Description
The BEST 9K57T15DS is a Grade 1 cylindrical lock engineered for high-traffic commercial and institutional doors. Built for durability and low maintenance, it delivers superior security with proven performance tested to over 4 million cycles, far exceeding ANSI Grade 1 standards. Ideal for facilities demanding reliable access control with minimal upkeep.
This lock features quick core interchangeability for customized masterkeying and rapid rekeying, plus a pre-assembled hub design that speeds installation. Fits standard 2 1/8 inch cross bore doors with 2 3/4 inch backset. As an authorized BEST dealer, E.D. Locks provides expert guidance on keying options, strike compatibility, and installation. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for help selecting the right configuration.
Specifications
- Grade: 1
- Latch: solid stainless steel, 9/16 inch throw, 2 1/4 inch and 1 1/8 inch beveled front
- Lever handles: plated zinc alloy
- Trim: satin chrome
- Chassis: zinc alloy and corrosion-treated steel, 2 1/16 inch diameter
- Door thickness: 1 3/4 inch or 2 1/4 inch
- Door prep: 2 1/8 inch diameter cross bore
- Backset: 2 3/4 inch standard
- Keying: 6-pin non-IC brass cylinder or 6-pin/7-pin SFIC option
- Keyway options: LFIC, Non-IC (Corbin-Russwin, Medeco, Sargent, Schlage, Yale)
- Strike: ANSI 2 3/4 inch standard, other options available
- Cycle tested: over 4 million cycles
