Hex Head Cap Screws 316 Stainless Steel 5/16-18 x 4 1/2″ (PT) are rugged fasteners crafted from corrosion-resistant 316 stainless steel, designed for demanding environments where reliability matters. With a 5/16-18 UNC thread and an overall length of 4 1/2″, these partially threaded (PT) hex head cap screws provide strong clamping force and versatile installation options.

Engineered for durability, these fasteners excel in marine, outdoor, and industrial applications, offering excellent resistance to rust, corrosion, and chemical exposure. The hex head enables easy driving with standard wrenches or socket tools, while the PT thread pattern balances strength and material savings where full threads arent required.

• Material: 316 stainless steel for exceptional corrosion resistance in saltwater and harsh environments.
• Size and thread: 5/16-18 UNC, 4 1/2″ length, Partially threaded (PT).
• Head and drive: Hex head cap screw designed for reliable torque with common tools.
• Finish: Natural stainless steel finish with robust, corrosion-resistant performance.
• Ideal applications: Marine hardware, outdoor equipment, machinery assemblies, and any application requiring a strong, durable fastener in corrosive environments.

Upgrade your fastener lineup with these 316 stainless hex head cap screws and experience dependable performance wash after wash, season after season. Add to cart now for fast, corrosion-resistant fastening that stands up to the elements.