S-91783A191 8-32 x 5/16" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Corrosion-resistant performance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
• High tensile strength of 100,000 PSI ensures reliable, durable fastening under demanding loads.
• Rockwell B100 hardness provides excellent resistance to wear and deformation over time.
• UNC coarse threading with Class 2A fit offers quick assembly and secure engagement in various materials.
• Fully threaded design allows for maximum grip and uniform stress distribution along the entire length.
• Slotted drive and rounded head facilitate easy installation and a smooth, snag-free profile.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.

Professional Applications & Engineering Value

This 8-32 UNC rounded head slotted machine screw in 18-8 Stainless Steel with a passivated finish addresses common industrial challenges like corrosion, vibration loosening, and assembly efficiency. The coarse thread and Class 2A fit ensure rapid installation and strong holding power in metal, plastic, or wood assemblies, reducing downtime in production lines. Its high tensile strength and fully threaded design make it suitable for heavy-duty applications in machinery, automotive, and electronics, where consistent performance and corrosion resistance are critical. By meeting strict standards, it provides engineers with a reliable fastener that minimizes maintenance and enhances product longevity.

Specification Summary & Compliance

This screw features precise UNC coarse threading with a Class 2A thread fit for standard tolerance, ensuring compatibility and ease of use. It adheres to ASME B18.6.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility.