S-90358A008 M4 x 16 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, extending service life in demanding industrial environments
• High tensile strength of 140,000 psi ensures reliable performance under heavy loads and vibration
• Precision Class 5g6g thread fit provides consistent engagement and reduces assembly issues
• Ultra-low socket head profile allows installation in confined spaces without compromising drive integrity
• Rockwell C32 hardness offers superior wear resistance and durability for repeated use
• Fully threaded M4 x 0.7mm coarse thread design enables faster installation and secure holding power
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

Engineered for precision assembly, these M4 socket head cap screws address critical challenges in machinery, automotive, and electronics sectors. The black-oxide alloy steel construction combats rust and wear, while the ultra-low profile head and 2.5mm hex drive facilitate tight-space installations without stripping. With a coarse 0.7mm pitch and Class 5g6g thread tolerance, these fasteners deliver vibration resistance and reduce cross-threading risks in high-stress applications. Ideal for securing components in industrial equipment, they ensure long-term reliability and minimize maintenance downtime.

Specification Summary & Compliance

This metric socket head cap screw features an M4 x 0.7mm thread with Class 5g6g precision fit and length tolerance of -0.127mm to 0.127mm. Manufactured from alloy steel with a hardness of Rockwell C32, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring adherence to international environmental and safety regulations for industrial use.