S-90386A111 M8 x 35 mm DIN 6921 Medium-Strength Metric Class 8.8 Steel Serrated-Flange Hex Head Screws
Medium-Strength Metric Class 8.8 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 vibration resistance through serrated locking design that prevents loosening under dynamic loads
- Enhanced load distribution with integrated flange eliminating the need for separate washers
- Exceptional tensile strength with Class 8.8 rating (110,000 psi) for demanding industrial applications
- Corrosion-resistant protection via zinc-plated steel construction ensuring long-term durability
- Precise metric threading with M8 x 1.25mm coarse pitch for faster installation and reliable engagement
- Optimized torque transmission through external hex drive design compatible with standard tools
- Consistent performance with Rockwell C22 hardness maintaining structural integrity under stress
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M8 hex head screws address critical vibration and corrosion challenges in machinery assembly, structural frameworks, and equipment manufacturing. The zinc-plated steel construction provides essential corrosion protection in harsh environments, while the serrated locking feature beneath the flange creates positive anti-rotation security that maintains joint integrity under continuous vibration. The fully threaded design ensures maximum engagement strength throughout the fastener length, and the integrated flange distributes clamping force effectively across wider surface areas. These metric coarse thread screws with Class 8.8 strength rating deliver reliable performance in automotive, construction, and industrial machinery applications where failure is not an option.
Specification Summary & Compliance
This flanged hex screw features precision M8 x 1.25mm coarse thread with Class 6g tolerance for consistent fitment. Manufactured to DIN 6921 specifications with fully threaded design and dimensions of 35mm length, 18mm flange diameter, and 13mm hex head. The fastener meets Class 8.8 strength requirements with 110,000 psi tensile strength and Rockwell C22 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
