Phillips Machine Screw - Pan Head. 1/4"-20 x 3-1/2"
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Secure and finish threaded assemblies with this Phillips pan head machine screw sized 1/4"-20 x 3-1/2". Made from 18-8 stainless steel for strong corrosion resistance in marine and other demanding environments.
Key Features
- Phillips drive for reliable installation with a matching Phillips bit
- Pan head profile for a neat, finished look on visible joints
- 1/4"-20 thread size for compatibility with matching tapped hardware
- 3-1/2" overall length for proper thread engagement in thicker stacks
- 18-8 stainless steel construction for corrosion resistance
Intended Use
- Marine hardware and deck/console fastener applications
- General-purpose metal-to-metal fastening where 1/4"-20 threads are required
- Repairs and replacement in stainless fastener projects
Product Details
- Type: Machine Screw
- Head Style: Pan Head
- Drive: Phillips
- Thread Size: 1/4"-20
- Length: 3-1/2"
- Material: 18-8 Stainless Steel
- Brand/Family Label: LNS
- Reference SKU: 50-00518
- Variant Weight: 567 g (as provided)
Parts Desk Insights
Best Use Case: Choose this screw for repairs or projects that require a Phillips pan head machine screw with 1/4"-20 threads and a 3-1/2" length, especially when stainless corrosion resistance is important.
Common Issues: Confirm the mating thread (1/4"-20) and the required embedment before installation. If the joint stack height varies, verify that 3-1/2" provides the needed thread engagement without bottoming out.
Related Products & Accessories
- Browse Fasteners & Mounting - Explore additional stainless screws, bolts, washers, and mounting hardware that pair with this machine screw size and drive style.
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.