S-92949A867 3/8"-16 x 1 1/8" ASME B18.3, ASTM F879 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, ensuring long-term reliability in harsh environments
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
- Precise Class 3A thread fit providing excellent engagement and vibration resistance in critical assemblies
- Secure hex drive (7/32") enabling high-torque installation without cam-out issues
- Full threading design offering consistent fastening strength along the entire screw length
- Rounded button head profile providing a finished appearance while minimizing protrusion
- Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for quality assurance
Professional Applications & Engineering Value
This 3/8"-16 UNC rounded head screw delivers exceptional engineering value for industrial applications where corrosion resistance and high tensile strength are critical. The 18-8 Stainless Steel construction with passivated finish provides superior protection against chemical exposure and environmental factors, making it ideal for manufacturing equipment, marine applications, and food processing machinery. The Class 3A thread fit ensures precise mating with corresponding nuts and tapped holes, reducing the risk of thread stripping in high-vibration environments. The combination of 70,000 psi tensile strength and coarse UNC threading makes these hex drive screws particularly valuable for heavy-duty assembly applications requiring repeated disassembly and reassembly without performance degradation.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and UNC coarse threading (3/8"-16). This fully threaded fastener complies with ASME B18.3 specifications where identified as ASTM F879, ensuring dimensional accuracy and performance reliability. The screw meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) standards for chemical safety, making it suitable for regulated industries and international markets.
