Common pin tumbler cylinders may be compromised by picking, drilling or key bumping. For applications where a greater security level is required, we suggest using pick/drill resistant cylinders with multiple pin planes such as those with side-bars. Marks USA HI-SECURITY™ Cylinders are constructed with sidebars and are drill, pick and bump resistant.
Marks single cylinder deadbolt lock. Locked or unlocked by key from outside or thumb turn inside. Grade 2 auxiliary lock, UL listed for 3-hour fire door.
Adjustable backset for 2 3/8" or 2 3/4".
For doors 1 3/8" to 1 3/4".
Comes with the 2 Marks high security key.
This deadbolts feature an exclusive patented steel strike reinforcer with 76mm heavy gauge screws that penetrate through the door jamb and right into the wall stud. Add to that a full 25mm-throw deadbolt and you have an excellent deterrent to kick-in attacks.
The deadbolt further features a hardened steel roller to prevent cutting and sawing attacks.
This deadbolt base is Schlage B560 series deadbolt.
Bright brass finish.
This deadbolts provide high quality auxiliary and primary locking for residential and commercial applications
