Description
The BEST 9K57D16DSTK is a Grade 1 cylindrical lock engineered for high-traffic commercial and institutional doors requiring superior durability and security. Built to withstand over 4 million cycles, it features a low-maintenance design with protected lever return springs that eliminate sag and reduce service calls. Ideal for facilities managers, property owners, and security-conscious businesses seeking dependable hardware.
This lock is compatible with 1 3/4" and 2 1/4" door thicknesses and accepts interchangeable cores for quick rekeying and masterkeying flexibility. Pre-assembled hub design enables installation in 5 steps with standard 2 1/8" cross bore prep. Contact E.D. Locks at sales@edlocks.com or 1-877-207-6067 for expert keying configuration, compatibility verification, and authorized dealer support.
Specifications
- Grade: 1
- Latch: Solid stainless steel, 9/16" throw
- Lever handles: Plated zinc alloy
- Trim: Satin chrome
- Strike: ANSI 2 3/4" standard (additional options: ANSI S3 4 7/8", ANSI S3 7/8" flat, 7/8" flat)
- Chassis: Zinc alloy and corrosion-treated steel, 2 1/16" diameter
- Door thickness: 1 3/4" or 2 1/4" (spacers available for 1 3/8")
- Door prep: 2 1/8" diameter cross bore
- Backset: 2 3/4" standard (3 2/4" and 5" available)
- Keying: 6-pin non-IC brass cylinder; 6- or 7-pin SFIC optional
- Keyway options: LFIC, Non-IC (Corbin-Russwin, Medeco, Sargent, Schlage, Yale)
- Cycle rating: Over 4 million cycles
