Spring lock washers are essential for preventing loosening in bolted assemblies due to vibration and thermal expansion. Ensuring you select the correct type and size is crucial for maintaining the integrity and safety of your projects, whether for mechanical applications or even decorative jewelry settings. The right washer guarantees a secure fit and long-lasting performance.
Looking for the best Spring Lock Washers?
Discover now our comparison of the best Spring Lock Washers. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Spring Lock Washers are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Spring Lock Washers in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
Sieqioor 158Pcs Spring Lock Washer Assortment Kit, 6# 8# 10# 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" SAE Split Lock...
- 【SPRING LOCK WASHER】This kit includes 158pcs high-quality SAE spring lock washers, organized into 9 sizes: 6#(30pcs), 8#(30pcs), 10#(30pcs), 1/4"(30pcs) 5/16"(18pcs), 3/8"(10pcs), 7/16" (4pcs), 1/2"(4pcs), 5/8"(2pcs) 9 different SAE sizes of lock...
- 【PREMIUM 304 STAINLESS STEEL】Crafted from 304 stainless steel, these split lock washers are engineered for superior resistance to rust, corrosion, and oxidation. They are ideal for demanding indoor and outdoor applications, ensuring long-term...
- 【SPLIT LOCK WASHER ACTION】These lock washers are engineered to prevent loosening of nuts, bolts, and screws caused by vibration. They apply continuous tension to maintain clamp force, ensuring the stability and assembly integrity of your machines and...
- 【VERSATILE USE】 Spring washers are highly compatible with standard SAE screws, nuts, and bolts. This makes them ideal for a wide range of applications, including machinery, furniture repair, outdoor construction, automotive, and electrical...
- 【CONVENIENT STORAGE CASE】All sizes of spring lock washers are individually stowed in a durable, clear storage case. This organization prevents loss and mixing, ensuring the right washer is always at hand.
No. 2
Vifmy Spring Lock Washers Assortment Kit(1000 Pack), M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Metric Split Lock Washer...
- Spring Lock Washers: The metric spring lock washers assortment kit contains 9 sizes 1000 pcs, which are m2(200 pcs),m2.5(200 pcs),m3(200 pcs),m4(180 pcs),m5(80 pcs),m6(60 pcs),m8(50 pcs),m10(20 pcs),m12(10 pcs) ,9 different sizes of lock washers From...
- 304 Stainless Steel: 304 Stainless steel split lock washer are made of high-strength materials with good corrosion resistance and long service life. Compared to galvanised materials, the oxidation resistance, corrosion resistance and rust resistance are...
- Split Lock Washer Function: Split washer are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction, and play a role in preventing loosening and fixing objects to ensure the stability of machines
- Convenient Storage: Each of the 9 different sizes of spring lock washers are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the spring lock washers will not be lost or mixed up during use
- Wide Application: Spring washers are highly compatible with screws, nuts and bolts of the same size and can be used to connect moving parts or to prevent loose connections, such as in furniture repair, outdoor construction, and electrical maintenance
No. 3
Vifmy SAE Spring Lock Washers Assortment Kit(910 Pack), #4#6#8#10#12 1/4" 5/16" 3/8" 1/2" SAE Split Lock...
- Spring Lock Washers: The sae spring lock washers assortment kit contains 9 sizes 910 pcs, which are #4(200 pcs) #6(200 pcs) #8(200 pcs) #10(130pcs) #12(80 pcs) 1/4"(44 pcs) 5/16"(36 pcs) 3/8"(14 pcs) 1/2"(6 pcs), 9 different sizes of lock washers from...
- 304 Stainless Steel: 304 Stainless steel split lock washer are made of high-strength materials with good corrosion resistance and long service life. Compared to galvanised materials, the oxidation resistance, corrosion resistance and rust resistance are...
- Split Lock Washer Function: Split washer are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction, and play a role in preventing loosening and fixing objects to ensure the stability of machines
- Convenient Storage: Each of the 9 different sizes of spring lock washers are individually stowed by type in an easy to carry clear case. Easy to store and use,so that the rivnut will not be lost or mixed up during use
- Wide Application: Spring washers are highly compatible with screws, nuts and bolts of the same size and can be used to connect moving parts or to prevent loose connections, such as in furniture repair, outdoor construction, and electrical maintenance
No. 4
binifiMux 1150pcs M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Spring Lock Washers Assortment Kit, 304 Stainless Steel
- Name: Split lock washers assortment kit;
- Include size: M2, M2.5, M3, M4, M5, M6, M8, M10, M12;
- If you receive defect units, please contact my team first for satisfying your needs;
- Features: anti-rust, corrosion resistance, strong strength.
- Commonly used together with flat washers to furthur fasten the screws / bolts by more friction force from split lock washers.
No. 5
Ruibapa 360 Pcs Flat Washer and Spring Lock Washers Assortment Kit,7 SAE Sizes Washers for Bolts...
- Kit contains: a total of 360pcs, Flat Washers and Lock Washers in six sizes, including SAE sizes: 1/2, 3/8, 5/16, 1/4, 10 #, 8 # and 6 #. A complete range to meet your various needs.
- Storage conditions: the product comes with a storage box with a separate compartment, which is convenient for taking model classification and storage.
- Material: All gaskets in the kit are made of high-quality 304 stainless steel, which has strong corrosion resistance and long service life and can survive in extreme weather and harsh environment.
- Application: Washer kits are mainly used to reduce friction or pressure, and are often used in automobiles, industries and families to protect surfaces from damage, reduce the wear of bolts and screws, and help prevent material deformation.
- Tips: Flat washers&Lock Washers are fine in workmanship. If you have any problems when using them, please contact us in time and we will deal with them as soon as possible.
No. 6
Sieqioor 376Pcs Spring Lock Washer Assortment Kit, 4# 6# 8# 10# 12# 1/4" 5/16" 3/8" 1/2" 9/16" 5/8" 3/4" SAE...
- 【SPRING LOCK WASHER】This kit includes 376pcs high-quality SAE spring lock washers, organized into 12 sizes: 4#(80pcs), 6#(80pcs), 8#(60pcs),10#(40pcs), 12#(40pcs), 1/4"(40pcs), 5/16"(15pcs), 3/8"(12pcs), 1/2"(4pcs), 9/16" (2pcs), 5/8"(2pcs...
- 【PREMIUM 304 STAINLESS STEEL】Crafted from 304 stainless steel, these split lock washers are engineered for superior resistance to rust, corrosion, and oxidation. They are ideal for demanding indoor and outdoor applications, ensuring long-term...
- 【SPLIT LOCK WASHER ACTION】These lock washers are engineered to prevent loosening of nuts, bolts, and screws caused by vibration. They apply continuous tension to maintain clamp force, ensuring the stability and assembly integrity of your machines and...
- 【VERSATILE USE】 Spring washers are highly compatible with standard SAE screws, nuts, and bolts. This makes them ideal for a wide range of applications, including machinery, furniture repair, outdoor construction, automotive, and electrical...
- 【CONVENIENT STORAGE CASE】All sizes of spring lock washers are individually stowed in a durable, clear storage case. This organization prevents loss and mixing, ensuring the right washer is always at hand.
SaleNo. 7
Aienxn 1000PCS Spring Lock Washers Assortment Kit, 9 Metric Sizes -M2, M2.5, M3, M4, M5, M6, M8, M10, M...
- Premium Quality: Aienxn lock washers and flat washers are made of 304 stainless steel
- Features: Aienxn Split lock washers and flat washers are not easy to deform, has high strength, corrosion resistance and rust prevention, and can be used for a long time in harsh environments such as high temperature, cold and high humidity areas
- Wide Application: Flat washers and spring lock washers are designed for electrical connections of household and commercial appliances, automobiles and ships with threaded/bolted connections
- Size: The spring lock washers and flat washers both have 9 sizes, total 1000 pcs, M2, M2.5, M3, M4, M5, M6, M8, M10, M12, the most commonly used stainless steel gasket is packed in a plastic box, and different sizes can meet your different needs
- Compatible: Aienxn spring lock washers and flat washers are highly compatible with screws, nuts and bolts of the same size, and has a solid supporting surface to prevent the nut/bolt head from tearing the material
- Timely reply: If you have any questions, please contact us by email and we will reply you within 24 hours
No. 8
Vifmy Metric & SAE Spring Lock Washers Assortment Kit(1780Pcs), M2 M2.5 M3 M4 M5 M6 M8 M10 M...
- Spring Lock Washers: The metric sae spring lock washers assortment kit contains 18 sizes 1780 pcs, which are M2(200 pcs),M2.5(200 pcs),M3(200 pcs),M4(180 pcs),M5(100 pcs),M6(100 pcs),M8(80 pcs),M10(40 pcs),M12(20 pcs) #4(100pcs) #6(100 pcs) #8(100 pcs...
- 304 Stainless Steel: 304 Stainless steel split lock washer are made of high-strength materials with good corrosion resistance and long service life. Compared to galvanised materials, the oxidation resistance, corrosion resistance and rust resistance are...
- Split Lock Washer Function: Split washer are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction, and play a role in preventing loosening and fixing objects to ensure the stability of machines
- Convenient Storage: Each of the 18 different sizes of spring lock washers are individually stowed by type in an easy to carry clear case. Easy to store and use, so that the rivnut will not be lost or mixed up during use
- Wide Application: Spring washers are highly compatible with screws, nuts and bolts of the same size and can be used to connect moving parts or to prevent loose connections, such as in furniture repair, outdoor construction, and electrical maintenance
No. 9
1100 Pcs Spring Lock Washers Assortment Kit, Metric M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Split Spring Lock Washer...
- Premium 304 Stainless Steel Construction: Our 1100 Pcs Spring Lock Washers Assortment Kit is made of high-quality 304 stainless steel, delivering excellent corrosion resistance and long-lasting durability. These silver washers perform reliably even in wet...
- Superior Anti-Loosening Performance: Each split spring lock washer features excellent anti-loosening properties, firmly securing fasteners to prevent accidental loosening caused by vibration, thermal expansion, or other external factors. It provides a...
- 9 Versatile Metric Sizes with Sufficient Quantity: This assortment set includes 9 metric sizes (M2, M2.5, M3, M4, M5, M6, M8, M10, M12) to cover diverse needs: 300 pcs M2, 200 pcs M2.5, 200 pcs M3, 180 pcs M4, 80 pcs M5, 60 pcs M6, 50 pcs M8, 20 pcs M...
- Wide Application Across Industries: These 304 stainless steel washers are suitable for a broad range of applications, including mechanical engineering, electronics assembly, furniture installation, automotive repair, and more. They serve as an ideal...
- Organized & Convenient to Use: The split spring lock washer assortment set comes with clearly classified sizes, ensuring easy access and selection for any project. The sufficient quantity and versatile size range eliminate the need for frequent...
No. 10
M8 Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 100PCS
- 【Dimension】M8
- 【High Quality Stainless】This split lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut.
- 【What You Get】100pcs x Split Lock Washer
- 【Rest Assured】24h private customer service to respond to after-sales problems.If you don't know what size is right for you, feel free to contact us.
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Last update on 2026-04-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Spring Lock Washers
Key Factors for Choosing Spring Lock Washers
When selecting spring lock washers, consider these crucial aspects to ensure optimal performance and longevity:- Material: The material of the washer directly impacts its corrosion resistance and strength. Stainless steel is a popular choice for its durability and resistance to rust, making it suitable for various environments, including outdoor or marine applications. Carbon steel washers, often zinc-plated for corrosion protection, offer good strength but may be less resistant to harsh conditions than stainless steel. For specialized needs, consider alloys like brass or bronze for specific electrical conductivity or corrosion resistance properties.
- Size and Fit: Proper sizing is paramount for effective performance. Spring lock washers are designed to fit specific bolt and nut sizes. The inner diameter should closely match the bolt's diameter, allowing it to sit flush without excessive play. The outer diameter and thickness will influence the bearing surface and the amount of spring tension provided. Always consult sizing charts or measure existing components to ensure compatibility with your hardware.
- Type of Washer: While the classic split ring design is common, other variations exist. Helical spring lock washers, for instance, are made from a single piece of spring steel coiled into a helical shape. These can offer more consistent tension and are less prone to losing their springiness over time compared to some split types. Choose the type that best suits the application's vibration levels and required holding power.
Frequently Asked Questions
What is the primary function of a spring lock washer?
A spring lock washer's main purpose is to prevent a fastener assembly from loosening. It achieves this by providing a spring tension between the bolt head or nut and the bearing surface, counteracting vibrations and thermal expansion.
Can spring lock washers be reused?
While they can sometimes be reused, it's generally not recommended for critical applications. Each use can slightly deform the washer, reducing its spring tension and effectiveness. For maximum security, new washers are preferred, especially in high-stress environments.
What is the difference between a spring lock washer and a flat washer?
A flat washer distributes the load of a fastener evenly over a surface and prevents damage. A spring lock washer, in contrast, adds spring tension to the assembly, actively working to prevent loosening caused by vibration or movement.
Are there specific applications where spring lock washers should not be used?
Spring lock washers may not be ideal for applications where extreme vibration or significant thermal cycling occurs, as their spring tension can eventually be overcome. They are also less effective on very soft materials where they might dig in and cause damage.
