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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.
【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.
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
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
Premium Quality: Aienxn lock washers are made of 304 stainless steel
Features: Aienxn Split lock 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 have 8 sizes, total 1000 pcs, #4, #6, #8, #10, #12, 1/4", 5/16", 3/8", 1/2", 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
【SPRING LOCK WASHER】This kit includes 530pcs high-quality metric spring lock washers, organized into 12 sizes: M3(80pcs), M4(80pcs), M5(60pcs), M6(50pcs), M8(25pcs), M10(10pcs), 6#(80pcs), 8#(60pcs), 10#(40pcs), 1/4"(40pcs), 5/16"(15pcs), 3/8(10pcs...
【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 metric 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.
Split lock washers hardware are made of 18-8 (304) stainless steel, black finish, the highest form of corrosion-resistant steel.
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.
Designed to spread the load of a screwed fastening and prevent loosening in industrial, shop, decks and fence building, automotive and home appliances.
【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.
[Precise Specification]: This package includes 40pcs m8 lock washer (split lock washers), standard M8 size with inner diameter 8mm/0.31", outer diameter 12.5mm/0.5", and thickness 2.0mm/0.08". As small split lock washer designed for M8 fasteners, these m...
[High-quality materials]: Our split lock washer stainless steel (304 stainless steel lock washers for screws bolts) are crafted from high-grade 304 stainless steel—one of the most corrosion-resistant steel materials. The stainless steel spring & washer...
[Effective locking performance]: Designed with offset split ends, these spring lock washer (locking washer/locking washers) bite firmly into mating materials when tightened, providing enhanced bolt tension for tighter assemblies. As heavy duty split lock...
[Wide Applications]: These split lock washer for bolts (lock washers) are highly compatible with M8 screws, nuts, and bolts, and can be paired with standard washers for uniform load distribution. Ideal for indoor/outdoor installations including sheet...
[Weak Magnetic]: A natural trait of 304 stainless steel, our stainless steel lock washer exhibits inherent weak magnetism due to structural transformations during manufacturing. Unlike other stainless steel materials with stronger magnetic properties...
Split lock washers hardware are made of 18-8 (304) stainless steel, the highest form of corrosion-resistant steel.
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.
Designed to spread the load of a screwed fastening and prevent loosening in industrial, shop, decks and fence building, automotive and home appliances.
Last update on 2026-07-17 / 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.
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