S-90180A663 M16 x 45 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through blue-dyed zinc plating that provides lasting protection in harsh industrial environments
• Precise thread engagement with Class 6g fit and coarse 2mm pitch ensuring quick installation and secure fastening
• Maximum torque transmission via external hex drive design that prevents stripping during high-torque applications
• Enhanced durability with Rockwell C32 hardness maintaining structural integrity under repeated stress cycles
• Full-threaded design offering consistent holding power along the entire 45mm length for uniform load distribution
• International compliance assurance meeting ISO 4017 standards for guaranteed dimensional accuracy and performance

Professional Applications & Engineering Value

These M16 hex head screws deliver critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assembly. The Class 10.9 steel construction provides the necessary tensile strength to withstand dynamic loads and vibration, while the coarse metric thread with 2mm pitch ensures rapid installation without compromising holding power. The blue-dyed zinc plating offers both visual inspection benefits and enhanced corrosion protection, making these fully threaded fasteners ideal for outdoor equipment, manufacturing fixtures, and automotive applications where environmental exposure and mechanical stress are constant concerns. The external hex drive design accommodates standard tools for efficient maintenance and disassembly in tight spaces.

Specification Summary & Compliance

Manufactured to ISO 4017 specifications (equivalent to DIN 933) with Class 6g thread tolerance ensuring precise fit and reliable performance. These metric hex head screws feature M16x2mm coarse threading with right-hand orientation and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Class 10.9 strength rating corresponds to 150,000 psi tensile strength with Rockwell C32 hardness, providing certified performance for critical industrial fastening applications.