90 Degree Adjustable Back Flap Hinge - Silver

Upgrade your furniture with this set of 2 adjustable back flap hinges. Designed with a 90-degree o...

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OnBuy.com2 Pcs 90 Degree Adjustable Back Flap Hinge 90 Degree Page Turning Axis Adjustable Cabinet Door Hidden Hinge Dedicated Table Drop Hinge For Folding 616943867923
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Product Information

Full details

The Ysruanh 90 Degree Adjustable Back Flap Hinge is designed for DIY enthusiasts and furniture makers who need a reliable, low-profile hardware solution for folding tables or cabinet doors. Its primary benefit is the seamless, flush finish it provides when closed, allowing for a clean aesthetic in kitchens or home offices. However, users should note that the 90-degree limitation may restrict the access width compared to traditional cabinet hinges, making it better suited for specific folding applications rather than full-access storage doors.

All features

ColourSilver
BrandYsruanh

Extended Product Information

FAQs

Are these hinges suitable for outdoor furniture?

These hinges are primarily designed for indoor use; exposure to moisture may cause the metal to oxidize or degrade over time.

Can I use these for heavy solid wood doors?

These are intended for standard furniture-scale flaps and cabinet doors; they are not recommended for heavy doors.

Do I need special tools for installation?

Standard tools such as a drill, a screwdriver, and a measuring tape are sufficient for most wood furniture projects.

Can the 90-degree angle be adjusted to go further?

No, the 90-degree stop is an inherent mechanical feature of the hinge and cannot be adjusted beyond that specific angle.

How many hinges should I use for a long table leaf?

For stability and to prevent sagging, it is recommended to use at least two hinges, or three for leaves exceeding 30 inches in width.

Troubleshooting

The flap does not sit flush when closed

Adjust the mounting depth of the hinge within the mortise; ensure the cutout is deep enough for the hinge body to seat properly.

Hinge feels stiff during operation

Apply a light, non-staining machine lubricant to the pivot point and wipe away any excess to prevent debris buildup.

Screws keep coming loose

Use a small amount of wood glue or a toothpick dipped in glue within the screw hole to provide better grip for the fasteners.

Pros and Cons

Pros

  • Clean, flush finish creates a professional look
  • Sturdy construction suitable for folding furniture
  • Straightforward installation for intermediate DIYers
  • Hidden profile hides hardware from view

Cons

  • Limited to a fixed 90-degree opening angle
  • Not suitable for heavy-duty entry doors
  • Requires precise measurement for accurate alignment

Setup, Compatibility & Care

For a successful installation, first ensure the surface of your furniture is flat. Mark the placement of the hinge recesses carefully; because these are hidden hinges, even a small deviation can cause the door to sit unevenly. Use a drill to pilot holes before driving the included screws to prevent wood splitting. Compatibility-wise, these are intended for wood-based furniture projects. For maintenance, periodically check that the mounting screws remain tight, as the repeated stress of folding and unfolding can loosen connections over time. Wipe the silver metal surface with a dry, lint-free cloth to maintain its shine; avoid harsh chemical cleaners that may strip the protective finish.

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