Best M10 Spring Lock Washers in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12](https://m.media-amazon.com/images/I/61j4eLxaMUL._AC_SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12](https://m.media-amazon.com/images/I/619hIto9UyL._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 Stainless Steel External Tooth Star Lock Washers Assortment Set
【✔】Set Includes 8 Most Used Sizes: M2.5 M3 M4 M5 M6 M8 M10 M12 【Metric, please See Picture 2 for Specific Dimensional Size】
【✔】Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment
【✔】Package Quantity: 300-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box
【✔】A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JianFeng Store | 9.86 | ✅ | ✅ | ✅ |
Internal Tooth Star Lock Washers: High Quality Stainless Steel External Tooth Star Lock Washers Set of 320 pcs, includes the most commonly used 8 sizes: M2.5: 50 pcs / M3: 50 pcs / M4: 50 pcs / M5: 50 pcs / M6: 50 pcs / M8: 30 pcs / M10: 20 pcs / M12: 20 pcs.
Features: Internal Tooth Lock Washer Star exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
Material: Made of high-quality 304 stainless steel environmentally friendly materials, high strength (not easy to deform), wear-resistant, corrosion-resistant, rust-resistant and oxidation-resistant. All gaskets will be packaged in a sturdy clear plastic box that can be used in a storage box.
Applications: Widely used in a variety of screw fastening applications, ideal for electrical connections in household and commercial appliances, automobiles and ships.
100% SERVICE: We Promise the Premium Quality and the Best Service, If You are Not Completely Satisfied with Your Purchase Simply Let us Know.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
【✔】High Quality Stainless Steel External Internal Tooth Star Lock Washers Assortment Set
【✔】Set Includes 8 Most Used Sizes: M2(2.5) M3 M4 M5 M6 M8 M10 M12 【Metric, please See Picture 2 for Specific Dimensional Size】
【✔】Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment
【✔】Package Quantity: 400-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box
【✔】 A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
【✔】High Quality 304 Stainless Steel Internal Tooth Starlock Washers Kit
【✔】Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment
【✔】Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12【 Please See Picture 2 for Specific Dimensional Size】
【✔】Package Quantity: 180-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box
【✔】A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JianFeng Store | 9.86 | ✅ | ✅ | ✅ |
External Tooth Star Lock Washers: High Quality Stainless Steel External Tooth Star Lock Washers Set of 320 pcs, includes the most commonly used 8 sizes: M2.5: 50 pcs / M3: 50 pcs / M4: 50 pcs / M5: 50 pcs / M6: 50 pcs / M8: 30 pcs / M10: 20 pcs / M12: 20 pcs.
Features: Internal Tooth Lock Washer Star exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
Material: Made of high-quality 304 stainless steel environmentally friendly materials, high strength (not easy to deform), wear-resistant, corrosion-resistant, rust-resistant and oxidation-resistant. All gaskets will be packaged in a sturdy clear plastic box that can be used in a storage box.
Applications: Widely used in a variety of screw fastening applications, ideal for electrical connections in household and commercial appliances, automobiles and ships.
100% SERVICE: We Promise the Premium Quality and the Best Service, If You are Not Completely Satisfied with Your Purchase Simply Let us Know.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
【✔】High Quality Internal Tooth Starlock Washers Kit
【✔】Made of 65Mn Metal Steel, Anti-corrosion and Durable
【✔】Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12【 Please See Picture 2 for Specific Dimensional Size】
【✔】Package Quantity: 600-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box
【✔】A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hilitchi | 9.88 | ✅ | ✅ | ✅ |
【✔】High Quality Internal Tooth Starlock Washers Kit
【✔】Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12【 Please See Picture 2 for Specific Dimensional Size】
【✔】Made of 65Mn Metal Steel, Anti-corrosion and Durable
【✔】Package Quantity: 280-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box
【✔】A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Connectors & Wire & Tools | 9.90 | ✅ | ✅ | ✅ |
1. Product Type: High precision starlock push on locking washers
2. Product Material: High quality 65Mn steel, hard and durable
3. Package Include: 7 size of M3 M4 M5 M6 M8 M10 M12 total 280pcs in a transparent box, applicable to different sizes of fasteners
4. Product Feature: A Lock washer exerts a spring force between the fasteners head and the substrate to create more friction and resistance to rotation
5. Application: Widely used in machinery equipment, industrial production of shock absorption and insulation
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Xia Men Hai Rui Peng | 9.74 | ✅ | ✅ | ✅ |
➤【Set Include】: 7 size of M3 M4 M5 M6 M8 M10 M12 total 260pcs in a transparent box, applicable to different sizes of fasteners
➤【 Material 】: High Quality 65Mn metal steel, anti-corrosion and durable
➤【Type】: High Quality Internal Tooth Starlock Washers Kit
➤【Wide Application】: Widely used in machinery equipment, industrial production of shock absorption and insulation,can meet your different needs in daily life
➤【Feature】: A Lock washer exerts a spring force between the fasteners head and the substrate to create more friction and resistance to rotation
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HELIFOUNER | 9.89 | ✅ | ✅ | ✅ |
【Sizes】M3, M4, M5, M6, M8, M10, M12 internal tooth star lock washers, total 7 sizes 320 pieces in a transparent box, different sizes can meet your different needs. Perfect accessories of shock absorption for machinery equipment. Easy to install and durable to use
【Material】High Quality 65Mn metal steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
【Function】Internal tooth star lock washers provide spring force, grip sturdy, create more friction and resistance to rotation between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
【Wide Applications】Widely used in machinery equipment, industrial production of shock absorption, can meet your different needs in daily life. Whenever you need us, please free to contact us, we will give you a professional service and reply you within 24 hours.
【Package】320 pieces 7 sizes in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain internal tooth star lock washer, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HELIFOUNER | 9.89 | ✅ | ✅ | ✅ |
【Sizes】M2 M2.5 M3 M4 M5 M6 M8 M10 M12, total 900 pieces/9 sizes of the most commonly used stainless steel spring lock washers, metal lock washers in a plastic case, different sizes can satisfy your different needs.
【Design】Lock washers, spring lock washers, metal lock washers are designed for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
【Material】304 Stainless Steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
【Weak Magnetic】The magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 304 steel always show weak magnetic properties.
【Wide Applications】Highly compatible with screws, nuts and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material. Designed to spread the load of a screwed fastening and prevent loosening in industrial, shop, decks and fence building, automotive and home appliances.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TRENTON | 7.40 | ❌ | ❌ | ❌ |
Material: 65 Mn Steel
Features: Durable, Rust Resistance, Easy to Use, Locking Washer
These washers create a permanent installation and will lock on plastic, steel etc.
Made of 65 Mn steel, these washers are durable, strong, rust resistant and long lasting.
A locking washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Hilitchi | 5 |
| Helifouner | 2 |
| Qteatak | 2 |
| Glarks | 1 |
| Mogen886 | 1 |
| Spzcdza | 1 |
We've carried out a comprehensive analysis of 5,400 reviews on spring lock washers, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select spring lock washers priced around $12.19, with top brands including and lightning stainless and fastenere
Our team of expert editors reviewed these high-quality items and handpicked the top 12 spring lock washers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include and inrox .
We are dedicated to assisting our users in finding the right washers Products based on their needs, saving them considerable time when choosing which spring lock washers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP1](https://m.media-amazon.com/images/I/61j4eLxaMUL._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP1](https://m.media-amazon.com/images/I/51yEmPUOJlL._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP2](https://m.media-amazon.com/images/I/41tC+pyP3UL._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP3](https://m.media-amazon.com/images/I/51XJoBtlS1L._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP4](https://m.media-amazon.com/images/I/51CeXaB0uDL._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP5](https://m.media-amazon.com/images/I/41TQgRgrmhL._SL500_.jpg)
![Hilitchi 300-Pcs [8-Size] 304 Stainless Steel External Tooth Star Lock Washers Assortment Set - Size Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP6](https://m.media-amazon.com/images/I/61yB05OGGCL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP3](https://m.media-amazon.com/images/I/619hIto9UyL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP1](https://m.media-amazon.com/images/I/61o-JYyhszL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP2](https://m.media-amazon.com/images/I/41AlEGhLHeL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP3](https://m.media-amazon.com/images/I/51PYwjuIknL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP4](https://m.media-amazon.com/images/I/610hzxW+6CL._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP5](https://m.media-amazon.com/images/I/51fGqR0Ld4L._SL500_.jpg)
![Hilitchi 400-Pcs [8-Size] 304 Stainless Steel External Internal Tooth Star Lock Washers Assortment Kit - Included: M2 M3 M4 M5 M6 M8 M10 M12 #TOP6](https://m.media-amazon.com/images/I/51sRZwuPytL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP6](https://m.media-amazon.com/images/I/51CWzq526oL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP1](https://m.media-amazon.com/images/I/51qqGzS6IvL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP2](https://m.media-amazon.com/images/I/413Zj2ygUeL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP3](https://m.media-amazon.com/images/I/61aCLwpJtvL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP4](https://m.media-amazon.com/images/I/41eLoQJ5bxL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP5](https://m.media-amazon.com/images/I/51ZmywCi1AL._SL500_.jpg)
![Hilitchi 600-Pcs [7-Size] Internal Tooth Starlock Washers Assortment Kit, Quick Speed Locking Washers, Black Oxide Finish #TOP6](https://m.media-amazon.com/images/I/51Q-uIfTV8L._SL500_.jpg)
