S-91280A565 M8 x 110 mm ISO 4014, DIN 931, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Class 8.8 strength rating delivers reliable 110,000 psi tensile strength for demanding industrial applications
• Zinc plating finish provides excellent corrosion resistance in harsh operating environments
• Partially threaded design with 22mm minimum thread length ensures optimal grip and load distribution
• Metric coarse thread (M8x1.25) enables faster assembly and reduced cross-threading risks
• External hex head design allows for high-torque installation with standard wrench tools
• Class 6h thread fit guarantees precise dimensional accuracy and consistent performance
• Multi-standard compliance meets ISO 4014, DIN 931, and SAE J1199 specifications for global acceptance

Professional Applications & Engineering Value

This M8 hex head screw combines Class 8.8 steel construction with zinc plating to address critical industrial fastening challenges. The partially threaded configuration provides unthreaded shank strength where needed while maintaining secure threaded engagement. With Rockwell C21 hardness and 110,000 psi tensile strength, these metric coarse thread screws withstand vibration and dynamic loads in machinery assembly, structural frameworks, and equipment manufacturing. The external hex drive facilitates high-torque installation without stripping, making them ideal for maintenance operations and production lines where reliability and quick assembly are paramount.

Specification Summary & Compliance

Manufactured to precise Class 6h thread tolerance with M8x1.25 coarse thread pitch and right-hand threading. Complies with ISO 4014, DIN 931, and SAE J1199 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.