S-90696A205 5/16"-24 x 6" 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 for long-lasting performance in harsh environments
- Exceptional thread reliability due to Class 3A thread fit ensuring precise engagement and vibration resistance
- High tensile strength of 70,000 psi provides secure fastening for demanding industrial applications
- Optimized drive efficiency with 1/4" hex socket design allowing high torque application and reduced stripping risk
- Enhanced durability from Rockwell B70 hardness maintaining structural integrity under repeated stress
- Versatile partial threading enabling both secure clamping and smooth shaft guidance in assemblies
- Regulatory compliance meeting ASME B18.3 standards and environmental regulations for global supply chain integration
Professional Applications & Engineering Value
These 18-8 stainless steel socket head cap screws deliver critical performance advantages in precision machinery, automotive assemblies, and industrial equipment where corrosion resistance and high-strength fastening are paramount. The 5/16"-24 UNF fine thread spacing provides superior load distribution and vibration resistance compared to coarse threads, while the Class 3A thread fit ensures consistent engagement in tapped holes. The partially threaded design allows the unthreaded portion to serve as a precision guide or pivot point, making these socket head cap screws ideal for applications requiring both clamping force and alignment accuracy. With 1/4" hex drive compatibility, installation and maintenance are streamlined using standard industrial tools.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread tolerance for precision fit. Features UNF (Unified National Fine) thread form with right-hand orientation and 5/16"-24 thread size. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 70,000 psi tensile strength and Rockwell B70 hardness.
