Description
Engineered for durability in harsh environments, these Hex Head Cap Screws are made from 316 stainless steel for exceptional corrosion resistance and strength. Sized 5/8-18 UNC and 2-1/4 inches long, these partially threaded (PT) screws deliver reliable clamping in marine, outdoor, and industrial applications.
Key specifications
- Material: 316 stainless steel for outstanding corrosion resistance
- Head type: Hex head cap screw
- Thread size: 5/8-18 UNC
- Length: 2-1/4 inches
- Thread configuration: Partially threaded (PT)
- Recommended uses: Marine hardware, outdoor structures, machinery, and other corrosive-environment applications
Why choose 316 stainless steel hex screws
316 stainless steel delivers superior corrosion resistance in chloride-rich and chemical environments, making these screws ideal for boats, docks, and outdoor equipment. The hex head design provides secure torque transfer for fast installations and dependable long-term performance.
Applications
- Marine hardware and boat components
- Industrial machinery and equipment assemblies
- Outdoor structures, railing systems, and enclosures
- Automotive and heavy-equipment installations
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

