Nylon Insert Locknut - Stainless 1/4-20
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Keep fasteners secure in vibration-prone marine and outdoor applications with this 1/4-20 stainless nylon insert locknut. The nylon insert helps increase resistance to loosening compared to a standard nut.
Key Features
- Nylon insert locknut design helps resist loosening from vibration
- Stainless steel construction for corrosion resistance
- 1/4-20 thread size for matched hardware applications
- 18-8 stainless steel material grade (as specified)
Intended Use
- Marine fasteners & mounting hardware
- Outdoor equipment and general corrosion-resistant fastening
- Any application using 1/4-20 threaded studs/bolts where a locking nut is needed
Product Details
- Nylon Insert Locknut
- Material: Stainless steel, 18-8 (as specified)
- Thread Size: 1/4-20
- Catalog/SKU: 50-00624 (as provided)
- Brand tag: seachoice (as provided)
Parts Desk Insights
Best Use Case: A good choice when you need a locking nut for 1/4-20 threaded connections and you want the added anti-loosening effect of a nylon insert—especially in vibration-heavy setups.
Common Issues: If the nut won’t thread smoothly, double-check that the mating bolt/stud is truly 1/4-20. Also confirm the mating thickness and clearance for the nut’s profile before installing.
Related Products & Accessories
- Browse Fasteners & Mounting - Find matching nuts, bolts, and locking hardware for your project.
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.