S-90044A119 10-32 x 1 3/4" 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 applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the Black-Oxide finish extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, enhancing joint integrity.
• Fine UNRF threads offer improved load distribution and better sealing capabilities compared to coarse threads, ideal for precision equipment.
• High hardness (Rockwell C37) increases wear resistance, ensuring durability under repetitive use and mechanical stress.
• Fully threaded design allows for consistent clamping force along the entire length, simplifying installation in varied material thicknesses.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety, meeting global regulatory standards.

Professional Applications & Engineering Value

This Black-Oxide Alloy Steel Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced degradation. The fine UNRF threads and Class 3A fit deliver superior clamping force and resistance to dynamic loads, making these screws ideal for precision machinery, automotive assemblies, and aerospace components where reliability is paramount. The hex drive socket head design allows for high-torque installation in confined spaces, reducing assembly time while maintaining alignment. Combined with the corrosion-resistant Black-Oxide coating, it ensures long-term performance in humid or chemically aggressive environments, minimizing downtime and replacement costs for B2B clients.

Specification Summary & Compliance

This product adheres to Class 3A thread fit for precise dimensional accuracy and UNRF fine thread standards to ensure consistent engagement. Manufactured in compliance with ASTM A574 specifications for alloy steel socket head cap screws, it meets stringent mechanical properties. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.