Description
The BEST 9K40L15KS is a Grade 1 cylindrical lock engineered for high-security applications where durability and low maintenance matter. Ideal for commercial facilities, hospitals, and multi-tenant buildings, this lock solves the cost-of-ownership problem by resisting lever sag and withstanding over 4 million cycles without requiring component replacement or frequent service.
Compatible with 1 3/4" and 2 1/4" doors using standard 2 1/8" cross bore and 2 3/4" backset, with spacers available for 1 3/8" doors. Choose from six keyway options including Schlage, Yale, Medeco, and Sargent, plus 6-pin or 7-pin SFIC keying. As an authorized BEST dealer, we provide expert specification guidance and quick rekeying support. Contact sales@edlocks.com or call 1-877-207-6067 for masterkeying assistance and fast shipping.
Specifications
- Grade 1 security rating
- Tested to over 4 million cycles
- Latch: solid stainless steel 9/16" throw
- Front: 2 1/4" and 1 1/8" beveled
- Lever handles: plated zinc alloy
- Trim: brass or bronze
- Strike: ANSI 2 3/4" standard; ANSI S3 4 7/8", ANSI S3 7/8" flat, and 7/8" flat strike available
- Chassis: zinc alloy and corrosion-treated steel, 2 1/16" diameter
- Door thickness: 1 3/4" or 2 1/4"; spacers for 1 3/8"
- Door prep: 2 1/8" diameter cross bore
- Backset: 2 3/4" standard; 3 1/2" and 5" available
- Keying: 6-pin non-IC brass cylinder or 6-pin/7-pin SFIC option
- Keyway options: LFIC (Schlage), Non-IC (Corbin-Russwin, Medeco, Sargent, Schlage, Yale)
- Interchangeable core design for quick rekeying
