S-90358A026 M8 x 20 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise and secure installation enabled by the 5mm hex drive and ultra-low socket head profile, minimizing the risk of stripping and ensuring a tight fit.
• Consistent and reliable threading with Class 5g6g thread fit and coarse 1.25mm pitch for easy assembly and strong holding power.
• Broad compatibility and ease of use with fully threaded M8 metric design and right-hand thread direction, suitable for a wide range of industrial machinery and equipment.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, ensuring safe and sustainable use in global markets.
• Optimized for space-constrained applications due to the low-profile head design, allowing installation in tight areas without compromising strength.

Professional Applications & Engineering Value

This M8 socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration loosening and material fatigue. Crafted from black-oxide alloy steel, it offers enhanced resistance to rust and wear, making it ideal for automotive assemblies, heavy machinery, and precision equipment. The ultra-low socket head and 5mm hex drive provide a secure grip, reducing the risk of tool slippage during high-torque applications. With a coarse thread pitch of 1.25mm and Class 5g6g thread fit, it ensures quick installation and reliable clamping force, minimizing downtime in production lines. Fully threaded and right-hand oriented, this screw delivers consistent performance in dynamic environments, supporting efficient maintenance and long-term operational stability.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a length tolerance of -0.127mm to 0.127mm and Class 5g6g thread fit per metric standards. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and compliance for industrial use. Manufactured to meet high-strength requirements with 140,000 psi tensile strength, it is suitable for applications demanding reliability and durability under stress.