S-91251A934 10-24 x 7" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior thread fit with Class 3A tolerance provides precise engagement and vibration resistance, minimizing loosening in dynamic environments.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance and a durable, non-galling surface for extended service life.
• Coarse 10-24 UNC threads allow for quicker assembly and disassembly, saving time in maintenance and production cycles.
• Partially threaded design with 7/8" minimum thread length provides optimal grip and clamping force where needed, improving joint integrity.
• Hex socket drive (5/32") enables high-torque installation with standard tools, reducing strip-out and ensuring secure fastening.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees material consistency and environmental safety, meeting global regulatory standards.

Professional Applications & Engineering Value

Engineered for demanding environments, these black-oxide alloy steel socket head cap screws address common industrial challenges such as vibration-induced loosening and corrosion. The Class 3A thread fit and coarse 10-24 UNC threads ensure tight, reliable connections in machinery, automotive assemblies, and heavy equipment, where precision and durability are critical. The partially threaded rod design concentrates clamping force effectively, reducing stress concentration and enhancing joint stability. With a Rockwell C37 hardness and robust 170,000 psi tensile strength, these fasteners withstand extreme loads and repetitive use, minimizing downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This product adheres to Class 3A thread fit for precise dimensional accuracy and UNC coarse thread standards. It meets ASTM A574 specifications for high-strength alloy steel socket head cap screws, ensuring consistent manufacturing quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmental and safety standards for global use.