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Model 218H Invisible Hinge

SOSS® Invisible Hercules Hinges are ideal for doors of extreme weight or size. The model #218H is for use in wood or metal applications that are 1-3/4″ to 2” thick. The model #218H is made of alloy steel materials. Solid alloy steel links provide exceptional strength and durability for your bulkiest of doors.

Features

 Heavy Duty

 Concealed/Invisible Mortise

 Fire Rated

 Quality

 

 

 Durability

 Quick Ship

 Estimate & Order

Overview

SOSS® Invisible Hinge model #218H is for use in wood or metal applications that are 1-3/4″ to 2” thick. The model #218H is made of alloy steel materials. Solid alloy steel links provide exceptional 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.

Wood and machine screws are included.

Articles & Insights

For design inspiration, concealed hardware solutions, technical guidance, commercial application expertise, and industry insights to help you make informed decisions and stay ahead of emerging trends.

Fully concealed hinge:
This hinge is fully mortised in the door and frame. No hardware can be seen from either side of the door when closed resulting in low hinge maintenance and minimal reveal lines..

Heavy Duty Construction:
Solid alloy steel links and hinge bodies to support your heaviest and tallest doors. 

Tamper Proof:
Riveted non-removeable hinge pin for greater security.

Certificates:

  • REACH
  • BS EN 1634-1: 2 Hour Fire Rating

A: 1-1/8″ (28.58mm)

B: 7/8″ (22.23mm)

C: 4-39/64″ (117.48mm)

D: 3/8″ (9.13mm)

E: 1/4″ (6.35mm)

F: 2-7/16″ (61.91mm)

G: 1/16″ (1.59mm)

H: 1-41/64″ (41.67mm)

I: 13/32″ (10.32mm)

Min. Matl. Thickness: 1-3/4″ (44.45mm)

Wood Screw Sizes: #10×2-1/2″

Soft Wood Pilot Hole: No. 43

Hard Wood Pilot Hole: No. 31

Machine Screw Sizes: #10-24×3/4″

Hinge Weight: 2.15 lb.

Model 100 Specification Drawing
Boardwalk

US4 - Satin Brass
BHMA Code 678

Boardwalk

US26D - Satin Chrome
BHMA Code 682

Athens

US15 - Satin Nickel

Boardwalk

US19 - Black E-Coated
BHMA Code 676

 

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ALL IN ONE. ALLEGION.

As part of Allegion’s family of pioneering brands, SOSS benefits from the strength, efficiencies, resources, and integration from a global power. In turn, we pass those advantages on to you.

Allegion helps keep people safe and secure where they live, work and visit. With more than 30 brands sold worldwide, we specialize in security around the doorway and beyond. It’s the power of one.

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