4 x 4 x 5/8 Radius Perma-Door Spring Hinge, Pair, Bommer LB4322-400
Special door hinge template hole location designed to fit preparation of door and frame manufactured by Perma-Door. Pivot point aligns with residential butt hinges gage .085 to .109
Easily adjustable Spring Tension. UL Listed for fire door applications. Fit Perma-Door Frame. Packaged with mounting screws.
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Specifications for Bommer LB4322-400 Perma-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 - Perma-Door
- Bommer LB4322-400 Dimensions Diagram (PDF)
Sold as a pair (2 Hinges).
** This item is being discontinued. Very limited quantities available.