Heavy-Duty Deadbolts

STANLEY Commercial Hardware’s QDB100 line of ANSI/BHMA Grade 1 deadbolts provides strength, durability and reliability for high-security applications. We designed the QDB100 Series with solid forged housing for added strength and performance life, and then added anti-drill and saw-resistant features to deliver even greater security for a long-lasting, reliable deadbolt solution. From standard door prep to packaging designed for quicker installation, the QDB100 Series is simple to order and install or retrofit in a wide variety of high-security applications.