S-92949A323 2-64 x 1/2" 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 environments
- Superior thread engagement and vibration resistance due to Class 3A fit and UNF fine thread profile
- High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B55 hardness
- Secure and reliable installation enabled by the internal hex drive design, preventing cam-out
- Broad regulatory compliance including ASME B18.3, RoHS 3, and REACH for global market acceptance
- Low-profile, rounded button head provides a finished appearance and reduces snagging risks
- Fully threaded shank ensures maximum grip length and holding power across the entire fastener
Professional Applications & Engineering Value
These 2-64 UNF fine thread screws with a Class 3A thread fit are engineered for precision assemblies where vibration loosening is a critical concern. The 18-8 stainless steel material combined with a passivated finish offers excellent resistance to oxidation and corrosive elements, making them suitable for electronics, aerospace components, and medical devices. The rounded button head and hex drive design allow for flush mounting and high-torque installation without damaging the head, ensuring long-term reliability in industrial fastening applications. Their 70,000 psi tensile strength supports high-stress connections, providing engineers with a dependable solution for maintaining structural integrity.
Specification Summary & Compliance
This product adheres to Class 3A thread tolerance for precise fit and is manufactured in accordance with ASME B18.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The screw features a UNF fine thread with a size of 2-64 and a length of 1/2", providing consistent performance in demanding applications.
