Overview
PDQ SX Series Heavy Duty Knob Grade 1 provides a durable U.S. constructed cylindrical lock for any commercial entryway. Choose from multiple functions for dependable operation in any federal, state, or local government building.
- Standard 2-3/4” - 2-3/8” backset
- Fits standard 161 door prep
- For doors 1-3/8” to 1-3/4” thick
- 2-3/4" DIA wrought rose
- Complies with ANSI/BHMA156.2-2011 Grade 3
- Non-cylinder, single cylinder, and interchangeable core options available
- Assembled in the U.S.A.