S-91306A712 6-32 x 1" 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 for extended service life in demanding environments
- Exceptional mechanical strength with 120,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
- Precise Class 3A thread fit ensures secure fastening and vibration resistance in critical assemblies
- Hex drive design provides superior torque transmission and prevents stripping during installation
- Rounded button head profile offers a finished appearance while minimizing protrusion in confined spaces
- UNC coarse threading enables quick assembly and reliable performance in various materials
- Full compliance with major industrial standards including ASME B18.3 and ASTM F835 for guaranteed quality
Professional Applications & Engineering Value
These zinc-plated alloy steel rounded head screws deliver exceptional performance in industrial fastening applications where reliability is paramount. The combination of Class 3A thread fit and UNC coarse threading provides superior engagement in metal, plastic, and composite materials, reducing the risk of cross-threading and ensuring consistent clamping force. The hex drive configuration allows for high-torque installation without cam-out, making them ideal for automated assembly processes and maintenance applications requiring repeated access. With their 120,000 psi tensile strength, these fully threaded screws maintain structural integrity under dynamic loads and vibration, solving common failure points in machinery, electrical enclosures, and transportation equipment where fastener reliability directly impacts operational safety and maintenance intervals.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread tolerances with UNC coarse thread form (6-32 size) and right-hand threading. These rounded head screws comply with ASME B18.3 dimensional specifications and ASTM F835 mechanical requirements. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental standards for industrial use worldwide. The 1" length and fully threaded design provide consistent performance across the entire fastener engagement.
