S-91251A910 3/4"-10 x 15" 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 coating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 3A thread fit provides secure, vibration-resistant connections, enhancing assembly integrity and reducing loosening over time.
• Partially threaded design with a minimum 2" thread length allows for optimal clamping force and easier alignment in varied material thicknesses.
• High hardness rating of Rockwell C37 offers excellent wear resistance, maintaining thread integrity through repeated use.
• Standard hex drive (5/8") enables easy installation with common tools, speeding up assembly processes and reducing labor costs.
• Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to industry standards for safety and environmental responsibility, supporting regulatory requirements.

Professional Applications & Engineering Value

This 3/4"-10 UNC Socket Head Cap Screw is engineered from black-oxide alloy steel to address critical challenges in heavy-duty industrial settings, such as machinery, construction, and automotive assemblies. Its coarse thread and Class 3A thread fit provide superior grip and resistance to vibration, preventing joint failure in dynamic environments. The partially threaded configuration allows for precise clamping without over-tightening, reducing stress concentrations. With a 15" length and robust tensile strength, it excels in applications requiring long-lasting durability and corrosion resistance, ensuring minimal downtime and enhanced operational reliability for engineers and procurement specialists.

Specification Summary & Compliance

This socket head cap screw features a 3/4"-10 UNC coarse thread with a Class 3A thread fit for high precision, a minimum thread length of 2", and a partially threaded rod type. It meets ASTM A574 specifications for alloy steel socket head cap screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.