Lock Washer, 5/8"
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Secure fastening with a corrosion-resistant lock washer designed for 5/8" threaded applications. Made from 18-8 stainless steel for reliable performance in marine and other demanding environments.
Key Features
- Helps resist loosening from vibration with a split lock washer design.
- 18-8 stainless steel construction supports corrosion resistance for durability in harsh conditions.
Intended Use
- Marine hardware and general boating fasteners
- Metal-to-metal threaded connections requiring a 5/8" lock washer
- Replacement and maintenance for existing 5/8" fastener assemblies
Product Details
- Lock Washer size: 5/8"
- Material: 18-8 Stainless Steel
- Product/MPN/SKU: 50-01017
Parts Desk Insights
Best Use Case: Use this 5/8" lock washer when you want a vibration-resistant washer under a matching threaded fastener—especially on marine and equipment applications where corrosion and loosening are common concerns.
Common Issues: If the washer doesn’t sit flat or appears mismatched, confirm the 5/8" sizing corresponds to your threaded fastener and that the stack-up (washer + mating surface + nut/bolt) matches your original hardware layout.
Related Products & Accessories
- Fasteners & Mounting - Browse related marine fasteners and mounting hardware.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.