Best M10 Spring Lock Washers in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 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 |
|---|---|---|---|---|
| JianFeng Store | 9.86 | ✅ | ✅ | ✅ |
1. 304 Stainless Steel Spring Lock Washers Set，Good Corrosion Resistance, It Can Be Used in a Humid Environment.
2. 7 Most Used Sizes: M2.5 M3 M4 M5 M6 M8 M10, Flat & Lock
3. 260 Pieces，Packed in A Sturdy Transparent Plastic Case
4. As a Reliable, Responsible Professional Producer, We Will Not Cut Corners on the Quality of Products.
5. NOTE Cause of the Small Size, Please Keep it Properly, Avoid to Play by Children and Lead to Accidental Swallow or other Dangers!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Lena Home Tools | 9.89 | ✅ | ✅ | ✅ |
Internal tooth star lock washers exert a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate, these push nuts can be used as a kind of automobile fasteners.
Package included: 200pcs 5 sizes of M2, M2.5, M3, M4, M5 locking washers in a transparent plastic case-each size 40 pieces to meet different needs.
High quality: 65Mn metal steel material, anti-corrosion and durable
Function: Provide spring force, grip sturdy, create more friction and resistance to rotation.
Wide application: These push nuts can be widely used in machinery, furniture, electrical appliances, electronic equipment, cars, sports equipment and industrial production of shock absorption and insulation.
| 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 |
|---|---|---|---|---|
| DQI SUPPLIES | 7.28 | ✅ | ✅ | ✅ |
DIMENSIONS: Inside Diameter: 1/2", Outside Diameter: 7/8", Pack of 100, 304 stainless steel.
STAINLESS STEEL: Made from stainless steel for superior corrosion resistance, there're strong and not easy to deform or slip.
LOOSENING PREVENTION: The spring washer offers axial flexibility that's intended to protect fastened assemblies against loosening from vibration.
MULTI PURPOSES: Spring washers allow for the distribution of faster's load as well, but they are particularly useful for applications involving vibrations.
FASTENER TREE SERVICE: Whenever you need us, please contact us by email or Q&A, we will give you a professional service and reply to you within 25 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DQI SUPPLIES | 7.28 | ✅ | ✅ | ✅ |
DIMENSIONS: Inside Diameter: 6mm(0.24"), Outside Diameter:10mm(0.39"), Pack of 100, 304 stainless steel.
STAINLESS STEEL: Made from stainless steel for superior corrosion resistance, there're strong and not easy to deform or slip.
LOOSENING PREVENTION: The spring washer offers axial flexibility that's intended to protect fastened assemblies against loosening from vibration.
MULTI PURPOSES: Spring washers allow for the distribution of faster's load as well, but they are particularly useful for applications involving vibrations.
FASTENER TREE SERVICE: Whenever you need us, please contact us by email or Q&A, we will give you a professional service and reply to you within 27 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DQI SUPPLIES | 7.49 | ✅ | ✅ | ✅ |
DIMENSIONS: Inside Diameter: 10mm(0.39"), Outside Diameter:15mm(0.59"), Pack of 50, 304 stainless steel.
STAINLESS STEEL: Made from stainless steel for superior corrosion resistance, there're strong and not easy to deform or slip.
LOOSENING PREVENTION: The spring washer offers axial flexibility that's intended to protect fastened assemblies against loosening from vibration.
MULTI PURPOSES: Spring washers allow for the distribution of faster's load as well, but they are particularly useful for applications involving vibrations.
FASTENER TREE SERVICE: Whenever you need us, please contact us by email or Q&A, we will give you a professional service and reply to you within 29 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ZAYI | 5.60 | ✅ | ✅ | ✅ |
Package Included: 100 x Split Lock Washers. Inner Dia: 0.39" / 10mm; Outer Dia: 0.63" / 16mm.
Split Lock washers apply greater bolt tension per unit of applied torque as well as a hardened bearing surface adding to a more uniform torque control.
These lock washers resist loosening caused by vibration and corrosion.
Washer's surface are smooth can reduces friction between the fasteners, preventing isolates, preventing loosening and dispersion pressure.
Ideal for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WenSiLong | 9.76 | ✅ | ✅ | ✅ |
WHAT YOU GET: 100 stainless steel #8x3/8" Spring Lock Washers ideal for use in sheet metal and wet environments with very high form corrosion resistance in 304 material
304 MATERIAL: Our Spring Lock Washers are made of 304 stainless steel, which is longer lasting than other hardware on the market and will last longer in harsh environments such as high temperature, low temperature and high humidity.
WIDELY USED: Our Spring Lock Washers can be used to fix bolts with diameter smaller than the hole of the washer, suitable for general industry such as indoor decoration, outdoor construction, electrical repair and furniture repair.
PRODUCT FUNCTION: Our Spring Lock Washers are used to distribute the load of threaded bolts, screws and nuts, providing a smooth load bearing surface
SIZE: Inner diameter 0.67in Outer diameter 0.44in Thickness 0.1in
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WenSiLong | 9.75 | ✅ | ✅ | ✅ |
WHAT YOU GET: 100 stainless steel #8x3/8" Spring Lock Washers ideal for use in sheet metal and wet environments with very high form corrosion resistance in 304 material
304 MATERIAL: Our Spring Lock Washers are made of 304 stainless steel, which is longer lasting than other hardware on the market and will last longer in harsh environments such as high temperature, low temperature and high humidity.
WIDELY USED: Our Spring Lock Washers can be used to fix bolts with diameter smaller than the hole of the washer, suitable for general industry such as indoor decoration, outdoor construction, electrical repair and furniture repair.
PRODUCT FUNCTION: Our Spring Lock Washers are used to distribute the load of threaded bolts, screws and nuts, providing a smooth load bearing surface
SIZE: Inner diameter 0.475in Outer diameter 0.295in Thickness 0.07in
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Fastener Tree | 3 |
| Wensilon | 2 |
| Helifouner | 1 |
| Oiiki | 1 |
| Qteatak | 1 |
| Zayi | 1 |
We've carried out a comprehensive analysis of 1,489 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 $11.76, with top brands including and lightning stainless and fastenere
Our team of expert editors reviewed these high-quality items and handpicked the top 9 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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