Premium Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 3/8-16 x 3-1/4 are engineered for high-strength performance in tough applications. Crafted from Grade 8 steel with a plain finish, these screws deliver exceptional tensile strength and reliability for industrial, automotive, and machinery assemblies. Proudly made in the USA, they meet stringent quality standards for consistent, dependable fastenings.

Key specifications

• Size and thread: 3/8-16 UNC, 3/8 inch diameter, 16 threads per inch.
• Length: 3-1/4 inches overall.
• Head type: Hex Head Cap Screw for easy driving with standard wrenches or sockets.
• Material and finish: Grade 8 steel with a plain (uncoated) finish.
• Finish considerations: Plain finish suitable for controlled environments or where plating is not required.
• Applications: Ideal for heavy-duty automotive, industrial equipment, machinery, and structural fastenings where high strength is essential.
• Origin: USA Made dependable supply and quality assurance.

Designed to withstand high torque and heavy loads, these hex head cap screws pair with compatible nuts or tapped holes to create secure, long-lasting joints. For best results, select the correct torque according to engineering standards and the Grade 8 specification. Add these Grade 8 steel hex head screws to your toolkit for reliable, high-performance fastening.