S-92949A605 5/16"-24 x 1 1/4" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Superior mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress
- Precision assembly compatibility featuring Class 3A thread fit for tight tolerances and secure fastening in critical applications
- Enhanced durability with fully threaded design and fine UNF threads providing maximum grip and vibration resistance
- Efficient installation using 3/16" hex drive for quick, secure tool engagement and reduced assembly time
- Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations for global industrial use
- Optimized head design with rounded button profile offering smooth surface finish and reduced snagging risks
Professional Applications & Engineering Value
These 18-8 stainless steel rounded head screws deliver critical performance advantages in demanding industrial settings. The combination of Class 3A thread fit and UNF fine threading ensures precise engagement in machinery, automotive assemblies, and precision equipment where vibration resistance is paramount. The passivated finish significantly enhances corrosion protection, making these hex drive screws suitable for chemical processing, marine applications, and outdoor installations. With 70,000 psi tensile strength, they maintain structural integrity in high-stress connections while the fully threaded design provides consistent clamping force across the entire fastener length. These button head screws are engineered to solve common industrial challenges including fastener loosening, material degradation, and installation inefficiency.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and UNF 5/16"-24 fine threads. Complies with ASME B18.3 specifications for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features right-hand threading with complete threading along the 1-1/4" length and standardized rounded head profile.
