S-98164A447 8-32 x 3/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance
• Precise Class 3A thread fit ensuring secure fastening and vibration resistance in critical assemblies
• Easy installation and removal with hex drive design and fully threaded body for efficient maintenance
• Standardized dimensions and compliance with ASME B18.3 specifications for consistent interchangeability
• Environmental regulation adherence meeting RoHS 3 and REACH standards for safe, sustainable usage
• Compact rounded button head profile providing a low-profile, snag-resistant finish in confined spaces

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 UNC Rounded Head Screws in 316 Stainless Steel address common challenges like corrosion, vibration loosening, and assembly efficiency. The passivated finish enhances surface durability against chemicals and moisture, while the Class 3A thread fit and fully threaded design ensure tight tolerances and uniform load distribution. The hex drive and rounded button head facilitate quick installation in machinery, electronics, and marine equipment, reducing downtime and maintenance costs. Ideal for OEMs and MRO operations requiring ASME B18.3 compliant fasteners that withstand rigorous operational stresses.

Specification Summary & Compliance

This screw features a 3/16" length, 0.312" head diameter, and UNC coarse threads with Class 3A precision fit per inch system standards. Manufacturing adheres to ASME B18.3 specifications, with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety.