[25 PKG] Hex Head Cap Screws 316 Stainless Steel 1/2-20 x 3 3/4″ (PT)

Hex Head Cap Screws 316 Stainless Steel 1/2-20 x 3 3/4″ (PT) are engineered for rugged performance in demanding environments. The combination of 316 stainless steel and a precise hex head provides exceptional strength and corrosion resistance, making these fasteners ideal for marine, chemical, and outdoor applications.

Why choose these hex head cap screws?

316 stainless steel offers superior resistance to rust and corrosion compared to standard stainless steels, including exposure to saltwater and chlorides. The 1/2-20 thread and 3 3/4 inch length deliver reliable clamping force in thick material assemblies.

Key specifications

• Material: 316 stainless steel
• Head type: Hex head cap screw
• Thread size: 1/2-20
• Overall length: 3 3/4″
• Finish: PT

Applications include marine equipment, outdoor structures, irrigation systems, and other environments where high corrosion resistance is critical. These fasteners install with a standard hex driver, providing a secure and compatible fit with common hardware.

Tips for best results: ensure proper thread engagement, use compatible washers if needed, and follow torque specifications for 1/2-20 fasteners to avoid over-tightening.