Grade 2 Cylindrical Locksets
S. Parker heavy duty cylindrical locks are available in entry, passage, privacy and storeroom/classroom functions. These locks meet ANSI-A156-2, Series 4000, Grade 2 specifications, and include SC-1 keyway #1145, or Arrow keyway K. The tumbler is a six pin keyed to five pins, and the exit from the inside is immediate, for panic-resistant use. All come with 2 3/4" backset.
|Door Thickness||1-3/8" to 1-3/4" thick|
Commercial grade door hardware can be used for any residential application but has been tested based on performance benchmarks: Operational, Strength, Cycle, Security, Material Evaluations, and Finish, where products receive Grade 1; the highest grade possible; Grade 2, or a Grade 3.
|Commercial Grade||Grade 2|
Knowing the type of door knob will help determine how the door will function upon installation.
|Door Knob Type||Keyed Entrance Doorknobs, Passage Doorknobs, Privacy Doorknobs|
Knowing the thickness of the door is crucial when installing door hardware.
|Door Thickness||1 1/2" - 1 3/4", 1 3/8" - 1 1/2"|
The locking mechanism is important to know if you are replacing a door handle. A mortise lockset requires special installation involving one hole in the door, while a tubular lockset requires two that are separated.
|Locking Mechanism||Tubular Locks|