S-91290A378 M16 x 300 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 12.9 alloy steel construction, ensuring high load-bearing capacity and resistance to failure in demanding applications.
• Superior corrosion resistance provided by the black-oxide finish, extending service life and reducing maintenance needs in harsh industrial environments.
• Precise and secure fastening with Class 5g6g thread fit and M16x2mm coarse thread, enabling quick assembly and reliable performance under vibration.
• High torque capability and tool engagement from the 14mm hex socket drive and standard socket head profile, minimizing stripping and allowing for efficient installation.
• Full 300mm thread coverage offering versatile clamping across a wide range of material thicknesses without requiring additional washers or spacers.
• Compliance with international standards including DIN 912, ensuring dimensional accuracy, interchangeability, and quality assurance for global engineering projects.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting stringent regulatory requirements for safe and sustainable use.

Professional Applications & Engineering Value

This M16 socket head cap screw is engineered to address critical challenges in heavy-duty machinery, automotive assembly, and structural frameworks where high tensile strength and fatigue resistance are paramount. The black-oxide alloy steel material, combined with a Rockwell C37 hardness, provides excellent durability against wear and environmental exposure, reducing downtime and replacement costs. The fully threaded 300mm design allows for adjustable fastening in deep or variable-thickness components, while the coarse metric thread ensures rapid installation and reliable hold in dynamic conditions. Ideal for applications requiring DIN 912 compliance, this screw delivers consistent performance in precision equipment, construction projects, and industrial automation systems.

Specification Summary & Compliance

This product features a Class 5g6g thread fit with M16x2mm coarse threading, adhering to DIN 912 dimensional standards for socket head cap screws. It is manufactured from Class 12.9 alloy steel with a tensile strength of 170,000 psi and hardness of Rockwell C37. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.