Hardened solid steel and steel alloys make better locks and shackles solid extruded brass padlocks are more resistant to rust than steel, but can be damaged because brass is softer than steel. Laminated (layered-steel) padlocks are virtually indestructible. Laminated, pin-tumbler padlocks provide maximum security for valuables. Although weatherproof construction is important, high security is more important to the consumer who wants to protect expensive equipment. Padlocks provide portable security for movable objects-bicycles, motorcycles, boats and the like-and in locations such as storage sheds, gates, etc. Some of these locksets can be used on vestibule doors in this case they have a latch and deadbolt or latch only. They can be used on many types of doors from heavy entrance doors to apartment buildings to residential doors. Mortise cylinder locksets are used in new installations and as replacements they are mortised into the frame of the door. Both deadbolt and latchbolt can be operated by a key from the outside. A deadbolt is also used and operates by a turn of the inside knob. The latch can be operated from either side except when the outside knob is locked. Mortise cylinder locks have a pin-tumbler locking mechanism in a cylinder. In an emergency, the lock can be opened from the outside by inserting a narrow object through the small hole in the outside knob and either depressing or turning the locking mechanism inside, depending on the type of lock. The deadlatch actuator is generally located in the rear of the regular latch and cannot be depressed in this manner (when installed properly).Ī lockset that automatically unlocks when the inside knob is turned is good for the homeowner who doesn’t want to lock himself out of the house or one of the rooms.īathroom and bedroom privacy latchsets are designed for privacy rather than security and are equipped with a locking button on the inside but no key device on the outside. Because the regular latch is angled to the outside of the door, an intruder can depress it by sliding a piece of stiff material between the door and the frame. Sets requiring a key on both the inside and outside are available for added security.Ī quality feature in an entry lockset is the deadlatch. A key is required to unlock the pin-tumbler mechanism from the outside. They are classified as entry, hall/closet passage locksets and bath/bedroom privacy locksets.Įntry locksets are locked or unlocked from the inside by turning or depressing a small button on the inside knob. BORED LOCKSETSīored locksets are part of the basic door hardware with the locking mechanism built into the doorknob and latch. Uses vary from bicycles to bank vaults.īasic locks are an integral part of a house or building: auxiliary locks are devices like night latches and door chains used as “backup” security for basic locks. However, they provide only token security.Ĭombination locks offer good security and wide price range to appeal to homeowners and commercial users. Warded locks feature low-cost but superior weather resistance because of simple construction and lack of rotating internal parts. These locks are usually found on doors of older homes.ĭisc-tumbler locks are medium-priced locks offering minimal security and many key changes. Lever-tumbler key blanks are rarely stocked. Lever-tumbler locks are slightly less expensive than pin-tumbler locks, offer good security and many key changes. Pin-tumbler mechanisms are used in padlocks, deadbolts, cabinet locks, locksets and more. These locks can be made with as few as three pins but better locks have five or more. Depending on the number of pins, this lock offers many key changes. Pin-tumbler locks with five or more pins offer greater resistance to picking. The five mechanical types of key-operated locks are pin-tumbler, lever-tumbler, disc-tumbler, warded and combination locks. A large percentage of consumers shop retail stores for locks. According to market information, less than 7 percent of the total retail lock business is from locksmiths. Installation of locks is a common do-it-yourself project.
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