D Series Cylindrical Deadbolts Yale D Series Deadbolt Yale D Series Deadbolt D Series Deadbolt thumbturn Yale® D series deadbolts are the ideal choice for a wide variety of commercial applications where consistent quality, ease of use and installation are required. Features ANSI/BHMA Certified Grade 1 or 2, depending on model Available with visual occupancy indicators, displaying "In Use" or "Vacant" that displays current status of the deadbolt Indicators are provided as standard on both sides of the door for the D291 and D292 functions 1" throw solid steel deadbolt with hardened, free spinning steel pin insert Non-handed functions are easily field reversible 2-3/4" backset Several SFIC functions feature concealed interior screws that only the control key can access Downloads Catalog Installation Instructions Templates Close Want to learn more? Complete the form below to get the conversation started. loading Padlocks Special Purpose Locks YSSL10 Auxiliary Latch