Looking for the best medium split washers to keep your projects secure? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your needs.
Medium split washers are essential for keeping bolts and screws secure. They prevent loosening caused by vibration or movement, making them perfect for tough jobs.
Whether you’re working on electronics, cars, or home repairs, the right washer makes all the difference. High-quality materials like stainless steel ensure durability and rust resistance, so your projects last longer.
We’ve tested and reviewed the best medium split washers for you. Find the perfect fit for your needs and boost your confidence in every project.
List of Top 10 Medium Split Washers
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M6 Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer Elastic Gasket 100PCS |
This M6 Split Lock Washer is perfect for anyone needing reliable, rust-resistant fasteners. Ideal for DIY projects, repairs, or professional use, these stainless steel washers ensure secure connections every time. |
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Aienxn 100PCS M6 Stainless Steel Flat & Split Lock Washers, 50PCS Each, Premium Quality, High Strength & Corrosion Resistance, Ideal for Electrical Connections & Harsh Environments |
Aienxn 100PCS M6 Stainless Steel Flat & Split Lock Washers are perfect for anyone needing strong, rust-proof washers for electrical connections or harsh environments. Great for home repairs, cars, boats, and appliances. |
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1/2″ x 0.869″OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 25PCS |
This 1/2″ x 0.869″OD Split Lock Washer is perfect for anyone needing reliable, high-quality fasteners for their projects. Whether you’re a DIY enthusiast, professional builder, or hobbyist, these stainless steel washers ensure a secure lock and long-lasting durability. |
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Neprift M12 Spring Lock Washers, 304 Stainless Steel Split, Silver Elastic Gaskets Lock washers for Bolts, Nuts & Screws, 20PCS |
These Neprift M12 Spring Lock Washers are perfect for anyone needing reliable, long-lasting fasteners. Whether you’re working on home repairs, industrial projects, or DIY tasks, these stainless steel washers ensure secure and stable connections every time. |
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Zxglxinyao 900 PCS Stainless Steel Spring Lock Washer, Split Lock Washer, Split Ring Washer Bolt Screw Spring Washer, 2#, 1/8″, 5/32″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″ |
Perfect for DIY enthusiasts, mechanics, and professionals, this 900-piece stainless steel spring lock washer set is ideal for anyone working on indoor or outdoor projects where corrosion resistance and vibration protection are key. Whether you’re securing bolts in harsh environments or tackling temperature fluctuations, these durable washers ensure a reliable hold every time. |
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M6 Black Spring Lock Washer, 304 Stainless Steel, Black Coating Split Lock Washer Elastic Gasket, for Screws Fasteners, 50 PCS |
This M6 Black Spring Lock Washer is perfect for anyone who needs reliable fasteners for various projects. Whether you’re working on electronics, machinery, automotive, marine, industrial, or furniture applications, these 304 Stainless Steel washers with black coating ensure durability and long-lasting performance. |
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#8 (100 Pack) Split Lock Washer, (18-8) 304 Stainless Steel Spring Lock Washer |
This #8 Split Lock Washer is perfect for anyone who needs reliable, corrosion-resistant fasteners. Whether you’re working on DIY projects, home repairs, or professional installations, these 100% 304 stainless steel washers ensure a secure, long-lasting hold. |
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Hillman 100 Pcs Split Lock Washers (1/4″) | Zinc-Plated Steel Lock Washers for Bolts, Nuts & Screws | Vibration-Resistant Fastening Hardware for Wood, Metal, Construction & Repair |
These Hillman split lock washers are perfect for anyone who needs secure fastening in wood, metal, or construction projects. Whether you’re a DIY enthusiast or a professional, these vibration-resistant washers will keep your bolts, nuts, and screws tight and prevent loosening. |
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Prime-Line 9119260 Medium Split Lock Washers, 1/2 in., Grade 8 Yellow Zinc Plated Steel (10 Pack) |
Prime-Line 9119260 Medium Split Lock Washers are perfect for anyone needing a secure, vibration-resistant fastening solution. Whether you’re a DIY enthusiast or a professional, these washers ensure nuts stay tight in high-vibration applications. |
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Hillman 18-8 Stainless Steel Split Lock Washer 1/4 Inch”- 8 Pack 8836 |
The Hillman 18-8 Stainless Steel Split Lock Washer is perfect for anyone needing a reliable, cost-effective solution to prevent bolts from loosening during vibration. It’s ideal for projects where durability and even load distribution matter. |
Detailed Reviews
Discover the top 10 Medium Split Washers in our expert-curated guide. Each product is thoroughly reviewed for quality, durability, and value. Whether you need rust resistance or tight grip, we’ve got you covered. Find the perfect fit for your projects and shop with confidence.
1. M6 Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer Elastic Gasket 100PCS

Secure your bolts with the M6 Split Lock Washer. This 100-piece pack is made from 18-8 (304) stainless steel, ensuring durability and rust resistance.
These spring lock washers provide a tight, elastic grip, preventing bolts from loosening over time. Their silver color and compact size (6.0 mm) make them ideal for various projects.
Each washer measures 0.236 inches in length, 0.059 inches in width, and 0.063 inches in height, offering a perfect fit for M6 bolts. Trust Instockbolts for reliable and high-quality fasteners.
| Pros | Cons |
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Perfect For:
This M6 Split Lock Washer is perfect for anyone needing reliable, rust-resistant fasteners. Ideal for DIY projects, repairs, or professional use, these stainless steel washers ensure secure connections every time.
Ready to Purchase?
2. Aienxn 100PCS M6 Stainless Steel Flat & Split Lock Washers, 50PCS Each, Premium Quality, High Strength & Corrosion Resistance, Ideal for Electrical Connections & Harsh Environments

Aienxn 100PCS M6 Stainless Steel Washers are premium quality and built to last. They come in a pack of 100, with 50 flat and 50 split lock washers. These washers are ideal for tough jobs.
Made from 304 stainless steel, they resist rust and corrosion. They work well in harsh environments, like high heat or humidity. Perfect for electrical connections and threaded bolts.
The M6 size fits most screws, nuts, and bolts. They come in a handy plastic box for easy storage. Aienxn ensures quality and offers quick support.
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Perfect For:
Aienxn 100PCS M6 Stainless Steel Flat & Split Lock Washers are perfect for anyone needing strong, rust-proof washers for electrical connections or harsh environments. Great for home repairs, cars, boats, and appliances.
Ready to Purchase?
3. 1/2″ x 0.869″OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 25PCS

1/2″ Split Lock Washer is made from 18-8 (304) stainless steel. It gives a strong hold and helps keep parts tight.
It has a split design. It bites in well. It helps stop loosening.
You get 25 pieces in one pack. It is a simple, useful choice for many jobs.
| Pros | Cons |
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Perfect For:
This 1/2″ x 0.869″OD Split Lock Washer is perfect for anyone needing reliable, high-quality fasteners for their projects. Whether you’re a DIY enthusiast, professional builder, or hobbyist, these stainless steel washers ensure a secure lock and long-lasting durability.
Ready to Purchase?
4. Neprift M12 Spring Lock Washers, 304 Stainless Steel Split, Silver Elastic Gaskets Lock washers for Bolts, Nuts & Screws, 20PCS

This set includes 20 pieces of precise M12 washers. They feature high-grade 304 stainless steel for durability.
The split ends provide strong locking for your projects. These rustproof gaskets fit bolts, nuts, and screws. They have a weak magnetic property for safe use.
| Pros | Cons |
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Perfect For:
These Neprift M12 Spring Lock Washers are perfect for anyone needing reliable, long-lasting fasteners. Whether you’re working on home repairs, industrial projects, or DIY tasks, these stainless steel washers ensure secure and stable connections every time.
Ready to Purchase?
5. Zxglxinyao 900 PCS Stainless Steel Spring Lock Washer, Split Lock Washer, Split Ring Washer Bolt Screw Spring Washer, 2#, 1/8″, 5/32″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″

These lock washers are made from high-quality stainless steel. They resist rust and last a long time. The split lock washer design helps keep bolts tight.
They work well in places with vibration or changing temperatures. The pack has many sizes to fit different needs.
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Perfect For:
Perfect for DIY enthusiasts, mechanics, and professionals, this 900-piece stainless steel spring lock washer set is ideal for anyone working on indoor or outdoor projects where corrosion resistance and vibration protection are key. Whether you’re securing bolts in harsh environments or tackling temperature fluctuations, these durable washers ensure a reliable hold every time.
Ready to Purchase?
6. M6 Black Spring Lock Washer, 304 Stainless Steel, Black Coating Split Lock Washer Elastic Gasket, for Screws Fasteners, 50 PCS

The M6 Black Spring Lock Washer is a must-have for any project. Made of 304 Stainless Steel, it’s strong and durable. Perfect for screws and fasteners, it comes in a pack of 50 pieces.
It works well in tough conditions. Resists rust, heat, and moisture. Keeps bolts tight and secure.
Use it for electronics, cars, or furniture. Its black coating adds a sleek look. A reliable choice for all your needs.
| Pros | Cons |
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Perfect For:
This M6 Black Spring Lock Washer is perfect for anyone who needs reliable fasteners for various projects. Whether you’re working on electronics, machinery, automotive, marine, industrial, or furniture applications, these 304 Stainless Steel washers with black coating ensure durability and long-lasting performance.
Ready to Purchase?
7. #8 (100 Pack) Split Lock Washer, (18-8) 304 Stainless Steel Spring Lock Washer

Secure your fasteners with the #8 Split Lock Washer, made from 100% 304 stainless steel. This material is highly resistant to corrosion, ensuring long-lasting use.
Each washer has offset split ends that bite into materials, spread the load, and prevent loosening. The #8 size fits standard applications, and the pack includes 100 pieces.
Perfect for screwed fastenings, these washers provide a reliable lock. If you have questions or concerns, our customer service is ready to help quickly.
| Pros | Cons |
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Perfect For:
This #8 Split Lock Washer is perfect for anyone who needs reliable, corrosion-resistant fasteners. Whether you’re working on DIY projects, home repairs, or professional installations, these 100% 304 stainless steel washers ensure a secure, long-lasting hold.
Ready to Purchase?
8. Hillman 100 Pcs Split Lock Washers (1/4″) | Zinc-Plated Steel Lock Washers for Bolts, Nuts & Screws | Vibration-Resistant Fastening Hardware for Wood, Metal, Construction & Repair

These lock washers stop bolts from loosening. They provide a firm hold on all your projects. This pack contains 100 pieces.
Each part uses tough steel. These fit 1/4 inch bolts.
| Pros | Cons |
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Perfect For:
These Hillman split lock washers are perfect for anyone who needs secure fastening in wood, metal, or construction projects. Whether you’re a DIY enthusiast or a professional, these vibration-resistant washers will keep your bolts, nuts, and screws tight and prevent loosening.
Ready to Purchase?
9. Prime-Line 9119260 Medium Split Lock Washers, 1/2 in., Grade 8 Yellow Zinc Plated Steel (10 Pack)

These lock washers fit half inch bolts. They are made of strong steel.
The yellow zinc helps. It stops rust well. The split holds tight.
This pack has ten pieces. They work for big jobs.
| Pros | Cons |
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Perfect For:
Prime-Line 9119260 Medium Split Lock Washers are perfect for anyone needing a secure, vibration-resistant fastening solution. Whether you’re a DIY enthusiast or a professional, these washers ensure nuts stay tight in high-vibration applications.
Ready to Purchase?
10. Hillman 18-8 Stainless Steel Split Lock Washer 1/4 Inch”- 8 Pack 8836

The Hillman 18-8 Stainless Steel Split Lock Washer is a reliable solution for securing bolts and screws. It comes in a pack of 8, making it perfect for small projects.
The split design grips surfaces tightly, preventing loosening from vibration. It ensures a uniform load distribution, adding stability to your work. Stainless steel offers durability and affordability, ideal for various applications.
Its compact size (1/4 inch) fits common fasteners, while the 4.0″ x 1.5625″ x 0.5″ dimensions make storage easy. This washer is cost-effective and versatile, suitable for both indoor and outdoor use.
| Pros | Cons |
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Perfect For:
The Hillman 18-8 Stainless Steel Split Lock Washer is perfect for anyone needing a reliable, cost-effective solution to prevent bolts from loosening during vibration. It’s ideal for projects where durability and even load distribution matter.
Ready to Purchase?
Buying Guide
Medium split washers are essential for keeping bolts and screws secure. They prevent loosening caused by vibration or movement, making them perfect for tough jobs. Whether you’re working on electronics, cars, or home repairs, the right washer makes all the difference.
Buying the Best Medium Split Washers: A Pro Guide
Choosing the right medium split washers can boost your confidence in every project. Here’s what to consider:
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Material:
Stainless steel is durable and rust-resistant, perfect for long-lasting projects. Look for 304 stainless steel for high-quality performance. -
Size:
Match the washer size to your bolts. Common sizes like M6 or 1/4 inch fit most projects. Check measurements for a perfect fit. -
Quantity:
Packs range from 8 to 100 pieces. Choose based on your project needs. Larger packs are cost-effective for frequent use. -
Coating:
Zinc-plated or black-coated washers offer extra rust protection and a sleek look. Ideal for harsh environments. -
Design:
Split lock washers provide a tight grip, preventing loosening. Ensure the design fits your application for maximum security. -
Versatility:
Pick washers suitable for electronics, cars, or home repairs. High-quality materials ensure they work in tough conditions. -
Storage:
Washers often come in handy plastic boxes for easy storage. Keep them organized for quick access.
With these factors in mind, you’ll find the perfect fit for your needs. Boost your confidence and make every project a success!