S-91274A112 10-24 x 3/4" ASME B18.3, ASTM A574, ASTM B117 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Superior corrosion resistance from the zinc-flake coating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 3A thread fit guarantees secure, vibration-resistant assemblies with reduced risk of loosening over time.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining thread integrity through repeated installations.
• Standard hex drive design allows for easy installation and removal with common tools, improving assembly efficiency.
• Full threading offers consistent engagement along the entire length, enhancing load distribution in critical applications.
• Compliance with major standards including ASME B18.3 ensures interchangeability and reliability in regulated industries.

Professional Applications & Engineering Value

Engineered for demanding environments, these 10-24 UNC Socket Head Cap Screws address common industrial challenges through robust material selection and precision manufacturing. The zinc-flake-coated alloy steel construction provides superior protection against corrosion and chemical exposure, making these fasteners ideal for outdoor equipment, automotive assemblies, and machinery subjected to moisture or aggressive agents. With their coarse thread spacing and Class 3A thread fit, they deliver exceptional clamping force and vibration resistance in high-load applications such as heavy-duty fixtures, conveyor systems, and precision tooling. The combination of 170,000 psi tensile strength and Rockwell C37 hardness ensures these screws maintain structural integrity under cyclic loading, reducing downtime and replacement costs in continuous operation settings.

Specification Summary & Compliance

This socket head cap screw features precision 10-24 UNC coarse threads with Class 3A fit for tight tolerances and reliable engagement. Manufactured in compliance with ASME B18.3 dimensional standards, ASTM A574 material specifications, and ASTM B117 salt spray testing requirements. The product is fully certified as RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global industrial applications.