Grade 3 Cylindrical Locksets
S.Parker grade 3 cylindrical construction locksets, with a 2 3/4" backset, are available in polished stainless steel, for entry lock, passage lock, privacy lock, storeroom lock and classroom functions.
|Door Backset:||2-3/8-in to 2-3/4-in adjustable|
|Door Thickness:||1-1/4-in to 1-3/4-in 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 3|
|Door Handle Material||Steel|
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-in to 1 3/4-in, 1 3/8-in to 1 1/2-in, Less than 1 3/8-in|
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|
|Mfr Part #|
|Category||Door Knobs - 3813|
|Style||Modern - 3|