S-98164A612 1-72 x 3/16" 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 316 stainless steel construction, ideal for harsh industrial environments
- Precise installation and removal enabled by the 0.050" hex drive, preventing stripping and ensuring a secure fit
- Exceptional thread reliability with Class 3A fit for tight, secure fastening in critical applications
- High tensile strength of 70,000 psi for dependable performance under significant mechanical stress
- Low-profile, rounded button head design provides a finished appearance and reduces snagging risks
- Enhanced durability from the passivated finish, increasing surface hardness and corrosion protection
- Full threading ensures consistent engagement and clamping force along the entire 3/16" length
Professional Applications & Engineering Value
Engineered for demanding environments, these 316 stainless steel rounded head screws deliver exceptional performance where corrosion resistance is critical. The 1-72 UNF fine thread and Class 3A thread fit provide superior vibration resistance and precise clamping in compact assemblies, such as electronics, precision instruments, and aerospace components. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, making these hex drive screws ideal for marine, chemical processing, and medical equipment applications. Their rounded button head profile offers a sleek, low-profile solution that minimizes protrusion while the hex drive ensures reliable torque transmission during installation, reducing the risk of fastener failure in high-stress industrial settings.
Specification Summary & Compliance
This screw features a 1-72 UNF fine thread with Class 3A thread fit for high precision. It is manufactured in compliance with ASME B18.3 specifications where identified by ASTM F879. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.
