Carriage Bolt, 1/4"-20 x 2-1/2"
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A marine-grade carriage bolt designed for clean installation with a square neck that helps prevent rotation. This size is 1/4"-20 x 2-1/2" in 18-8 stainless steel.
Key Features
- 18-8 stainless steel construction for corrosion resistance
- Carriage bolt design helps secure applications with a reduced risk of bolt rotation due to the square neck
- Coarse 1/4"-20 thread size for matching hardware and nuts
Intended Use
- General marine and outdoor fastener applications
- Mounting and assembly jobs where a 1/4"-20 carriage bolt (2-1/2") is required
- Wood-to-metal or metal-to-wood fastening tasks using carriage-bolt style hardware
Product Details
- Type: Carriage Bolt
- Thread Size: 1/4"-20
- Length: 2-1/2"
- Material: 18-8 Stainless Steel
- SKU/Part Number: 50-00117
- Variant barcode note: Provided barcode appears stored as a numeric value in the catalog data and is not reproduced in customer-facing text
- Variant weight: 454 GRAMS (variant listing weight)
Parts Desk Insights
Best Use Case: Use in applications calling for a carriage bolt to provide a low-profile, rounded head while the square neck helps keep the bolt from spinning during installation.
Common Issues: If the bolt does not sit correctly, confirm the mating hole size and thread engagement with a matching 1/4"-20 nut. For stainless fasteners, ensure the mating component/thread condition is clean to prevent galling; use appropriate anti-seize when your service practice calls for it.
Related Products & Accessories
- Browse Fasteners & Mounting - Find matching nuts, washers, and other stainless hardware for this carriage bolt size.
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.