Best Cosmas Hinges in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 1/4 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.78 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ❌ | ❌ | ❌ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
DURABLE & STABLE: Thanks to KNOBWELL own factory and QC department, our matte black door hinges are long-lasting and rust-proof with smooth and convenient daily use, absolutely distinguished addition to any home.
QUICK & EASY INSTALL: Install your hinges in a flash. These hinges are easy to install. We offer 6 screws for each hinge. If you do not receive the right pack, please feel free to contact us and we will send you the replacement.
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square Hinges; Finish: Black; Material: High-Grade Quality Metal, solid and thick. Our heavy duty black door hinges can be rotated 270 degree without making noise, suitable for bedroom, bathroom, guestroom, office and any place where quietness is needed.
APPLICATIONS: These 3.5 inch door hinges square could be mounted on interior doors like cabinet, dresser drawer, wardrobe wooden door, shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
LIFETIME WARRANTY: KNOBWELL offers 1-year trial and lifetime after-sale service. If you have any problem at anytime, please feel free to contact us. We will definitely listen to your suggestion and provide 100% online-shopping satisfication.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.78 | ❌ | ❌ | ❌ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
PACKAGE INCLUDES: Selected pack of door hinges and matching screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 4 inch X 4 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
QUALITY WARRANTY: Thanks for choosing KNOBWELL. We provide 30-day return/refund and lifetime warranty. Please feel free to contact us if there is any question with package or product. Believe in KNOBWELL and we will offer you 100% satisfaction.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 4 inch X 4 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
QUALITY WARRANTY: Thanks for choosing KNOBWELL. We provide 30-day return/refund and lifetime warranty. Please feel free to contact us if there is any question with package or product. Believe in KNOBWELL and we will offer you 100% satisfaction.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
QUICK AND EASY INSTALL: Install your hinges in a flash. These hinges are headache-free to install. All you need is a door and a tool set!
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: Square; Finish: Black; Material: High-Grade Quality Metal.
APPLICATIONS: These hinges could be mounted on shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
DURABLE USE: Strong durable design and classic black finish make these interior door hinges a long lasting, distinguished addition to any home.
QUALITY WARRANTY: Thanks for choosing KNOBWELL. We provide 30-day return/refund and lifetime warranty. Please feel free to contact us if there is any question with package or product. Believe in KNOBWELL and we will offer you 100% satisfaction.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KNOBWELL | 9.79 | ✅ | ✅ | ✅ |
DURABLE & STABLE: Thanks to KNOBWELL own factory and QC department, our matte black door hinges are long-lasting and rust-proof with smooth and convenient daily use, absolutely distinguished addition to any home.
QUICK & EASY INSTALL: Install your hinges in a flash. These hinges are easy to install. We offer 6 screws for each hinge. If you do not receive the right pack, please feel free to contact us and we will send you the replacement.
SPECIFICATIONS: Size: 3-1/2 inch X 3-1/2 inch; Corners: 5/8 inch Radius; Finish: Black; Material: High-Grade Quality Metal, solid and thick. Our interior black door hinges can be rotated 270 degree without making noise, suitable for bedroom, bathroom, guestroom, office and any place where quietness is needed.
APPLICATIONS: These round door hinges 3.5 in could be mounted on interior doors like cabinet, dresser drawer, wardrobe wooden door, shed windows, shed hardware, shutters, skylights, vents, flower boxes, etc. for all kinds of outdoor buildings such as sheds, playhouses, animal shelters and more.
LIFETIME WARRANTY: KNOBWELL offers 1-year trial and lifetime after-sale service. If you have any problem at anytime, please feel free to contact us. We will definitely listen to your suggestion and provide 100% online-shopping satisfication.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Knobwell | 14 |
We've carried out a comprehensive analysis of 18,389 reviews on hinges, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select hinges priced around $33.85, with top brands including ruyufe, libertyyouxiangongsi, design house, sdlqy, amazon basics, ultra hardware, geesatis, tdchinges and ephech and decobasics
Our team of expert editors reviewed these high-quality items and handpicked the top 14 hinges for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include ryf life, kens, amazon.com, sdgl, jyong tools, tdc hinge, ephech, decobasics hardware and saidien and evanda.direct-us .
We are dedicated to assisting our users in finding the right hinges Products based on their needs, saving them considerable time when choosing which hinges to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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