Best M12 Flat Washers in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 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 |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Manufactured in China
Easy to use
Highly durable
Flat Faucet Washers
Trade Size 0
17/32 In. OD
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Manufactured in china
Easy to use
Highly durable
Flat Faucet Washers
Trade Size 3/8M
21/32 In. OD
Color: Pink
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Moofin | 9.88 | ✅ | ✅ | ✅ |
Flat Faucet Washers
Trade Size 000
15/32 In. OD
Colour: White
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Manufactured in China
Easy to use
Highly durable
Assortment of Flat Faucet Washers and Bibb Screws in the Most Popular Sizes
Includes (2) 3/8" x 10-24 Thread Bibb Screws, (2) 3/8" x 8-32 Thread Bibb Screws, (2) 3/8" x 6-32 Bibb Screws, (2) 17/32" OD Washers,
(2) 1/2" OD Washers, (2) 3/4" OD Washers, (2) 9/16" OD Washers, (2) 19/32" OD Washers, (2) 5/8" OD Washers and (2) 21/32" OD Washers; Brass Screws
Rubber Faucet Washers
Package includes 20 pieces
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Flat Faucet Washers
Trade Size 3/8L
11/16 In. OD
Color: Purple
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MaxWarehouse | 9.82 | ❌ | ❌ | ❌ |
Manufactured in China
Easy to use
Highly durable
Flat Faucet Washers
Trade Size 0
1/2 Inch OD
Color: Grey
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Lines Out Enterprises Inc. DBA Super Surplus | 5.33 | ❌ | ❌ | ❌ |
Manufactured in china
Easy to use
Highly durable
Flat Faucet Washers
Trade Size 1/2
3/4 Inch OD
Color: Yellow
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Flat Faucet Washers
Trade Size 1/2L
25/32 In. OD
Light Green
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Markdown Mania | 9.63 | ❌ | ❌ | ❌ |
Flat Faucet Washers
Trade Size 3/8
5/8 Inch OD
Color: Orange
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Markdown Mania | 9.63 | ❌ | ❌ | ❌ |
Flat Faucet Washers
Trade Size 1/4L
19/32 In. OD
Color: Blue
Package includes (2) Faucet Washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Flat Faucet Washers
Trade Size 1/4
9/16 Inch OD
Color: Green
Package includes (2) Faucet Washers
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Brasscraft Mfg | 11 |
We've carried out a comprehensive analysis of 28 reviews on flat washers, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select flat washers priced around $7.64, with top brands including wensilon, ylyl, hardlad, lupanter, kindroufly and marine bolt supply and small parts
Our team of expert editors reviewed these high-quality items and handpicked the top 11 flat washers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include wensilong, ylyl direct, faiq ahmed, lupanter hardware store, kindroufly and marine bolt supply and amazon.com .
We are dedicated to assisting our users in finding the right washers Products based on their needs, saving them considerable time when choosing which flat washers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
