S-90128A256 M5 x 30 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 PSI tensile strength, ideal for high-stress industrial applications.
• Superior corrosion resistance provided by zinc-plated alloy steel, extending service life in demanding environments.
• Precise and secure fastening with a 4mm hex drive and standard socket head, ensuring reliable torque transmission and reduced stripping risk.
• Optimized thread design featuring M5 coarse thread (0.8mm pitch) and Class 5g6g fit for quick assembly and consistent performance.
• Versatile partial threading (22mm min thread length on a 30mm screw) allows for adjustable clamping force and secure joint integrity.
• High hardness rating of Rockwell C37 ensures excellent wear resistance and maintains fastener integrity under repeated use.
• Compliance with international standards including DIN 912/ISO 4762, ensuring interchangeability and reliability in global engineering projects.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address critical challenges in high-stress industrial applications where fastener failure is not an option. The zinc-plated alloy steel construction provides a robust barrier against corrosion, making it suitable for machinery, automotive assemblies, and outdoor equipment exposed to harsh conditions. Its Class 12.9 strength rating and 170,000 PSI tensile strength ensure it can withstand extreme loads and vibrations, reducing maintenance downtime. The partially threaded design and coarse metric thread (0.8mm pitch) enable efficient installation and secure clamping in materials like steel and aluminum, while the 4mm hex drive offers superior torque control for precision assembly. By meeting DIN 912/ISO 4762 standards, this fastener delivers consistent performance and compatibility in global engineering projects, providing a reliable solution for demanding industrial fastening needs.

Specification Summary & Compliance

This socket head cap screw features precise metric thread specifications with M5 x 0.8mm coarse thread and Class 5g6g thread fit for accurate engagement. It adheres to DIN 912 and ISO 4762 manufacturing standards, ensuring dimensional consistency and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for use in various industries.