S-92196A336 5/16"-18 x 5 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance frequency.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
• Precise, secure fastening ensured by Class 3A thread fit, minimizing the risk of loosening in vibration-prone applications.
• Easy installation and removal with a 1/4" hex drive and standard socket head profile, allowing for high torque application in confined spaces.
• Durable, long-lasting performance from the coarse UNC thread and partially threaded design, providing strong holding power and resistance to wear.
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability in professional settings.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for industrial use.

Professional Applications & Engineering Value

This 5/16"-18 UNC Socket Head Cap Screw is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion. Made from 18-8 Stainless Steel, it provides excellent resistance to rust and chemical exposure, making it suitable for machinery, automotive, and outdoor equipment. The Class 3A thread fit and coarse thread spacing ensure a tight, reliable hold in materials where fine threads might strip, while the 1/4" hex drive allows for efficient torque application in tight spaces. Its partially threaded design concentrates strength where needed, reducing weight without compromising integrity. Ideal for high-stress applications, this screw delivers consistent performance, minimizing downtime and maintenance costs in demanding environments.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC thread with Class 3A precision fit and coarse thread spacing, ensuring dimensional accuracy per ASME B18.3 standards. It is manufactured from 18-8 Stainless Steel with a tensile strength of 70,000 psi and Rockwell B70 hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming adherence to environmental and safety regulations for industrial fasteners.