S-96870A239 5/16"-18 x 2" ASME B18.2.1, ASTM F593 Grade 630 High-Strength 17-4 PH Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-4 PH Stainless Steel, ideal for harsh industrial environments.
• High tensile strength of 130,000 psi ensures reliable performance under heavy loads and stress.
• Precise Class 2A thread fit for smooth assembly and secure fastening in demanding applications.
• Fully threaded design provides maximum grip and uniform load distribution along the entire length.
• External hex drive and hex head allow for easy installation with standard tools, reducing assembly time.
• Compliance with ASME B18.2.1 and ASTM F593 Grade 630 guarantees consistent quality and engineering reliability.
• RoHS 3 and REACH compliant for safe use in regulated industries and environmental sustainability.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial use, this 5/16"-18 UNC Hex Head Screw in 17-4 PH Stainless Steel addresses critical challenges like corrosion, vibration, and high-stress conditions. The coarse UNC thread spacing and Class 2A thread fit ensure quick, secure fastening in machinery, construction, and automotive assemblies, minimizing the risk of loosening. With a tensile strength of 130,000 psi and Rockwell C28 hardness, it provides long-term durability in applications requiring resistance to wear and environmental exposure. The fully threaded design and external hex drive enhance installation efficiency, making it a reliable choice for engineers seeking performance and compliance with ASME B18.2.1 standards.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC thread size with Class 2A thread fit for precise dimensional accuracy, adhering to ASME B18.2.1 and ASTM F593 Grade 630 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.