S-91306A261 6-32 x 5/16" ASTM F835 Steel Button Head Hex-Drive Screws
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
- Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections for consistent assembly quality.
- High Rockwell C39 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.
- Hex drive design (5/64") allows for easy installation with standard tools, speeding up assembly processes.
- Coarse UNC threading enables quick engagement and reduced cross-threading risks in various materials.
- Full threading along the 5/16" length offers maximum grip and adjustability in diverse applications.
Professional Applications & Engineering Value
These zinc-plated alloy steel rounded head screws with 6-32 UNC coarse threads are engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The button head profile and hex drive facilitate flush mounting and tool accessibility in confined spaces, making them ideal for machinery, automotive assemblies, and electronic enclosures. The Class 3A thread fit ensures tight tolerances, reducing the need for rework and enhancing production efficiency. By combining high tensile strength with environmental compliance, these screws provide a durable, reliable solution for B2B applications demanding long-term performance and regulatory adherence.
Specification Summary & Compliance
This product features precise Class 3A thread fit per UNC standards, with dimensions including a 5/16" length and 5/64" hex drive. It is manufactured in accordance with ASME B18.3 and ASTM F835 specifications, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use.
