Description
5/16-18 x 3" SS Hex Cap Screw | Boat Supply Store
This 5/16-18 x 3 inch hex cap screw is engineered for superior corrosion resistance in harsh marine environments. Constructed from 316 stainless steel, it provides exceptional durability for critical boat applications. Ideal for securing deck hardware, engine components, or mounting brackets in saltwater conditions, ensuring long-term integrity and performance.
Key Features
- Superior corrosion resistance from 316 stainless steel
- Secure M12-1370 SKU for easy reordering
- Durable 5/16-18 thread size for robust connections
- Versatile 3 inch length for various fastening needs
- Reliable hex head for secure wrench engagement
- Essential for saltwater environments
- Built for demanding marine applications
- Authoritative product for confident repairs
Specifications
| Product Specifications | |
|---|---|
| thread_size | 5/16-18 |
| length | 3 inches |
| material | 316 Stainless Steel |
| head_type | Hex Cap |
Who This Is For
Boaters requiring high-grade fasteners for saltwater applications. Essential for DIY marine repairs and installations where corrosion resistance is paramount.
How It Compares
| Feature | 5/16-18 x 3" SS Hex Cap Screw | Other Brand |
|---|---|---|
| Material | 316 Stainless Steel | 304 Stainless Steel |
| Thread Size | 5/16-18 | 1/4-20 |
| Length | 3 inches | 2.5 inches |
| Head Type | Hex Cap | Round |
Common Concerns Answered
Will this screw corrode in saltwater?
Constructed from 316 stainless steel, this hex cap screw offers superior resistance to corrosion, making it ideal for harsh saltwater environments.
Is the thread size common for boat parts?
The 5/16-18 thread size is a standard in marine applications, ensuring compatibility with a wide range of hardware and components.
Can I use this for structural components?
Yes, the robust 316 stainless steel construction and 5/16-18 thread provide the strength required for many structural boat applications.
Frequently Asked Questions
What is the primary benefit of 316 stainless steel for marine use?
316 stainless steel provides enhanced resistance to pitting and crevice corrosion caused by chlorides, common in marine environments, compared to other stainless steel grades.
How does the hex cap head facilitate installation?
The hex cap head allows for secure engagement with a socket wrench or hex key, enabling higher torque application for a reliable fastening without slipping.
What is the significance of the 5/16-18 thread designation?
This indicates a nominal diameter of 5/16 inch with 18 threads per inch, a common coarseness for general-purpose mechanical fastening in the marine industry.
What types of fixtures can this screw be used for?
This screw is suitable for securing cleats, hinges, deck plates, engine mounts, pump brackets, and other marine hardware that requires robust, corrosion-resistant fastening.
What is the overall length of the threaded portion?
The total length of the screw is 3 inches, with the threaded portion extending to accommodate typical material thicknesses in boat construction and repair.
