Phillips Machine Screw - Pan Head. 5/16"-18 x 1"
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Replace or add Phillips pan head machine screws for marine and general fastening jobs using this 5/16"-18 x 1" stainless option.
Key Features
- Phillips drive pan head machine screw
- Coarse 5/16"-18 thread size
- 1" length
- 18-8 stainless steel
Intended Use
- Marine fasteners and mounting jobs
- General fastening applications requiring a Phillips pan head machine screw
- Projects that use 5/16"-18 (coarse) threaded hardware
Product Details
- Type: Machine screw
- Head style: Pan head
- Drive: Phillips
- Thread size: 5/16"-18 (coarse)
- Length: 1"
- Material: 18-8 stainless steel
- LNS SKU: 50-00527
- Variant weight: 340 grams
Parts Desk Insights
Best Use Case: Use this screw when you need a stainless Phillips pan head machine screw with a 5/16"-18 coarse thread and 1" length for a tapped connection or to pair with a compatible nut.
Common Issues: Confirm thread size (5/16"-18 coarse) and length (1") before installation—mixing coarse and fine threads or using a longer screw can cause poor clamping or damaged threads. Also verify the tapped hole depth and mating part thickness so you get full engagement without bottoming out.
Related Products & Accessories
- Browse Fasteners & Mounting - Find matching nuts, washers, and additional screw sizes 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.