S-92196A422 5/16"-18 x 2 1/2" 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 industrial environments
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 3A thread fit provides secure fastening with minimal play in critical assemblies
- Rockwell B70 hardness maintains thread integrity and prevents stripping during repeated use
- Full threading along 2-1/2" length offers maximum adjustment flexibility and grip depth
- 1/4" hex drive design enables high-torque installation with standard industrial tools
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality and environmental safety standards
Professional Applications & Engineering Value
This 18-8 stainless steel socket head cap screw delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical strength are critical. The 5/16"-18 UNC coarse threads with Class 3A fit provide superior engagement in machinery, automotive components, and structural assemblies, reducing the risk of loosening under dynamic loads. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures long-term reliability in high-stress environments, while the fully threaded design allows for precise clamping force distribution. The hex drive socket head facilitates installation in confined spaces, making it ideal for precision equipment, manufacturing fixtures, and maintenance applications requiring durable, corrosion-resistant fastening solutions.
Specification Summary & Compliance
This socket head cap screw maintains Class 3A thread fit per UNC standards with 5/16"-18 coarse thread spacing and right-hand thread direction. Manufacturing complies with ASME B18.3 specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use in regulated industrial applications.
