S-92196A317 1/4"-28 x 1/2" 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 or humid environments
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 3A thread fit provides consistent engagement and reduces the risk of cross-threading
- Fine UNF threads (1/4"-28) offer improved adjustment accuracy and superior clamping force in thin materials
- Hex socket drive design allows for high torque application and secure installation in confined spaces
- Full threading along the 1/2" length enables maximum grip and versatile positioning in assemblies
- Rockwell B70 hardness rating delivers excellent wear resistance and long-term durability
Professional Applications & Engineering Value
Engineered for precision machinery and demanding industrial applications, these 18-8 Stainless Steel socket head cap screws address critical challenges in equipment assembly and maintenance. The Class 3A UNF fine threads maintain tight tolerances in high-vibration environments where loosening could cause equipment failure. With their hex socket drive and fully threaded design, they provide superior clamping force in aerospace components, automotive systems, and precision instruments. The combination of 70,000 psi tensile strength and corrosion-resistant properties makes these fasteners ideal for marine equipment, food processing machinery, and chemical processing plants where both structural integrity and environmental resistance are paramount.
Specification Summary & Compliance
This socket head cap screw maintains Class 3A thread fit precision with 1/4"-28 UNF fine threads and right-hand threading. Manufactured to ASME B18.3 specifications with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The fastener features standard socket head profile with 3/16" hex drive, 3/8" head diameter, and 1/4" head height for consistent installation across industrial applications.
