[100 PKG] Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 7/8

Engineered for reliable performance in assemblies, our Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 7/8 delivers robust clamping force for demanding mechanical applications. The combination of Grade 5 steel and a plain (untreated) finish provides a strong, versatile fastener solution manufactured in the USA.

Key specifications

• Head type: Hex Head Cap Screw
• Material: Grade 5 steel
• Finish: Plain (untreated)
• Size: 5/16-18
• Length: 7/8 inch
• Thread type: 5/16-18 UNC
• Origin: USA Made

These hex head cap screws are ideal for automotive, machinery, and general industrial applications where high strength fasteners are required without decorative plating. The Grade 5 steel delivers superior tensile strength for dependable performance in load-bearing joints, while the plain finish accommodates painting or additional coatings as needed.

Why choose these screws

• USA Made quality ensures consistent manufacturing standards and traceability.
• Strong Grade 5 steel provides excellent hardness and durability for demanding environments.
• Plain finish offers flexibility for subsequent coatings or on-painted assemblies.
• Standard size and thread (5/16-18 UNC) support broad compatibility across common fastener inventories.

For reliable assembly performance, trust these Hex Head Cap Screws Grade 5 Steel Plain (USA Made) in your next project. They pair well with corresponding nuts and washers to create secure, vibration-resistant joints that endure over time.