S-92949A082 2-56 x 5/8" 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, ideal for harsh environments and long-term reliability.
- Enhanced thread engagement through Class 3A thread fit and UNC coarse threading, ensuring secure fastening and vibration resistance.
- High tensile strength of 70,000 psi combined with Rockwell B55 hardness for dependable performance under mechanical stress.
- Easy installation and removal with a 0.050" hex drive, providing a firm grip and reducing tool slippage.
- Improved durability and chemical resistance from the passivated finish, extending service life in industrial applications.
- Full threading along the 5/8" length offers versatile fastening depth and consistent holding power.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures product quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
This 2-56 UNC thread rounded head screw is engineered to address common industrial challenges, such as corrosion and mechanical failure in demanding settings. Made from 18-8 stainless steel with a passivated finish, it resists rust and chemical exposure, making it suitable for applications in electronics, machinery, and outdoor equipment. The coarse thread spacing and Class 3A thread fit provide excellent grip in various materials, reducing the risk of loosening under vibration. With a hex drive design, installation is quick and secure, minimizing assembly time and tool wear. Ideal for precision assemblies, this screw delivers reliable performance while meeting strict industry standards for quality and compliance.
Specification Summary & Compliance
This product features precise Class 3A thread fit and UNC coarse thread spacing with a diameter of 0.086" and length of 5/8". It adheres to ASME B18.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
