S-91280A324 M6 x 12 mm ISO 4017, DIN 933, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments.
• High tensile strength of 110,000 psi from Class 8.8 steel, ensuring reliable performance under heavy loads.
• Robust Rockwell C21 hardness provides excellent wear resistance and durability for repeated use.
• Coarse 1 mm thread pitch enables faster assembly and reduces the risk of cross-threading.
• Full threading along the 12 mm length offers maximum grip and uniform clamping force.
• External hex drive design allows for easy installation and removal with standard tools.
• Compliance with ISO 4017, DIN 933, and SAE J1199 ensures consistent quality and global interchangeability.

Professional Applications & Engineering Value

These M6 hex head screws are engineered to address critical challenges in industrial assembly, machinery, and construction. The Class 8.8 steel construction and zinc plating provide a robust solution against corrosion and mechanical stress, ideal for outdoor equipment, automotive frames, and structural frameworks. The fully threaded design with a coarse metric thread ensures secure fastening in materials prone to vibration loosening, while the external hex drive simplifies maintenance in tight spaces. By meeting stringent ISO 4017 and DIN 933 standards, these screws deliver predictable performance, reducing downtime and enhancing safety in demanding applications.

Specification Summary & Compliance

This fastener features an M6 x 1 mm metric coarse thread with a Class 6h thread fit for precise engagement, and it is manufactured in accordance with ISO 4017, DIN 933, and SAE J1199 specifications. It is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for industrial use.