S-90180A624 M8 x 40 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance from blue-dyed zinc plating extends service life in harsh environments, minimizing maintenance costs.
• High-strength Class 10.9 rating with Rockwell C32 hardness provides consistent durability and load-bearing capacity for demanding assemblies.
• Precision metric coarse threading (M8 x 1.25 mm) with Class 6g fit allows for easy installation and secure fastening in coarse-thread applications.
• Partially threaded design offers optimal grip and clamping force where full threading isn't required, enhancing assembly versatility.
• External hex drive and standard hex head enable quick, tool-friendly installation with common wrenches, speeding up production times.
• Compliance with ISO 4014 DIN 931 standards ensures interchangeability and reliability in global engineering projects, supported by RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

Engineered for robust performance, this M8 hex head screw addresses critical challenges in industrial and construction settings. The Class 10.9 steel construction, combined with a Rockwell C32 hardness, withstands heavy loads and vibrations, preventing loosening in machinery, automotive, and structural assemblies. Its partially threaded metric design with coarse threading ensures rapid installation and secure holding power, while the blue-dyed zinc-plated finish resists corrosion from moisture and chemicals, extending fastener life in outdoor or corrosive environments. By meeting ISO 4014 DIN 931 specifications, it guarantees dimensional accuracy and compatibility, making it ideal for B2B procurement in sectors requiring high-strength, metric coarse thread fasteners that adhere to strict quality and safety standards.

Specification Summary & Compliance

This fastener features precise Class 6g thread fit and M8 x 1.25 mm coarse threading with a minimum thread length of 22 mm, ensuring reliable engagement. Manufactured in compliance with ISO 4014 DIN 931 standards for dimensional accuracy, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for eco-conscious industrial applications.