Description
The BEST 9KW57 is a UL-listed Grade 1 cylindrical lock designed for commercial and institutional single swinging doors up to 3-hour fire ratings. It solves security and compliance needs for builders, facility managers, and security professionals who require reliable access control meeting ANSI A156.2 Series 4000 standards.
This lock accommodates door thicknesses from 1 3/4" to 2 1/4" and fits standard 2 1/8" door prep. Available with brass, bronze, or stainless steel components and multiple backset options (2 3/4", 3 3/4", 5") for flexible installation. Contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067 for keying assistance, Miami-Dade approval guidance, and expert specification support.
Specifications
- UL Listed for 3-hour A label single swinging doors (4' x 10')
- ANSI A156.2 Series 4000 Grade 1 compliance
- Trim Materials: Brass or bronze
- Internal Components: Brass, bronze, zinc alloy, or corrosion-treated steel
- Door Thickness: 1 3/4" - 2 1/4"
- Strike: Brass, bronze, or stainless steel; standard 2 3/4" x 1 1/8" x 3/32" or ANSI 4 7/8" x 1 1/4" x 3/32"
- Backset: 2 3/4" standard, 3 3/4" and 5" available
- Latchbolt: 9/16" (3/4" throw optional)
- Chassis: 2 1/6" diameter, fits 2 1/8" hole
- Miami-Dade County product control approved (with WS option)
