4" Double Acting Spring Hinge. Mortise Type - Door flange is mortised into edge of door. Jamb flange is surface applied to door jamb. For doors 7/8" to 1-1/4" thick.

Bommer 4" Double Acting Spring Hinges permit doors to open in either direction and automatically return to the closed position. Packaged complete with a Pair (2) Double Action Spring Door Hinges, Tension Adjusting Tool, Locking Pins plus wood mounting screws.

The included Tension Tool is use to adjust spring tension. The Locking Pins hold the Spring in tension after it is set. These adjustable tension spring hinges allow you to determine how much closing force you apply to the door (how hard/fast the door self closes).

To find the proper size Bommer Double Acting Spring Hinge for your doors weight and width. use the charts here: Bommer Spring Hinge Charts

Specifications of the Bommer 3029-4 Double Acting Spring Hinge:

• Material: Steel
• Hinge Size: 4"
• Non-Handed
• Hinge Type: Mortise
• Door Thickness: 7/8" - 1-1/4" Thick Doors
• Maximum Swing: 90º each direction
• Bommer 3029-4 Dimension Diagram (PDF)
• Bommer 3029 Series Installation (PDF)

Bommer 3029-4 Hinge Selection for Maximum Door Size
Bommer Hinge Number	2 Hinges		3 Hinges		Door Thickness	Min. Door Height
	Door Weight	Door Width	Door Weight	Door Width
3029-4	60 lbs	2'-4"	75 lbs	3'-0"	7/8" - 1-1/4"	6'-8"
Note: Do Not use on Doors with Hinge Edge Beveled.

Sold as a Pair (2 Hinges).

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

Select Finish  633: Satin Brass, Clear Coated 632: Bright Brass, Clear Coated Add  $16.88 639: Satin Bronze, Clear Coated 640: Oil Rubbed Bronze Add  $36.48 652: Satin Chrome Add  $23.04
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