S-92949A820 8-32 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, ideal for harsh environments and extended service life.
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, durable fastening in demanding applications.
- Precise, secure thread engagement with Class 3A thread fit and UNC coarse threading, ensuring vibration resistance and reduced loosening.
- Efficient installation and removal via the 3/32" hex drive, providing a secure grip and minimizing tool slippage.
- Versatile rounded button head design offering a low-profile, finished appearance while reducing surface snagging.
- Full threading along the 1-1/8" length for maximum grip range and adjustability in various material thicknesses.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety.
Professional Applications & Engineering Value
Engineered for precision and durability, these 8-32 UNC rounded head screws address common industrial challenges such as corrosion-induced failure and assembly inefficiency. The 18-8 Stainless Steel material, enhanced by a passivated finish, provides excellent resistance to rust and chemicals, making these fasteners suitable for electronics, machinery, and outdoor equipment. The hex drive and Class 3A thread fit ensure quick, secure installations with minimal risk of stripping, while the fully threaded design allows for consistent clamping force across diverse applications. Ideal for OEM and MRO uses, these screws help reduce maintenance costs and improve product longevity in demanding industrial environments.
Specification Summary & Compliance
This screw features a Class 3A thread fit with UNC coarse threads for precise tolerances, manufactured in compliance with ASME B18.3 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and consumer applications.
