S-91280A986 M14 x 80 mm ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with Class 8.8 rating (110,000 psi) for reliable performance in demanding applications
• Superior corrosion resistance provided by zinc plating, extending service life in harsh industrial environments
• Optimized torque transmission through external hex drive design for secure installation and removal
• Full thread engagement along the entire 80mm length ensures maximum grip and load distribution
• Precision-engineered coarse threads (M14 x 2mm) enable faster assembly and reduced cross-threading risk
• Consistent dimensional accuracy maintained through Class 6h thread fit for reliable mating with nuts
• Rockwell C21 hardness provides excellent wear resistance and durability under repeated stress

Professional Applications & Engineering Value

This M14 hex head screw delivers critical engineering advantages for industrial assembly applications where vibration resistance and structural integrity are paramount. The Class 8.8 steel construction combined with Rockwell C21 hardness ensures reliable performance in heavy machinery, structural frameworks, and equipment manufacturing. The coarse thread design (2mm pitch) facilitates rapid installation in various materials while minimizing thread stripping. Zinc plating provides essential corrosion protection for outdoor applications or environments with moisture exposure. The fully threaded configuration offers maximum clamping force distribution, making it ideal for applications requiring uniform stress distribution across the entire fastener length. These metric hex bolts are particularly valuable in assembly lines where speed, reliability, and compliance with international standards are essential for production efficiency.

Specification Summary & Compliance

This fastener maintains Class 6h thread fit tolerance according to metric standards, ensuring precise mating with corresponding nuts. Manufactured to ISO 4017/DIN 933 specifications for dimensional consistency and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial use across global markets. The Class 8.8 strength rating corresponds to 110,000 psi tensile strength, providing assurance of mechanical performance in critical applications.