Hex Nut 3/8-16
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
3/8-16 hex nut made from 18-8 stainless steel—ideal for marine and general hardware applications where corrosion resistance matters.
Key Features
- 3/8-16 thread size (UNC)
- Hex nut format for standard hex-bolt and stud use
- 18-8 stainless steel for corrosion resistance
Intended Use
- Marine and boat hardware fastening
- General-purpose mechanical fastening
- Replacement hardware for existing 3/8-16 threaded assemblies
- Accessory and mounting jobs that use 3/8-16 UNC hardware
Product Details
- Title: Hex Nut 3/8-16
- Finish/Material: 18-8 Stainless Steel
- Product SKU: 50-00608
Parts Desk Insights
Best Use Case: Use as a direct replacement nut for any 3/8-16 threaded fastener where a stainless hex nut is preferred to help resist corrosion.
Common Issues: Double-check thread size (3/8-16) and mating thread condition before installation. If the nut will be exposed to vibration, consider using the appropriate locking method for your application (depending on whether the assembly already includes a locking feature).
Related Products & Accessories
- Fasteners & Mounting - Browse the Fasteners & Mounting collection to find matching stainless fasteners, washers, and related 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.