S-91306A263 6-32 x 3/4" 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 industrial environments
- Exceptional tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibration
- Precision Class 3A thread fit provides secure, consistent engagement and reduces cross-threading risks
- Hex drive compatibility with 5/64" drive enables efficient installation with standard industrial tools
- Fully threaded design offers maximum grip length and uniform stress distribution across applications
- Rockwell C39 hardness maintains structural integrity and prevents stripping during repeated use
- Regulatory compliance with ASME B18.3, ASTM F835, RoHS 3, and REACH ensures safety and environmental responsibility
Professional Applications & Engineering Value
Engineered for industrial fastening applications requiring uncompromising reliability, these zinc-plated alloy steel screws address critical challenges in machinery assembly, electrical enclosures, and structural components. The 6-32 UNC coarse thread configuration combined with Class 3A precision tolerance delivers superior vibration resistance and prevents loosening in high-stress environments. The rounded button head profile with hex drive compatibility facilitates quick installation in confined spaces while maintaining a low-profile appearance. With 120,000 psi tensile strength and Rockwell C39 hardness, these fully threaded screws provide durable fastening solutions for automotive, manufacturing, and heavy equipment applications where failure is not an option.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit standards with UNC coarse thread spacing (6-32 thread size) and 3/4" length dimensional accuracy. Complies with ASME B18.3 and ASTM F835 manufacturing specifications. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards for hazardous substance restrictions.
