Cap Screw - Hex Head, 1/4-20 x 1/2"
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
A corrosion-resistant hex head cap screw for secure, threaded fastening—ideal for marine and other demanding environments where stainless hardware helps resist rust.
Key Features
- Hex head cap screw for confident wrench/driver engagement
- 1/4-20 thread size for standard 1/4"-20 applications
- 1/2" length for compact mounting and spacing needs
- 18-8 stainless steel for dependable corrosion resistance
Intended Use
- General marine hardware fastening
- Fastening and mounting projects requiring a hex head cap screw
- Replacement hardware for equipment that uses 1/4-20 threaded cap screws
Product Details
- Fastener type: Cap Screw - Hex Head
- Thread size: 1/4-20
- Length: 1/2"
- Material: 18-8 Stainless Steel
- SKU: 50-00001
Parts Desk Insights
Best Use Case: Use this hex head cap screw when you need a stainless 1/4-20 threaded fastener with a 1/2" length for secure clamping or mounting where corrosion resistance matters.
Common Issues: Common fitment issues are using the wrong thread pitch (1/4-20 vs. a different 1/4" thread form) or the wrong length (1/2" not matching the required engagement depth). If replacing hardware, compare the existing screw’s thread size and length before installing.
Related Products & Accessories
- Fasteners & Mounting (category) - Browse related stainless fasteners, washers, and mounting hardware for complete assemblies.
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.