Special door hinge template hole location designed to fit preparation of door and frame manufactured by Acorn Door. Pivot point aligns with residential butt hinges gage .085 to .109

Easily adjustable Spring Tension. UL Listed for fire door applications. Fit Acorn Door Frame. Packaged with mounting screws.

Specifications for Bommer LB4360-400 Acorn Door Spring Hinge

• Hinge Material: Durable Steel
• Height: 4"
• Width: 4"
• Corner: 5/8" Radius
• Thickness: .096"
• Number of Holes: 8
• Wood Screws: #10 x 3/4"
• Machine Screws: #10-24 x 1/2"
• BHMA Certified Grade 1 for 1 million cycles.
• UL Listed R-4667 653M
• Adjustable Spring Torque
• Non-Handed
• Special Hole Template - Acorn Door
• Bommer LB4360-400 Dimensions Diagram (PDF)

Sold as a pair (2 Hinges).

** This item is being discontinued. Very limited quantities available.