S-90910A860 8-32 x 3/16" ASME B18.3 Stainless Steel Button Head Torx Screws
Stainless Steel Button Head Torx 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.
- Enhanced torque transmission and reduced cam-out thanks to the T15 Torx drive, ensuring secure fastening.
- High tensile strength of 60,000 psi and Rockwell B55 hardness for reliable performance under load.
- Precise Class 3A thread fit for smooth assembly and superior vibration resistance in critical applications.
- Fully threaded design provides maximum grip and holding power along the entire fastener length.
- Low-profile rounded button head offers a finished appearance and reduces snagging in tight spaces.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 8-32 UNC screw with a coarse thread spacing and Class 3A thread fit delivers exceptional reliability. The combination of 18-8 Stainless Steel and a passivated finish provides outstanding corrosion resistance, making it ideal for electronics, machinery, and outdoor equipment where moisture and chemicals are present. The T15 Torx drive ensures high torque application without stripping, while the rounded button head minimizes protrusion, preventing interference in compact assemblies. This screw solves common issues like fastener failure and assembly inefficiency, offering a durable, precision-machined solution for OEMs and maintenance teams.
Specification Summary & Compliance
This 8-32 UNC screw features a Class 3A thread fit for precise tolerances, with a right-hand thread direction and fully threaded design. It complies with ASME B18.3 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence. Dimensions include a 0.312" head diameter and 3/16" length, providing consistent performance in various industrial settings.
