S-90358A004 M3 x 12 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: Made from black-oxide alloy steel with a tensile strength of 140,000 psi and Rockwell C32 hardness for reliable performance in high-stress environments.
• Precision Thread Fit: Class 5g6g thread fit ensures consistent, secure fastening with minimal risk of loosening or cross-threading in demanding applications.
• Space-Saving Ultra-Low Profile: The ultra-low socket head profile allows installation in confined spaces where clearance is limited, enhancing design flexibility.
• Corrosion Resistance & Compliance: Black-oxide surface treatment provides corrosion protection, while compliance with RoHS 3 and REACH ensures environmental and safety standards are met.
• Easy Installation with Hex Drive: The 2 mm hex drive offers secure tool engagement, reducing slippage and enabling efficient assembly with standard tools.
• Versatile Coarse Thread Design: M3 x 0.5 mm coarse thread facilitates quick installation and strong holding power in a variety of materials.
• Consistent Dimensional Accuracy: Tight length tolerance of -0.127mm to 0.127mm guarantees uniform performance and ease of replacement in precision assemblies.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to address critical challenges in industrial and engineering applications where space constraints and high mechanical loads are common. The ultra-low profile head design allows for installation in compact assemblies, such as machinery housings, electronic enclosures, and automotive components, without compromising strength. Made from black-oxide alloy steel, it resists corrosion and wear, extending service life in harsh environments. The Class 5g6g thread fit and coarse thread pitch ensure rapid, reliable fastening, reducing assembly time and minimizing the risk of thread failure. Ideal for use in precision equipment, these screws provide a robust solution for maintaining structural integrity under dynamic loads, making them a trusted choice for B2B procurement in manufacturing and maintenance sectors.

Specification Summary & Compliance

This product features a metric thread size M3 x 0.5 mm with Class 5g6g thread fit per ISO standards, ensuring precise dimensional control and interchangeability. The length tolerance is tightly maintained at -0.127mm to 0.127mm for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety requirements in industrial applications.