Bommer Industries has been in business 1876, with over 125 years of quality products. Their products are American made with American steel.

Bommer 7122 Spring Door Pivot Hinge, Mortised Applied (Both Top and Bottom pivots are mortised into the door). Cast Steel construction pivot hinge for Door up to 36 Inches Wide, 2-1/2 Inches Thick with a Maximum Door Weight of 75 lbs.

Also available: Bommer 7112 Surface Mount Spring Door Pivot Hinge.

Bommer 7122 Specifications:

• Maximum Door Width - 36"
• Maximum Door Thickness - 2-1/2"
• Maximum Door Weight - 75 lbs.
• Cast Steel Construction
• Mortise Mounted Pivots
• Double Acting
• Ball Bearing Pivot
• Non-Handed
• Adjustable Spring Tension
• Flat Door Bracket - For doors not less than 1" thick
• Flat Jamb Bracket - 1-1/4" Wide
• Packaged with #12 - 1-1/4" and #10 - 1" Flat Head Wood Screws
• Bommer 7122 Dimensions (PDF)
• How to Reactivate Tension on Bommer Spring Pivots

Sold individually as a set, with 1 pivot , 1 each jamb and door bracket, 1 top pivot assembly with jamb bracket, and mounting screw hardware. Enough to do one door.