S-94302A106 5/16"-18 x 3/4" Super-Corrosion-Resistant 316 Stainless Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Superior mechanical strength offering 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-lasting fastening under high stress.
• Enhanced vibration resistance provided by the serrated locking feature under the flange, preventing loosening in dynamic applications.
• Simplified and faster installation with a standard external hex drive and coarse UNC threading, reducing assembly time and effort.
• Increased load distribution and stability from the integrated flange, minimizing surface damage and improving joint integrity.
• Precise and reliable thread engagement ensured by the Class 2A thread fit, reducing the risk of cross-threading and ensuring consistent performance.
• Compliance with global environmental standards including RoHS 3 and REACH, making them suitable for regulated industries and export markets.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 316 stainless steel hex head screws deliver outstanding performance where corrosion resistance and structural integrity are paramount. The fully threaded design with UNC coarse spacing ensures quick and secure fastening in materials like metal and hard plastics, reducing installation time. The flanged head with serrations provides excellent anti-vibration properties, preventing loosening in machinery, automotive assemblies, and construction equipment exposed to constant motion. With a high tensile strength of 100,000 psi, they are ideal for critical applications in chemical processing, marine environments, and infrastructure projects, offering reliability and reduced maintenance costs.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC thread with Class 2A fit for precise tolerance, ensuring consistent thread engagement. It is manufactured from 316 stainless steel with a fully threaded shank and external hex drive for standard tool compatibility. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming adherence to environmental and safety regulations for industrial use.