S-92949A710 1/2"-13 x 3/4" 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
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional holding power provided by 70,000 psi tensile strength and full threading for maximum load distribution
- Precise installation control through 5/16" hex drive design, preventing cam-out and ensuring secure fastening
- Reliable thread engagement with Class 3A thread fit and UNC coarse threads for vibration resistance in heavy-duty applications
- Optimized mechanical performance from Rockwell B55 hardness, maintaining structural integrity under stress
- Streamlined assembly process with rounded button head profile that reduces snagging and improves safety
- Full regulatory compliance meeting ASME B18.3 standards and environmental regulations for global project acceptance
Professional Applications & Engineering Value
Engineered for demanding industrial fasteners applications, this 18-8 stainless steel screw delivers critical performance where corrosion resistance and structural integrity are paramount. The combination of passivated finish and UNC coarse threads provides exceptional durability in chemical processing, marine equipment, and outdoor machinery installations. The rounded head style with hex drive configuration enables rapid installation in confined spaces while maintaining high torque capability. With Class 3A thread fit ensuring precise mating components and fully threaded design maximizing grip length, this heavy duty screw solves common challenges of vibration loosening and material fatigue in dynamic load environments.
Specification Summary & Compliance
This 1/2"-13 x 3/4" fastener maintains precise Class 3A thread fit tolerances per UNC standards with coarse thread spacing for optimal engagement. Manufacturing conforms to ASME B18.3 specifications ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international standards for hazardous substance restrictions and chemical safety.
