S-93474A220 M8 x 40 mm ISO 898-1, DIN 6921 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws
High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments
- High-strength Class 10.9 rating provides consistent performance for demanding mechanical assemblies
- Integrated flange design eliminates the need for separate washers, simplifying installation and improving load distribution
- Coarse M8 x 1.25 thread pitch enables faster installation and better resistance to vibration loosening
- Precision Class 6g thread fit ensures smooth assembly and optimal engagement with mating components
- External hex drive design allows for high torque application with standard tools, facilitating efficient maintenance
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Class 10.9 hex head screws deliver exceptional mechanical properties where reliability is critical. The zinc yellow-chromate plated steel construction provides superior protection against corrosion in demanding environments, while the flanged design distributes clamping force effectively, preventing surface damage and maintaining joint integrity. With partial threading and coarse metric thread pitch, these fasteners offer optimal performance in vibration-prone assemblies, making them ideal for machinery, automotive components, and structural frameworks requiring high tensile strength and long-term durability under substantial loads.
Specification Summary & Compliance
This M8 x 1.25 metric hex head screw features Class 6g thread tolerance with 40mm length and 22mm minimum thread length. Manufactured to ISO 898-1 and DIN 6921 specifications, ensuring dimensional accuracy and mechanical performance. Compliant with REACH regulations (EC 1907/2006) and manufactured with Rockwell C32 hardness for consistent quality and reliability in industrial applications.
