Hex Head Cap Screws Grade 5 Steel Plain Fine Thread (USA Made) 3/8-24 x 3/4 high-strength fasteners designed for durable assemblies in automotive, industrial, and mechanical applications.

These hex head cap screws are crafted in the USA from Grade 5 steel, offering reliable strength and long-lasting performance. The plain finish means no coatings, making them suitable for clean, corrosion-resistant environments where surface finish is not critical, or where lubricants are used to mitigate corrosion risk. The fine 3/8-24 UNC thread provides precise engagement and improved resistance to loosening under vibration.

• Size: 3/8-24 x 3/4 inch
• Head type: Hex head
• Thread: Fine thread
• Material: Grade 5 steel
• Finish: Plain (uncoated)
• Drive: Hex drive
• Origin: USA Made

Applications include automotive repairs, machinery assembly, equipment maintenance, and other high-strength fastening tasks where dependable performance and standard dimensions matter. Pair these screws with compatible nuts and washers for a secure, vibration-resistant connection.

Why choose these: dependable Grade 5 steel, precise fine threading, native USA manufacturing, and a durable plain finish that supports a wide range of projects.

Add to cart today to secure your project with top-grade hardware that stands up to demanding environments.