S-92196A381 1/2"-20 x 7/8" 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.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration, reducing failure risks.
- Precision Class 3A thread fit provides tight, secure fastening with minimal play, enhancing assembly accuracy.
- Fine UNF thread design offers improved adjustment control and resistance to loosening in dynamic applications.
- Durable Rockwell B70 hardness maintains thread integrity and drive engagement over repeated use.
- 3/8" hex drive socket head allows for easy installation with standard tools, speeding up assembly processes.
- Full compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.
Professional Applications & Engineering Value
This 18-8 stainless steel socket head cap screw is engineered to address critical challenges in industrial settings, such as corrosion in moist or chemical-exposed environments and the need for high-strength fastening in machinery and equipment. The fine UNF threads and Class 3A precision fit minimize backlash and provide superior clamp load distribution, making it ideal for aerospace, automotive, and heavy machinery applications where vibration resistance and reliability are paramount. Its fully threaded design ensures consistent grip across the entire length, while the standard socket head profile facilitates quick installation and removal with common hex keys, reducing downtime in maintenance and assembly operations.
Specification Summary & Compliance
This socket head cap screw features a 1/2"-20 UNF fine thread with Class 3A thread fit for high precision, manufactured in accordance with ASME B18.3 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. Dimensions include a length of 7/8", head diameter of 3/4", and drive size of 3/8", supporting consistent performance in industrial fastener applications.
