S-93474A218 M8 x 30 mm ISO 898-1, DIN 6921 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 10.9 rating, 150,000 psi tensile strength, and Rockwell C32 hardness for reliable performance in high-stress applications.
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh industrial environments.
• Secure and stable fastening with the integrated DIN 6921 flange design, distributing load evenly and reducing the need for separate washers.
• Easy installation and removal using a standard external hex drive, compatible with common tools for efficient assembly.
• Precise thread engagement with M8x1.25mm coarse pitch and Class 6g fit, ensuring quick, reliable connections in various materials.
• Full threading for maximum grip along the 30mm length, providing consistent holding power across the entire fastener.
• Compliance with international standards including ISO 898-1 and REACH, guaranteeing quality and safety for industrial use.

Professional Applications & Engineering Value

This M8 hex head screw is engineered to address critical challenges in heavy-duty applications, such as machinery assembly, automotive components, and structural frameworks. The Class 10.9 high-strength steel and zinc yellow-chromate plating work together to resist corrosion and withstand extreme loads, reducing maintenance and failure risks. The flanged design per DIN 6921 eliminates washer requirements, speeding up installation while enhancing joint integrity. With a coarse thread pitch of 1.25mm, it offers excellent pull-out resistance in brittle materials, making it ideal for dynamic environments where vibration and stress are common. Fully threaded and right-hand oriented, it ensures uniform stress distribution and reliable performance in industrial fastening systems.

Specification Summary & Compliance

This fastener features an M8 thread size with a 1.25mm coarse pitch and Class 6g thread fit for precise tolerance. It meets ISO 898-1 specifications for mechanical properties and is manufactured in accordance with DIN 6921 for flange dimensions. The product is REACH compliant (EC 1907/2006), ensuring adherence to environmental and safety regulations, and is free from SVHCs above threshold limits as of the latest assessment.