Seachoice 40820 Twisted Nylon Rope 5/8" x 600'
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Seachoice 40820 Twisted Nylon Rope is a heavy-duty bulk dock line and anchor line option built from 100% filament nylon and made in a traditional 3-strand twisted lay. Sized 5/8" x 600', it’s designed for larger vessels and demanding mooring setups where you want nylon’s natural elasticity for surge and shock load absorption.
Key Features
- 100% filament nylon construction — designed for marine dock and anchoring service
- Twisted (3-strand) rope lay — traditional marine rope format for working/splicing
- 5/8" diameter — heavy-duty sizing for larger vessel line needs
- 600-foot bulk spool — allows cutting to the length you need for multiple dock lines or anchor line lengths
- Elasticity & shock load absorption — helps reduce shock on dock hardware and cleats during surge events
- Abrasion-resistant performance — intended to hold up with chafe against dock edges and fittings
- Resists rot, mildew, oil, grease, gasoline, acids & most chemicals
Intended Use
- Anchoring
- Dock lines
- Mooring lines
- General purpose marine rope line needs (cut to length)
Product Details
- Brand: Seachoice
- Product: Twisted nylon rope spool
- Part Number: 50-40820
- Construction: Twisted (3-strand)
- Material: 100% filament nylon
- Diameter: 5/8"
- Length: 600 ft
Parts Desk Insights
Best Use Case: Choose this 5/8" bulk twisted nylon spool for larger-vessel dock and mooring line builds where you want nylon’s elasticity to help absorb surge and reduce peak shock loads on hardware.
Common Issues: Because this is a bulk spool cut-to-length rope, finished line ends require proper splicing/finishing to prevent unraveling. Also confirm the line diameter you’re replacing—oversizing adds weight and bulk, while undersizing can create inadequate line performance for the application.
Related Products & Accessories
- Dock & Mooring Lines - Browse the Dock & Mooring Lines collection for finished dock line options and related rope 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.