S-91290A841 M16 x 90 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 for reliable performance in demanding applications
• Superior corrosion resistance from black-oxide coating on alloy steel, extending service life in harsh industrial environments
• Precise torque transmission through 14mm hex socket drive, preventing stripping and ensuring secure fastening
• Optimized thread engagement with M16x2mm coarse thread and Class 5g6g fit, providing excellent vibration resistance
• Versatile partial threading with 44mm minimum thread length, allowing flexibility in material thickness and clamping applications
• Global standard compliance meeting DIN 912/ISO 4762 specifications for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use across regulated industries

Professional Applications & Engineering Value

Engineered for high-performance industrial applications, these M16 socket head cap screws deliver exceptional reliability in machinery assembly, heavy equipment manufacturing, and structural frameworks. The black-oxide alloy steel construction provides superior corrosion protection while maintaining Rockwell C37 hardness for wear resistance. The partially threaded design with coarse 2mm pitch ensures rapid assembly and superior clamping force distribution, while the 14mm hex drive enables high-torque installation without cam-out. These metric hex socket screws solve critical fastening challenges in applications requiring Class 12.9 strength and precise thread engagement, making them ideal for automotive, construction, and industrial machinery where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to exact Class 5g6g thread fit tolerances with 44mm minimum thread length and 90mm overall length. Fully compliant with DIN 912/ISO 4762 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The right-hand thread direction and standard socket head profile provide industry-standard compatibility for replacement and maintenance operations.