S-91290A321 M6 x 16 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 high-stress applications
• Superior corrosion resistance provided by black-oxide coating on alloy steel, extending service life in demanding environments
• Precise torque transmission through 5mm hex drive socket head design, minimizing tool slippage and damage during installation
• Optimal thread engagement with Class 5g6g thread fit and coarse 1mm pitch, ensuring secure fastening and vibration resistance
• Maximum load distribution from fully threaded M6 design, providing consistent clamping force along the entire 16mm length
• Industry-standard compatibility with DIN 912/ISO 4762 specifications, guaranteeing interchangeability and reliable performance
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These Class 12.9 socket head cap screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction provides superior protection against environmental degradation while maintaining Rockwell C37 hardness for exceptional wear resistance. The metric M6 x 1mm coarse thread configuration ensures rapid installation and reliable performance in heavy-duty industrial applications including machinery assembly, automotive components, and precision equipment. The standard socket head profile with 5mm hex drive allows for high-torque installation in confined spaces, while the fully threaded design maximizes load distribution across the entire 16mm length. These DIN 912/ISO 4762 compliant fasteners solve critical challenges in applications requiring vibration resistance, repeated disassembly, and exposure to harsh operating conditions.

Specification Summary & Compliance

This metric socket head cap screw features precise Class 5g6g thread fit tolerance with M6 x 1mm coarse thread spacing and right-hand thread direction. Manufacturing strictly adheres to DIN 912 ISO 4762 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements for industrial applications worldwide.