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Home / Floor Springs / No-Dig Floor Spring: Black Concealed Overhead Hinge, Slot-Free 90-Degree Self-Closing Mechanism for Frameless Glass Doors

Attributes

Brand -
Category Basic Building Materials / Floor Springs
Origin -
Finish Matte Black
Installation Type Surface Mounted (No Digging)
Door Opening Angle 90 Degrees
Closing Mechanism Hydraulic Self-Closing
Compatible Door Type Frameless Glass Doors
Max Door Weight Capacity 176 lbs (80 kg)
Material Zinc Alloy & Stainless Steel
Mounting Orientation Overhead Concealed Hinge
Adjustability Speed and Latch Adjustable
Warranty 2-Year Limited Warranty

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 5/5

High quality hardware

Very impressed with the build quality. The matte black coating seems durable and scratch-resistant. It holds the heavy glass door securely and closes it gently every time.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Smooth operation

Installed this on our office entrance. The self-closing mechanism is smooth and quiet. No more slamming doors. The fact that no slot cutting was required saved us hundreds in labor costs.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Sleek and functional

This hinge completely transformed the look of our shower enclosure entrance. It feels very premium and the no-dig feature made DIY installation possible for me. Highly satisfied.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect solution for retrofitting

I needed a floor spring for an existing glass door without breaking up the concrete floor. This no-dig model was exactly what I needed. The black finish looks sleek and professional. Installation took about 45 minutes.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Great look, minor adjustment needed

The hinge is very sturdy and the concealed design is beautiful. It took a little trial and error to get the closing speed just right, but once adjusted, it works perfectly. Would recommend having a second person help with alignment.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Good value for money

Does exactly what it says. Easy to install if you follow the template provided. The only reason for 4 stars instead of 5 is that the screws provided were slightly shorter than I expected, so I used my own.

5 FAQ

Q: Can this be installed on a tempered glass door that is already hung?

A: Yes, this surface-mounted design is specifically engineered for retrofitting existing doors without the need to remove the glass or cut into the floor.

Q: Is the closing speed adjustable?

A: Absolutely. There are two adjustment valves on the unit that allow you to independently control the main closing speed and the final latching speed.

Q: Does the black finish rust if used in a humid bathroom environment?

A: The finish is a corrosion-resistant powder coat applied over zinc alloy and stainless steel components, making it suitable for high-humidity indoor environments like bathrooms.

Q: What is the maximum thickness of the glass door this supports?

A: This model is designed to accommodate frameless glass doors with a thickness ranging from 8mm to 12mm (5/16" to 1/2").

Q: Can this hold the door open at 90 degrees or does it always close?

A: This is a self-closing mechanism. It will automatically close the door from any open position up to 90 degrees. It does not have a hold-open function.

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