S-92314A405 4-40 x 3/16" ASME B18.6.3 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 industrial environments
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Precise thread engagement via Class 2A thread fit, ensuring consistent fastening and reducing cross-threading risks
- Quick installation and removal with external hex drive and coarse UNC threading, speeding up assembly processes
- Full thread coverage along the 3/16" length for maximum grip and uniform stress distribution
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH, meeting strict industrial and environmental standards
- Durable right-hand coarse threads that resist stripping and maintain integrity under vibration and dynamic loads
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 4-40 UNC hex head screws in 18-8 stainless steel address critical challenges like corrosion, vibration loosening, and mechanical failure. The coarse thread spacing and Class 2A thread fit enable rapid installation in metals and plastics, minimizing assembly time while providing secure, repeatable fastening. With a fully threaded design and external hex drive, they ensure uniform clamping force in machinery, electronics, and automotive components, reducing maintenance needs and enhancing operational lifespan. Compliant with ASME B18.6.3, these screws deliver consistent performance in high-stress applications, from enclosures to structural assemblies.
Specification Summary & Compliance
This screw features a 4-40 UNC thread size with Class 2A thread fit for precise dimensional accuracy and interchangeability. Manufacturing adheres to ASME B18.6.3 specifications, ensuring uniform quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions are met for global industrial use.
