SOSS #216 20-Minutes Fire Rated Invisible Hinge (Each)

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SOSS #216FR 20-Minutes Fire Rated Invisible Hinge (Each)

SOSS® Invisible Hinge model #216FR is for use in wood or metal applications that are 1-3/8″ thick. The model #216FR is made of zinc and steel materials. Nylon links provide added strength and durability. This full size door style hinge will provide superior appearance and durability. Our Hinges are found in many applications where flush fit, compact size and smooth operation are necessary features. SOSS® Invisible Hinges open a full 180° and are a single action hinge.

The Underwriters Laboratories labeled the model #216FR SOSS® Invisible Hinge can be used on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with a 20 minute rating.

Use at least one fire-rated hinge for every 20″ of door height or portion thereof, or one hinge for every 60 lbs. or fraction thereof, whichever calculation demand more hinges.

Wood and Machine screws are included.

Additional Information

Application Full Sized Entry, Metal, Wood
Min. Material Thickness 1-3/8″
Fire Rating 20 Minutes
Power Transfer No
Closer No
Counter Bored Screw Holes No
Screws Included Wood and Machine
Packaging 1 / Box = 1 Each
Price Per Each


Min. Matl. Thickness 1-3/8″ (34.93mm)
Wood Screw Sizes #14×1-1/2″ (6.3x38mm)
Soft Wood Pilot Hole No. 32
Hard Wood Pilot Hole No. 10
Machine Screw Sizes #1/4-20×1″
Hinge Weight 1.65 lb.
A 1″ (25.40mm)
B 47/64” (18.65mm)
C 4-5/8″ (117.48mm)
D 15/64” (5.95mm)
E 1/4″ (6.35mm)
F 2-19/32″ (65.88mm)
G 1/16″ (1.59mm)
H 1-15/32” (37.31mm)
I 15/32″ (11.91mm)


SOSS #216FR 20-Minutes Fire Rated Invisible Hinge (Each)

FR Invisible Hinge Spec

Door Handing Chart

Hinge Sizing Chart

Cased Jamb Detail

Clearance Detail

Hinge Location

SOSS Hinge Calculator


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