S-92205A515 5/16"-18 x 1/2" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• Reliable high-pressure sealing up to 20,000 psi, preventing leaks in critical fluid and gas systems
• Exceptional temperature resilience from -80° to 400° F, maintaining performance in extreme thermal conditions
• High tensile strength of 80,000 psi and Rockwell B85 hardness for dependable load-bearing in demanding applications
• Precision Class 2A thread fit and UNC coarse threading for easier assembly and secure fastening
• Convenient external hex drive and fully threaded design for straightforward installation and maximum grip
• Compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for industrial use

Professional Applications & Engineering Value

This 5/16"-18 UNC Hex Head Screw is engineered to solve critical challenges in industrial sealing and high-stress applications. The 18-8 Stainless Steel material provides excellent corrosion resistance, essential for chemical processing, marine, and outdoor equipment. The integrated silicone rubber O-ring creates a robust seal against high-pressure fluids and gases, preventing costly leaks in hydraulic systems, pumps, and compressors. Its coarse UNC thread and Class 2A fit ensure quick, reliable installation even in vibrating environments, reducing assembly time and maintenance needs. With a wide operating temperature range and high tensile strength, this screw delivers long-term reliability in heavy-duty industrial settings where performance and durability are non-negotiable.

Specification Summary & Compliance

This hex head screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is fully threaded with a right-hand direction and external hex drive. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial components.