S-90358A028 M8 x 30 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Rockwell C32 hardness and 140,000 psi tensile strength, ensuring reliable performance under high-stress conditions
• Corrosion-resistant black-oxide finish on alloy steel for enhanced longevity in harsh industrial environments
• Precision Class 5g6g thread fit for secure, vibration-resistant assemblies with minimal risk of loosening
• Ultra-low socket head profile and 5 mm hex drive for easy installation in confined spaces with standard tools
• Fully threaded M8 coarse pitch (1.25 mm) design for maximum grip and uniform load distribution across applications
• Compliance with RoHS 3 and REACH regulations, making it safe for use in regulated industries and global markets
• Right-hand thread direction for straightforward, intuitive installation in standard assembly processes

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this M8 socket head cap screw addresses common challenges like vibration-induced loosening and corrosion in machinery, automotive, and equipment assembly. The black-oxide alloy steel construction provides a protective layer that reduces wear and extends service life, while the Class 5g6g thread fit ensures precise engagement with mating components, minimizing play and enhancing structural integrity. Its ultra-low profile head and 5 mm hex drive allow for efficient installation in tight spaces, reducing assembly time and improving accessibility. With a coarse thread pitch of 1.25 mm, it offers quick fastening and high clamping force, making it ideal for high-tensile strength requirements in construction, manufacturing, and heavy-duty engineering projects where reliability is critical.

Specification Summary & Compliance

This metric socket head cap screw features an M8 x 1.25 mm coarse thread with Class 5g6g tolerance for consistent fit and performance. Length is 30 mm with a tight tolerance of -0.127 mm to 0.127 mm, ensuring dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming its suitability for environmentally conscious and regulated industrial uses.