S-91274A119 M4 x 16 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the zinc-flake coating extends service life in harsh industrial environments, minimizing maintenance needs.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining thread integrity and drive engagement over repeated use.
• Precision hex socket drive (3mm) allows for secure tool engagement and high torque application, facilitating efficient assembly and disassembly.
• Fully threaded M4 coarse pitch (0.7mm) design ensures quick installation and strong holding power in a variety of materials.
• Compliance with DIN 912 and ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality and fit.
• RoHS 3 and REACH compliance assures environmental safety and regulatory adherence for global supply chain integration.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered to address critical challenges in demanding industrial settings. The Class 12.9 alloy steel construction, combined with a zinc-flake coating, provides robust protection against corrosion and mechanical stress, making it ideal for automotive, machinery, and heavy equipment applications where vibration and exposure to elements are concerns. The coarse metric thread (0.7mm pitch) ensures rapid assembly and reliable clamping force, reducing installation time while preventing loosening. Its fully threaded, right-hand design and precise hex drive enable easy access in confined spaces, offering engineers a dependable solution for high-performance fastening that meets rigorous DIN 912 and ISO 4762 specifications for durability and precision.

Specification Summary & Compliance

This screw features an M4 x 0.7mm coarse thread with a Class 5g6g thread fit for precise dimensional tolerance, ensuring consistent performance. It complies with DIN 912 and ISO 4762 standards for socket head cap screws, and meets ASTM B117 for corrosion testing. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for industrial use.