S-90128A927 3/4"-10 x 5" ASTM A574 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 in demanding applications.
• Superior corrosion resistance with zinc-plated alloy steel construction, extending service life and maintaining integrity in harsh industrial environments.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, minimizing loosening in machinery and equipment.
• High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity and drive engagement through repeated use.
• 5/8" hex drive design allows for high-torque installation with standard tools, facilitating efficient assembly and maintenance operations.
• Coarse UNC threading enables quicker installation and better performance in materials where fine threads might be prone to stripping.
• Comprehensive compliance with ASTM A574, RoHS 3, and REACH standards ensures material quality and environmental responsibility for global industrial applications.

Professional Applications & Engineering Value

This 3/4"-10 UNC Socket Head Cap Screw delivers critical engineering solutions where high tensile strength and durability are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for outdoor equipment, manufacturing machinery, and structural assemblies exposed to environmental elements. With its 5/8" hex drive and coarse thread design, installation efficiency is maximized while maintaining secure fastening in heavy-duty applications. The Class 3A thread fit ensures precise engagement in critical joints, preventing vibration-induced loosening in automotive, aerospace, and industrial equipment. The partially threaded configuration offers optimal clamping force distribution, making it ideal for applications requiring both threaded engagement and smooth shank benefits.

Specification Summary & Compliance

This socket head cap screw features 3/4"-10 UNC coarse threads with Class 3A thread fit for precision engagement, manufactured to ASTM A574 specifications for high-strength fasteners. The product maintains dimensional accuracy with a minimum thread length of 2" and overall length of 5". Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industrial markets and international supply chains.