S-91306A324 6-32 x 1/2" 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 corrosion resistance with zinc plating, extending service life in harsh industrial environments
- Superior holding power from fully threaded design and Class 3A fit, ensuring vibration-resistant connections
- High tensile strength (120,000 psi) and Rockwell C39 hardness for reliable performance under heavy loads
- Easy installation and removal with 5/64" hex drive and rounded button head design
- Wide compatibility with UNC coarse threading, suitable for various industrial applications
- Regulatory compliance with ASME B18.3, ASTM F835, RoHS 3, and REACH standards for quality assurance
- Optimized thread engagement with coarse spacing, reducing cross-threading risks during assembly
Professional Applications & Engineering Value
These zinc-plated alloy steel rounded head screws provide critical solutions for industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The UNC coarse thread with Class 3A fit ensures precise engagement in metal assemblies, while the fully threaded design maximizes clamping force across the entire length. The rounded button head profile offers a low-profile finish that minimizes snagging in machinery and equipment. With 120,000 psi tensile strength and Rockwell C39 hardness, these screws maintain integrity in high-stress applications including automotive components, electrical enclosures, and heavy machinery. The hex drive configuration allows for efficient installation with standard tools, reducing assembly time in production environments.
Specification Summary & Compliance
Manufactured to precise Class 3A thread fit tolerances with UNC coarse threading (6-32 size). Complies with ASME B18.3 and ASTM F835 manufacturing specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features right-hand thread direction and fully threaded construction with dimensions of 1/2" length, 0.262" head diameter, and 5/64" hex drive size.
