DAB645 DOUBLE ACTION SPRING HINGE 4 1/2 x 6

Usually Ships: 1-3 Business Days

Cal-Royal DAB645 Double Action Spring Hinge 4-1/2″ x 6″

Smooth, Self-Closing Action for Swinging Doors

The Cal-Royal DAB645 is a heavy-duty, double-acting spring hinge designed for commercial and institutional doors that require two-way swing functionality. Built for durability and smooth operation, its ideal for restaurants, hospitals, and other high-traffic environments.

Key Features:

• Double action design allows doors to swing in both directions and automatically return to center
• Heavy-duty construction supports doors up to 107 lbs (with 3 hinges) or 75 lbs (with 2 hinges)
• Compatible with 1-3/4 thick hollow metal or wood doors (not for beveled-edge doors)
• Measures 6 height x 4-1/2 width ideal for commercial applications
• Direct replacement for Bommer 3029-6×4.5 spring hinges
• Made from durable steel for long-lasting performance
• Available in Satin Chrome (US26D), Satin Brass (US4), Flat Black (US1/622), and Prime Coat (USP)
• Full mortise template for easy installation

Why Choose the Cal-Royal DAB645?

• Perfect for restaurant kitchen doors, hospital corridors, and commercial swing doors
• Provides smooth, self-centering action for enhanced safety and convenience
• Backed by Cal-Royals reputation for quality and reliability

Upgrade your door hardware with the Cal-Royal DAB645 engineered for performance, built for durability.