Description
The BEST 9KW37DEU16CSTK605RQE is a Grade 1 cylindrical lock designed for commercial and institutional single-swinging doors. UL listed for 3-hour fire-rated doors up to 4'x10', it meets ANSI A156.2 Series 4000 standards and solves the need for durable, code-compliant entry security on high-traffic doors. Ideal for builders, contractors, and facility managers requiring reliable locking hardware.
This lock accommodates door thicknesses from 1 3/4" to 2 1/4" and is available with multiple backset options (2 3/4", 3 3/4", or 5") to fit your door preparation. Trim, internal components, and strike are available in brass, bronze, stainless steel, and corrosion-treated finishes. Contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067 for keying assistance, finish selection, and Miami-Dade County approval guidance (WS option available).
Specifications
- Brand: BEST
- Model: 9KW37DEU16CSTK605RQE
- Grade: ANSI A156.2 Series 4000 Grade 1
- UL Fire Rating: 3 Hr, A label (single swinging doors up to 4'x10')
- Door Thickness: 1 3/4" – 2 1/4"
- Chassis Diameter: 2 1/6" (fits 2 1/8" hole)
- Backset Options: 2 3/4" (standard), 3 3/4", 5"
- Latchbolt: 9/16" standard (3/4" throw optional)
- Strike Options: Standard 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, corrosion-treated steel
- Strike Materials: Brass, bronze, stainless steel
- Miami-Dade County Approval: Available with WS option
