S-90346A130 1/4"-20 x 2" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws
High-Strength 316 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Exceptional mechanical strength offering 110,000 psi tensile strength and Rockwell C25 hardness for reliable, high-load applications
- Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure, vibration-resistant fastening
- Optimized drive performance featuring a 3/16" hex socket for high torque application and reduced cam-out risk
- Enhanced durability through cold working process, providing consistent performance under stress
- Versatile partial threading allowing for combined clamping and alignment functions in assemblies
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and safety
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these 316 stainless steel socket head cap screws provide critical solutions where corrosion resistance and mechanical integrity are paramount. The cold-worked fabrication enhances grain structure, delivering consistent 110,000 psi tensile strength that prevents failure under dynamic loads. With a Class 3A thread fit and UNC coarse threads, these fasteners ensure rapid assembly and superior vibration resistance in machinery, marine equipment, and chemical processing systems. The hex socket drive allows for precise installation in confined spaces, making them ideal for high-stakes applications requiring reliability and long-term performance.
Specification Summary & Compliance
This 1/4"-20 UNC socket head cap screw features precise Class 3A thread fit per ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. The product is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances. Thread spacing is coarse (UNC), with a minimum thread length of 1" on a partially threaded 2" shank, providing optimal clamping and alignment capabilities in engineered assemblies.
