Heavy Hex Nuts USS Grade 2 Steel Plain 3 1/2-4 are purpose-built fasteners designed to secure strong, lasting connections in construction, machinery, and industrial applications. Crafted from USS Grade 2 steel with a plain, uncoated finish, these nuts deliver dependable strength without the need for plating or coatings.

Product highlights

• Material: USS Grade 2 steel
• Finish: Plain (uncoated)
• Type: Heavy hex nut
• Size: 3 1/2-4
• Applications: General purpose, construction, machinery, and equipment assemblies
• Designed for: High-torque and high-strength fastening with compatible bolts

These heavy hex nuts are ideal for projects requiring robust fasteners that resist loosening and provide secure clamping force over time. They pair with standard bolts in common thread sizes, offering reliable performance in demanding environments.

Order today to ensure dependable, contractor-grade reliability in your next build.