S-91306A260 6-32 x 3/16" 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, long-lasting fastening in demanding industrial environments.
- Superior corrosion resistance provided by the zinc plating, extending the screw's service life and maintaining performance.
- Precise Class 3A thread fit guarantees secure engagement and reduces the risk of cross-threading during installation.
- Coarse UNC threading allows for quicker assembly and improved performance in materials where fine threads might strip.
- Convenient hex drive (5/64") enables high-torque installation with standard tools, speeding up the assembly process.
- Fully threaded design provides maximum grip and holding power along the entire length of the fastener.
- Compliance with major industry standards including ASME B18.3 and ASTM F835 ensures consistent quality and reliability.
Professional Applications & Engineering Value
This zinc-plated alloy steel rounded head screw is engineered to solve critical fastening challenges in industrial settings. The 6-32 UNC coarse thread and Class 3A fit provide exceptional resistance to vibration loosening, making these button head screws ideal for machinery, automotive assemblies, and electronic enclosures where reliability is paramount. The combination of Rockwell C39 hardness and 120,000 psi tensile strength ensures these industrial screws maintain integrity under heavy loads and stress. The zinc plating offers superior corrosion protection, while the hex drive design allows for efficient installation in confined spaces, reducing assembly time and labor costs in production environments.
Specification Summary & Compliance
This fastener features precision 6-32 UNC coarse threads with Class 3A fit for superior thread engagement. Manufacturing complies with ASME B18.3 and ASTM F835 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict material compliance.
