DAB645 DOUBLE ACTION SPRING HINGE 4 1/2 x 6
Rated 3.5/5 based on 11 customer reviews

DAB645 DOUBLE ACTION SPRING HINGE 4 1/2 x 6

$61.50
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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, it’s 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 3029-6x4.5 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-Royal’s reputation for quality and reliability

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


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, it’s 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 3029-6x4.5 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-Royal’s reputation for quality and reliability

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