S-93190A345 5/16"-24 x 1" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine and chemical applications
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 2A thread fit provides consistent engagement and reduces the risk of cross-threading during assembly
• Fine UNF threading offers improved clamping force and better resistance to loosening compared to coarse threads
• External hex drive design allows for high-torque installation with standard tools, speeding up assembly processes
• Full threading along the 1" length enables flexible positioning and secure fastening in various material thicknesses
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees material safety and meets international industrial standards

Professional Applications & Engineering Value

This 316 stainless steel hex head screw is engineered to address critical challenges in demanding industrial settings, particularly where corrosion resistance and structural integrity are paramount. The combination of UNF fine threading and Class 2A fit ensures minimal play and reliable performance in high-vibration applications such as machinery assembly, marine equipment, and chemical processing systems. Its fully threaded design and external hex drive facilitate quick, secure installations, reducing downtime and maintenance costs. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it provides long-term durability in environments exposed to moisture, chemicals, and mechanical stress, making it an optimal choice for engineers seeking dependable industrial fasteners.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. It meets ASME B18.2.1 specifications for hex head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The screw features a 5/16"-24 UNF fine thread, 1" length, and is manufactured from 316 stainless steel for consistent performance in regulated industrial applications.