[15 PKG] Hex Head Cap Screws Grade 5 Steel Zinc Plated 7/8-9 X 3-1/4

Hex Head Cap Screws Grade 5 Steel Zinc Plated 7/8-9 x 3-1/4 are high-strength fasteners designed for demanding industrial applications. Made from Grade 5 steel and finished with zinc plating, these screws deliver robust torque resistance and corrosion protection for reliable performance in machinery, automotive, and construction settings.

• Diameter: 7/8 inch
• Thread: 7/8-9 UNC (9 threads per inch)
• Length: 3-1/4 inches
• Head type: Hex head for easy driving with standard wrenches or sockets
• Material: Grade 5 steel
• Finish: Zinc plated for corrosion resistance

Ideal for heavy-duty assemblies in equipment manufacturing, automotive applications, and machinery installations, these hex head cap screws pair with standard nuts and washers to provide secure, high-torque connections. Their Grade 5 strength and zinc finish help ensure longevity in moderate environments where corrosion protection is beneficial.

Usage tips: Use with compatible nuts and washers and tighten with the appropriate wrench or socket to the recommended torque specifications for your application. Ensure alignment to avoid cross-threading and achieve maximum clamping force.