑Line U 9970 Single Cylinder Deadlock provides dependable surface‑mounted door security for homeowners seeking proven protection against forced entry. Constructed from durable diecast metal with a corrosion‑resistant brass‑colored finish this jimmy‑resistant lock is designed to help secure hinged doors by preventing the spreading and prying of door frames. Featuring a surface‑mounted cross bolt locking mechanism the U 9970 helps anchor the door to the jamb for enhanced resistance against physical attack. The keyed single cylinder design includes a tamper‑resistant shutter guard to help deter lock tampering and picking. Designed for use on wood, metal or resin doors 1-3/8 to 2-3/8 inch thick, this deadlock installs easily using the included mounting hardware and standard household tools making it a practical choice for DIY installation. Each set includes the deadlock, flat keeper, 2 keys and installation components for a complete and reliable door security solution.

Solid. Exactley what I needed.. Alicia. New York, NY. Tue Jun 30 2026

This Defender Security brass single-cylinder surface deadbolt features a sturdy steel bolt and a security strike that anchors to the jack stud behind your door jamb. Features a sturdy steel bolt secured in a diecast housing, finished in a brass colored paint. Comes with a security strike that anchors to the jack stud behind the door jamb, and it features a five pin tumbler (Kwikset keyway) key cylinder which requires a 1-1/4 in. bore. Contains 1 surface deadbolt with locking cylinder, 2 keys, 1 mounting plate, 1 keeper and installation screws.

The Segal Slam Lock is a trusted surface mounted door lock designed for homeowners who want reliable security with simple everyday convenience. Constructed from solid high strength bronze alloy this jimmy proof lock delivers long lasting durability while helping protect entry doors against forced entry. The automatic slam locking design engages the lock when the door is closed making it ideal for busy households rental properties and garages where remembering to lock the door is important. To help prevent accidental lockouts the built in anti lockout deactivation switch allows users to disable the automatic locking feature whenever needed. This Segal lock installs directly on the door surface and mounts easily to wood, metal or resin doors using common household tools making it a great choice for DIY installation. Finished in a corrosion resistant brass plated finish the lock blends security with a classic appearance and includes both flat and angle strikes to ensure proper fit on either inswinging or out swinging doors.

Was hard to make extra keys for this lock, but overall we like it. Marquita. Amarillo, TX. Thu Jul 27 2023

The Segal Single Cylinder Deadlock is a trusted surface‑mounted security solution designed for homeowners who want dependable protection against forced entry. Constructed from solid high‑strength bronze alloy and finished in a corrosion‑resistant brushed finish, this lock delivers long‑lasting durability with a classic appearance. Its time‑tested jimmy‑proof design helps prevent intruders from forcing entry by wedging or spreading the door frame, a common break‑in method. Featuring a strong cross‑bolt locking mechanism, this deadlock adds resistance against prying and physical attack at the door edge. Designed for use on wood, metal and resin doors and frames, the surface‑mounted installation allows for easy alignment and straightforward DIY installation using the included hardware. Each lock set comes complete with two keys and a flat keeper used for outswinging doors, providing everything needed for a secure and reliable door locking solution.

Add an extra layer of protection to your home with this high security swing bar door guard featuring an integrated auxiliary thumb turn lock. Finished in an attractive brass tone, this door guard allows occupants to safely open the door slightly for identification, visitor verification, package acceptance, or conversation while helping maintain security. Ideal for entry doors in homes, apartments, condominiums, dormitories, and rental properties, it provides added peace of mind when answering the door. Unlike traditional swing bar door guards, this enhanced design features a ball-and-keeper interlock system that helps prevent intruders from forcing the door open when the guard is engaged. An additional thumb turn security lock blocks attempts to disengage the swing bar using common release techniques, helping provide an extra level of protection against unauthorized entry. For maximum security, the auxiliary lock can remain engaged whenever the door is not actively being used. Constructed for long-lasting residential use, this door guard is designed to help strengthen entry door security while maintaining convenient everyday operation. Installation is quick and straightforward with all necessary mounting hardware included. In emergency situations, the thumb turn is engineered with a controlled breakaway feature that releases under approximately one hundred pounds of force, allowing emergency personnel to gain access when necessary without compromising normal security performance. Whether used as supplemental home security or to safely identify visitors, this swing bar door guard provides reliable protection, enhanced peace of mind, and dependable everyday functionality.

Just what I needed to update our locks!. Jp. VA. Mon May 11 2026

The simple elegance of the Classic Double Cylinder Deadbolt offers beauty and durability that will compliment a variety of architectural styles.

I used these for a renovation project restoring a early 1900s building. They are nice quality and work perfectly to keep the display cases closed while adding some style to the door.. Cleta. St Augustine, FL. Wed Jul 08 2026