S-91310A151 M16 x 70 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 Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in demanding applications
• Superior wear resistance due to Rockwell C32 hardness, ensuring extended service life under repetitive stress conditions
• Optimized installation efficiency through external hex drive and 24mm head width, allowing secure tool engagement and high torque application
• Secure fastening in various materials with M16x2mm coarse thread design, providing excellent grip and vibration resistance
• Full-length threading versatility enabling consistent engagement along the entire 70mm length for adjustable positioning
• Global compliance assurance meeting DIN 933 and ISO 4017 specifications for reliable interchangeability across international projects
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, ensuring safety in regulated industrial environments

Professional Applications & Engineering Value

These M16 hex head screws deliver critical performance advantages in heavy-duty applications where failure is not an option. The Class 10.9 steel construction provides exceptional resistance to elongation and shear forces, making them ideal for structural steel connections, heavy machinery assembly, and industrial equipment manufacturing. The fully threaded metric design with coarse pitch ensures rapid installation while maintaining superior clamping force in both metallic and composite materials. With external hex drive compatibility and standardized DIN 933/ISO 4017 dimensions, these fasteners integrate seamlessly into existing maintenance protocols and replacement schedules, reducing downtime in manufacturing, construction, and automotive sectors where high-strength threaded connections are paramount.

Specification Summary & Compliance

This hex head screw features precise M16x2mm coarse threading with Class 6g thread fit tolerance according to metric standards, ensuring consistent engagement and reliable performance. Manufacturing complies with ISO 4017 and DIN 933 specifications for dimensional accuracy and mechanical properties. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, confirming adherence to international substance restrictions for industrial applications.