Description
The BEST 9KW37 is a UL-listed Grade 1 cylindrical lock engineered for single swinging doors on 3-hour fire-rated frames. Built to ANSI A156.2 Series 4000 standards, it provides institutional-grade security and durability for commercial buildings, hospitals, schools, and government facilities requiring code-compliant access control.
This lock accommodates door thicknesses from 1 3/4" to 2 1/4" and ships with a 2 3/4" backset; 3 3/4" and 5" options are available. Available trim and internal materials include brass, bronze, stainless steel, and corrosion-treated steel for various environments. Contact our authorized dealer specialists at sales@edlocks.com or 1-877-207-6067 for keying configuration, Miami-Dade approval options, and installation guidance.
Specifications
- UL Listed for 3-hour fire-rated single swinging doors (4'x10')
- ANSI A156.2 Series 4000 Grade 1
- Miami-Dade County Product Control Approved (with WS option)
- Door thickness: 1 3/4" to 2 1/4"
- Standard backset: 2 3/4" (3 3/4" and 5" available)
- Latchbolt: 9/16" (3/4" throw optional)
- Chassis: 2 1/6" diameter, 2 1/8" hole
- Strike: 2 3/4" x 1 1/8" x 3/32" or ANSI 4 7/8" x 1 1/4" x 3/32"
- Trim materials: Brass, bronze
- Internal components: Brass, bronze, zinc alloy, or corrosion-treated steel
