S-92196A032 4-40 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 thanks to 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for high-stress applications.
- Precise Class 3A thread fit ensures tight, secure fastening with minimal play, enhancing assembly integrity.
- Reliable hex drive engagement with a 3/32" drive size for secure tooling and reduced risk of stripping.
- Full 1-1/4" thread length provides maximum grip and load distribution across the entire fastened joint.
- Compliance with ASME B18.3 standards guarantees dimensional accuracy and interchangeability in professional settings.
- Environmentally compliant with RoHS 3 and REACH regulations, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This 4-40 UNC thread socket head cap screw is engineered to address critical industrial challenges, such as vibration loosening and material degradation. The 18-8 stainless steel offers excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, electronics, and outdoor equipment where exposure to moisture or chemicals is a concern. The coarse UNC thread and Class 3A fit provide reliable engagement in a variety of materials, reducing the risk of cross-threading and ensuring consistent clamp load. Its hex drive design allows for high torque application in confined spaces, enhancing assembly efficiency and reducing downtime in maintenance and production lines.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with a Class 3A thread fit for precise dimensional tolerances. It is manufactured in compliance with ASME B18.3 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for global industrial use.
