Introducing the Premium Grade 5 Heat‑Treated Hex Nut, sized 5/16‑18 with a coarse thread pitch and delivered in a handy 100‑piece pack. Each nut is forged from high‑grade alloy steel and undergoes a strict heat‑treatment process that yields outstanding tensile strength and dimensional stability. The deep‑set hex head offers an excellent wrench grip, allowing quick and secure installation in even the toughest environments.
Why these fasteners stand out: Their elevated hardness prevents stripping and deformation, guaranteeing a reliable joint under repeated loading cycles. Perfect for automotive, industrial machinery, and construction assemblies, they help cut maintenance time and boost overall safety.
Key Features & Benefits:
- Grade 5 Strength: Meets ASTM specifications for high‑strength applications, delivering reliable load‑bearing capacity.
- Heat‑Treated Durability: Heat‑treatment enhances hardness and wear resistance, extending service life.
- Coarse 5/16‑18 Thread: Coarse pitch provides rapid assembly and superior thread engagement.
- Corrosion‑Resistant Finish: Protective coating guards against rust in humid or outdoor settings.
- Bulk 100‑Piece Pack: Economical quantity ensures you always have spares for large projects.
Ready to upgrade your assembly? Choose these Grade 5 heat‑treated hex nuts for a combination of strength, reliability, and ease of use. Their precise machining and robust construction make them the go‑to fastener for professionals who demand consistent performance across every project.








