Description
The BEST 9K40N15DSTK is a Grade 1 cylindrical lock engineered for high-traffic commercial and institutional applications. Built to withstand over 4 million cycles, it solves the durability challenge facing facilities managers who need reliable, low-maintenance security that resists lever sag and minimizes ongoing replacement costs.
This lock features interchangeable core keying for fast rekeying and masterkey customization, compatible with multiple keyway options (Schlage, Corbin-Russwin, Medeco, Sargent, and Yale). Installation takes just 5 steps on 1 3/4" or 2 1/4" doors with standard 2 3/4" backset. Contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067 for expert specification guidance and keying support.
Specifications
- Grade 1 security rating, tested to over 4 million cycles
- Latch: solid stainless steel, 9/16" throw with 2 1/4" and 1 1/8" beveled fronts
- Lever handles: plated zinc alloy
- Trim: satin brass (STK=stainless steel strike)
- 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)
- Strike: ANSI 2 3/4" standard; ANSI S3 4 7/8", ANSI S3 7/8" flat, and 7/8" flat options
- Keying: 6-pin non-IC brass cylinder; 6- or 7-pin SFIC option
- Keyway options: LFIC (Schlage), Non-IC (Corbin-Russwin, Medeco, Sargent, Schlage, Yale)