The Global Door Controls 4 in. x 4 in. steel hinge functions as a full mortise single acting spring hinge. Recommended for use where automatic self-closing of a door is required. The knuckled hinges are adjustable, and the spring tension can be in
The Global Door Controls 4 in. x 4 in. steel hinge functions as a full mortise single acting spring hinge. Recommended for use where automatic self-closing of a door is required. The knuckled hinges are adjustable, and the spring tension can be increased or decreased by using included adjusting tool. For maximum versatility use 3 hinges on required opening. Full spring tension may not be required on all hinges but allows for greater adjustment.
Adjustable spring hinge for automatic self closing doors
Made from solid steel for durability and longevity
Squared hinge with non-removable pin
Full mortise spring, plain Bearing
Spring hinge for automatic self closing door
Installation: template screw hole locations
Steel base material with steel pin
Packed with wood and machine screws
Meets NFPA 80 for 3 hour fire rating
Conforms to ANSI/BHMA - K81071F for self-closing hinges
UL R19063 listed for A label fire doors
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