S-92202A317 1/4"-20 x 5/8" Left-Hand Threaded 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior tensile strength of 70,000 PSI ensures reliable performance under high-stress applications
• Precise Class 3A thread fit guarantees secure, vibration-resistant connections in demanding assemblies
• Left-hand UNC coarse threading provides specialized fastening solutions for reverse-rotation machinery
• Durable Rockwell B70 hardness maintains structural integrity and resists wear over extended use
• Full-threaded design allows for maximum grip and adjustable positioning along the entire screw length
• Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory acceptance in global markets

Professional Applications & Engineering Value

Engineered for high-performance industrial fastening, this 18-8 stainless steel socket head cap screw addresses critical challenges in machinery requiring left-hand UNC threading. Its coarse thread spacing and Class 3A fit prevent loosening under counter-clockwise torque, making it ideal for rotating equipment, conveyor systems, and specialized tools where reverse-thread security is paramount. The combination of 70,000 PSI tensile strength and corrosion-resistant material ensures long-term reliability in demanding environments such as manufacturing, automotive, and aerospace applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This socket head cap screw features a 1/4"-20 UNC left-hand thread with Class 3A thread fit for precise engagement. Manufactured to inch system standards, it includes a 3/16" hex drive and 5/8" length with full threading. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial use.