S-97646A331 M8 x 20 mm 18-8 Stainless Steel Serrated-Flange Hex Head Screws
18-8 Stainless Steel Serrated-Flange 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced load distribution through the integrated flange, reducing surface pressure and preventing loosening
- High tensile strength of 100,000 psi ensures reliable performance under heavy mechanical stress
- Precision Class 6g thread fit guarantees consistent, secure fastening with minimal tolerance issues
- External hex drive design allows for easy installation and high torque application with standard tools
- Serrations for effective locking provide vibration resistance in dynamic applications
- Full compliance with RoHS 3 and REACH regulations, ensuring environmental and safety standards are met
Professional Applications & Engineering Value
This M8 flanged hex head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The 18-8 stainless steel material offers excellent resistance to rust and chemical exposure, making it suitable for outdoor machinery, marine equipment, and food processing applications. The integrated flange eliminates the need for separate washers, distributing clamp load evenly and reducing assembly time. With a coarse thread pitch of 1.25mm and Class 6g thread fit, it ensures quick installation and reliable holding power in metals and plastics, while the external hex drive facilitates high-torque tightening in confined spaces. These features collectively enhance durability, reduce maintenance, and improve operational efficiency in industrial fastening systems.
Specification Summary & Compliance
This screw features a metric M8 x 1.25mm coarse thread with Class 6g tolerance for precise fit, fully threaded for maximum grip. Dimensions include a 20mm length, 13mm head width, 8.1mm head height, and 18mm flange diameter. Manufactured to high standards with a hardness of Rockwell B100 and tensile strength of 100,000 psi. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental responsibility.
