S-90696A156 1-64 x 5/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
- Precise and secure fastening ensured by the Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
- Efficient installation and high torque capability provided by the standard hex socket head and 1/16" drive size.
- Maximum grip and holding power due to the fully threaded rod design along the entire 5/8" length.
- Broad compatibility with UNC coarse threads (1-64 size) and right-hand direction, conforming to common industrial standards.
- Regulatory compliance and safety meeting ASME B18.3, RoHS 3, and REACH standards for use in regulated industries.
Professional Applications & Engineering Value
This Socket Head Cap Screw is engineered from 18-8 Stainless Steel to combat corrosion in demanding environments such as marine, chemical processing, and outdoor machinery. The Class 3A thread fit and UNC coarse thread design provide superior vibration resistance and ease of assembly, reducing the risk of thread stripping in high-cycle applications. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it delivers reliable clamping force in precision equipment, aerospace components, and automated systems. The hex drive socket head allows for compact installation in confined spaces, while the fully threaded body ensures consistent load distribution. Ideal for OEMs and maintenance teams requiring durable, ASME B18.3 compliant fasteners that uphold operational integrity.
Specification Summary & Compliance
This screw features a 1-64 UNC thread with Class 3A precision tolerance for accurate fit. It adheres to the ASME B18.3 manufacturing specification and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.
