S-97763A331 8-32 x 3/16" 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 Black-Oxide 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- High-strength fastening delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads.
- Precise Class 3A thread fit ensures tight, secure connections with minimal risk of loosening in critical assemblies.
- Fully threaded design provides maximum grip and uniform load distribution along the entire 3/16" length.
- Easy installation and removal with a 3/32" hex drive, allowing for efficient assembly with standard tools.
- Low-profile rounded button head reduces snagging and offers a smooth finish for applications where clearance is a concern.
- Compliance with major standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
These 8-32 UNC Rounded Head Screws are engineered to address common industrial challenges such as vibration-induced loosening and environmental degradation. The Black-Oxide 18-8 Stainless Steel material provides excellent corrosion resistance, making them suitable for outdoor equipment, marine hardware, and chemical processing facilities where moisture and corrosive agents are present. The coarse thread spacing and Class 3A thread fit enable quick assembly and disassembly while maintaining a secure hold, reducing downtime in maintenance and production lines. With a fully threaded design and hex drive, these screws offer consistent clamping force and are easy to install in tight spaces, enhancing efficiency in automotive, aerospace, and machinery applications that demand durability and precision.
Specification Summary & Compliance
This product features precise UNC coarse threads with a Class 3A fit for high-accuracy assemblies. It meets ASME B18.3 specifications for dimensional consistency and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence.
