Description
Engineered for reliability, the Hex Head Cap Screws Grade 5 steel Plain (USA Made) 5/16-18 x 5/8 deliver dependable fastening for heavy-duty projects. Made in the USA from Grade 5 steel with a plain finish, these screws pair with standard 5/16-18 nuts and tapped holes, ensuring strong, secure joints in machinery, automotive, and fabrication tasks.
Key Specifications
- Size & Thread: 5/16-18 x 5/8 (5/16-18 UNC)
- Material: Grade 5 steel
- Finish: Plain (uncoated)
- Head & Drive: Hex head with external hex drive
- Origin: USA made
These hex screws are designed for reliability in automotive, machinery, equipment assembly, and fabrication projects where strong, durable fasteners are required. The Grade 5 steel provides high strength for demanding applications, while the plain finish keeps options open for coating or painting if needed.
To use, ensure alignment with compatible nuts or tapped holes, clean threads, and torque to manufacturer guidelines for 5/16-18 fasteners. For assemblies exposed to moisture or outdoor environments, consider protective finishes or plating, as plain steel offers limited corrosion resistance.
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