S-92196A386 1/2"-20 x 1 1/4" 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 long-term reliability.
- High tensile strength of 70,000 psi ensures secure, vibration-resistant fastening in demanding applications.
- Precision Class 3A thread fit provides tight tolerances for accurate assembly and reduced risk of cross-threading.
- 3/8" hex drive socket head allows for high torque application and easy installation in confined spaces.
- Fine UNF threads (1/2"-20) offer improved load distribution and better resistance to loosening under stress.
- Rockwell B70 hardness enhances durability and wear resistance, extending the screw's service life.
- Full thread design ensures consistent engagement along the entire length for versatile mounting options.
Professional Applications & Engineering Value
This socket head cap screw is engineered to address critical industrial challenges, such as vibration-induced loosening and corrosion in precision machinery. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemical exposure, making it suitable for applications in marine, automotive, and food processing equipment. The 1/2"-20 UNF fine threads with a Class 3A fit ensure minimal backlash and reliable performance in high-stress assemblies, while the hex socket drive facilitates efficient installation with standard tools. Its fully threaded design allows for adjustable clamping force, ideal for securing components in aerospace, manufacturing, and robotics where precision and durability are paramount.
Specification Summary & Compliance
This screw adheres to ASME B18.3 standards, ensuring dimensional accuracy and interchangeability. The Class 3A thread fit provides tight tolerances for precise engineering applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industries without hazardous substances.
