S-95412A413 4-40 x 4" Threaded Rods

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and reduces the risk of mechanical failure in demanding assemblies.
• Class 1A thread fit provides easier assembly and faster installation, minimizing production downtime and labor costs.
• Full threading along the 4" length offers versatile positioning and secure fastening at any point along the rod.
• Right-hand coarse UNC thread delivers excellent engagement and vibration resistance in general-purpose and heavy-duty applications.
• Rockwell B70 hardness enhances durability and wear resistance, extending service life under repetitive stress.
• Compliance with RoHS 3 and REACH guarantees environmental safety and regulatory acceptance for global supply chains.

Professional Applications & Engineering Value

This 4-40 UNC fully threaded rod in 18-8 stainless steel addresses common engineering challenges such as corrosion-induced degradation and assembly inefficiencies. Its coarse thread design and Class 1A thread fit enable quick, reliable fastening in machinery, electrical enclosures, and structural frameworks, reducing installation time while maintaining integrity. The material's innate resistance to rust and chemicals makes it suitable for industrial fasteners in humid or corrosive settings, ensuring long-term performance without frequent replacements. By combining high tensile strength with standardized UNC thread type, this rod provides a cost-effective solution for OEMs and maintenance teams seeking durability and compliance in their projects.

Specification Summary & Compliance

This threaded rod adheres to UNC coarse thread standards with a Class 1A thread fit for external threads, ensuring dimensional accuracy and interchangeability. Manufacturing conforms to industry norms for 4-40 thread size and 4" length, backed by a 70,000 psi tensile strength and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting sustainable and safe usage in various industrial sectors.