S-94036A431 M8 x 30 mm ISO 898-1, DIN 6921 Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments
• High tensile strength of 110,000 PSI ensures reliable performance in demanding applications without failure
• Class 8.8 strength grade provides superior load-bearing capacity for heavy-duty fastening requirements
• Integrated flange design eliminates the need for separate washers, simplifying installation and reducing assembly time
• Rockwell C22 hardness maintains thread integrity and prevents stripping during repeated use
• Coarse 1.25mm pitch threading enables quick installation and superior grip in various materials
• External hex drive compatibility allows for standard tool usage and high torque application

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M8 hex flange screws deliver exceptional performance where vibration resistance and structural integrity are critical. The zinc yellow-chromate plated steel construction provides superior protection against corrosion in manufacturing, automotive, and construction environments. The partially threaded design ensures optimal clamping force distribution, while the integrated flange creates a larger bearing surface that prevents loosening under dynamic loads. With Class 8.8 strength certification and Rockwell C22 hardness, these metric coarse thread fasteners maintain their mechanical properties even in high-stress applications, making them ideal for machinery assembly, structural frameworks, and equipment manufacturing where reliability cannot be compromised.

Specification Summary & Compliance

This M8 x 1.25 x 30mm hex flange screw features Class 6g thread fit tolerance ensuring precise engagement and consistent performance. Manufactured in compliance with ISO 898-1 DIN 6921 standards for dimensional accuracy and mechanical properties. The product meets REACH compliance (EC 1907/2006) requirements and is manufactured following international quality standards for industrial fasteners. The partially threaded configuration with 22mm minimum thread length provides optimal fastening characteristics for various material thicknesses.