S-91255A240 10-24 x 3/8" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide finish for extended service life in demanding industrial environments
• Exceptional mechanical strength with 120,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
• Precision thread engagement with Class 3A fit ensuring reliable fastening and vibration resistance
• Optimized installation efficiency through 1/8" hex drive design providing secure tool engagement
• Enhanced durability from fully threaded alloy steel construction maintaining integrity under stress
• Industry-standard compliance meeting ASME B18.3 and ASTM F835 specifications for guaranteed performance
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

Engineered for industrial machinery, automotive assemblies, and heavy equipment, these 10-24 UNC screws deliver critical performance where vibration resistance and structural integrity are paramount. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining 120,000 psi tensile strength under extreme loads. The coarse thread spacing and Class 3A thread fit ensure rapid installation and secure fastening in high-vibration environments, while the rounded head design with 1/8" hex drive facilitates efficient assembly in confined spaces. These fully threaded fasteners solve common engineering challenges of joint failure and corrosion-induced degradation.

Specification Summary & Compliance

Manufactured to precision Class 3A thread tolerances with UNC coarse thread spacing and fully threaded construction. Complies with ASME B18.3 dimensional standards and ASTM F835 mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements for industrial use.