Best M5 Parts Washers in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14](https://m.media-amazon.com/images/I/61DnWT8gQhL._AC_SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12](https://m.media-amazon.com/images/I/51ed4ocSFML._AC_SL500_.jpg)
* 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 |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
♛ High Quality Brass Flat Washer Assortment Kit
♛ Made of Brass, providing the good resisitance to corrosion and high temperature
♛ Set Includes 10 Most-used Sizes (Metric): M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14. (Please see figure 2 for specific size)
♛ Package Quantity: 350-Piece, All of parts will be packed in a sturdy and transparent plastic box, can be use for a storage box.
♛ Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
♛ High Quality Nylon Flat Washers Assortment Kit
♛ Made of Nylon, Used for motherboard to prevent electrical short from metal to metal contact.
♛ Set Includes 10 Most-used Sizes (Metric): M2 M2.5 M3 M4 M5 M6 M8 M10 M12. (Please see figure 2 for specific size)
♛ Package Quantity: 420-Piece, All of parts will be packed in a sturdy and transparent plastic box, can be use for a storage box.
♛ Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| URLWALL | 8.67 | ✅ | ✅ | ✅ |
🥰【High quality and durable material】URLWALL Flat Washer Set is made of plastic nylon material, smooth without burr. Features: Insulation, heat insulation, wear-resisting corrosion resistance, long service life.
🥰【Full size】It contains 500 Pieces / M2, M2.5, M3, M4, M5, M6, M8, M10 flat wahers.8 different sizes of nylon flat spacer, can meeting your different needs.
🥰【Good protection】Metric sealing NYLON washers mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure.Also to increase contact area, reduce pressure and protect parts and screws.
🥰【Widely Application】 Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
🥰【Convenient packaging】Comes with a storage box to avoid loss and messy, easy to find and store.If you have any questions about Flat Washer Round Spacer,please be free to let us know,we will serve for you wholeheartedly.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Socell Shop | 8.51 | ✅ | ✅ | ✅ |
➤SOCELL stainless washers include :M2 M2.5 M3 M4 M5 M6 M8 M10 M12 flat washers.These sizes are often needed.
➤SOCELL stainless steel washers for screws contain 700pieces flat washers and a storage box for quick and easy use.
➤Widely Application: Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection
➤These metal washers and stainless steel washers are made by Socell have good quality and high durability.The flat washers can effectively disperse the pressure generated by the fastener head,by increasing the contact area, parts can be protected from damage,and prevent loose connection between fasteners.
➤If you are not satisfied with the product can be returned,please contact us by email,we will provide you with the best quality after-sales service.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FSATNDE | 7.21 | ✅ | ✅ | ✅ |
Quality material: Made of metal and rubber, good sealing. high pressure resistant, oil resistant, sturdy and durable for long using life
Unique design: Bonded seal consists of a metal ring and a rubber gasket. The metal washer ensures that the components to be connected are reliably and securely held, rubber ring generally uses oil resistant NBR or fluorine rubber.
The assortments contain the following sizes: M6---20pcs,M8---20pcs,M10---20pcs, M12---20pcs, M14---20pcs, M16---20pcs, M18---15pcs, M20---15pcs
All the small parts are packed in a transparent plastic box with compartments, which is convenient to carry, store or reuse as a backup kit.
Application: Perfect used for mechanical device, to prevent oil, fuel and water leakage. For sealing at high and low pressures
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FSATNDE | 7.55 | ✅ | ✅ | ✅ |
Set Includes 8 most used sizes:M4 M5 M6 M8 N10 M12 M14 M16,can meet different using needs,good for your fixing or projects working.
Wedge locking washers are generally installed under the nut to prevent the nut from loosening.
Widely used in electrical connections on household and commercial appliances.
High quality 65Mn,good corrosion resistance.
All the small parts are packed in a transparent plastic box with compartments,which is convenient to carry,store or reuse as a backup kit.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Dimensions: Inner Diameter: 8mm / 0.31"(M8), Outer Diameter:13mm / 0.51", Thickness:1mm / 0.04"
Quantity: It contains 55(+/-2%)pcs stainless steel flat washers gasket.
Material: Made of stainless steel, which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance.
Feature: These washers are very strong, the flat washer provides a bearing surface for fastener load distribution or acts as a spacer.
Application: Perfect for electrical connections on automotive and marine uses in which the power source has a threaded/bolt-type connection.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Fasttend | 2 |
| Hilitchi | 2 |
| Socell | 1 |
| Urlwall | 1 |
| X Autohaux | 1 |
We've carried out a comprehensive analysis of 1,098 reviews on parts washers, using our selection criteria to identify the best options in the automotive tools & equipment. Our findings reveal that most customers typically select parts washers priced around $11.49, with top brands including redsun, big red, aff, crc, vevor, atesmo, pwaccs, torin and toolcy and snow joe
Our team of expert editors reviewed these high-quality items and handpicked the top 7 parts washers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive tools & equipment category. These include joydoz, amazon.com, elite tool center, amazon warehouse, atesmo, pwaccs inc, toolcy, generator parts and avid cycles and northern tool + equipment .
We are dedicated to assisting our users in finding the right washers Products based on their needs, saving them considerable time when choosing which parts 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.
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP1](https://m.media-amazon.com/images/I/61DnWT8gQhL._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP1](https://m.media-amazon.com/images/I/512HiBHgPxL._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP2](https://m.media-amazon.com/images/I/41brIDhL34L._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP3](https://m.media-amazon.com/images/I/51b+zNna2lL._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP4](https://m.media-amazon.com/images/I/61-U8Su5L+L._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP5](https://m.media-amazon.com/images/I/611oBDRQK7L._SL500_.jpg)
![Hilitchi 350-Pcs [10 - Size] Brass Flat Washer Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 #TOP6](https://m.media-amazon.com/images/I/61Mfgnv00bL._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP2](https://m.media-amazon.com/images/I/51ed4ocSFML._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP1](https://m.media-amazon.com/images/I/51HPSwmkUTL._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP2](https://m.media-amazon.com/images/I/41koPwJF9qL._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP3](https://m.media-amazon.com/images/I/51AXulRIcIL._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP4](https://m.media-amazon.com/images/I/51xwYVhmY7L._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP5](https://m.media-amazon.com/images/I/51m5bu8YTGL._SL500_.jpg)
![Hilitchi 420-Pcs [9 - Size] White/Black Nylon Insulating Flat Washers Gaskets Spacers Assortment Set - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 #TOP6](https://m.media-amazon.com/images/I/51kxA599qSL._SL500_.jpg)
