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4 x 4 x 1/4 Radius Perma-Door Spring Hinge, Pair, Bommer LB4321-400
 
   
Item No:  BOM-LB4321-400
List Price:  $55.72
Your Price:  $33.43

Bommer LB4321-400, 4" x 4" x 1/4" Radius Perma-Door Spring Hinge

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

Also see: Bommer Special Spring Hinges.

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

Bommer made in the USA

Specifications for Bommer LB4321-400 Perma-Door Spring Hinge

  • Hinge Material: Durable Steel
  • Height: 4"
  • Width: 4"
  • Corner: 1/4" 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 LB4321-400 Dimensions Diagram (PDF)

Sold as a pair (2 Hinges).

    
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  Spring Door Hinge for Perma Door

  4 x 4 x 1/4 Radius Perma-Door Spring Hinge, Pair, Bommer LB4321-400
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