S-91306A327 6-32 x 5/8" 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
- Superior corrosion resistance with zinc plating that protects against rust and extends service life in harsh industrial environments
- Exceptional tensile strength of 120,000 PSI ensures reliable, vibration-resistant fastening for demanding applications
- Class 3A thread fit provides precise, tight tolerances for secure assembly and reduced risk of loosening
- Fully threaded UNC coarse spacing enables faster installation and improved grip in a variety of materials
- Hex drive design with 5/64" drive size allows for easy, high-torque installation using standard tools
- Rounded button head profile offers a low-profile, aesthetically pleasing finish while minimizing snagging risks
- Compliance with ASME B18.3, ASTM F835, RoHS 3, and REACH guarantees consistent quality and environmental safety for global supply chains
Professional Applications & Engineering Value
These zinc-plated alloy steel rounded head screws are engineered to address critical fastening challenges in industrial settings where vibration resistance and corrosion protection are paramount. The combination of Rockwell C39 hardness and 120,000 PSI tensile strength ensures durability under dynamic loads, making them ideal for machinery assembly, electronic enclosures, and automotive components. The fully threaded UNC coarse spacing facilitates quick installation in metals and plastics, while the hex drive design provides secure tool engagement, reducing strip-out risks. By meeting ASME B18.3 and ASTM F835 standards, these screws deliver consistent performance, minimizing downtime and maintenance costs in high-stress applications.
Specification Summary & Compliance
This screw features a 6-32 UNC thread size with Class 3A thread fit for precise dimensional accuracy and coarse spacing. It complies with ASME B18.3 and ASTM F835 manufacturing specifications, ensuring reliable mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), supporting sustainable and safe usage in regulated industries.
