S-90447A118 M16 x 180 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capability with Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in high-stress environments
• Superior corrosion resistance and durability from black steel construction with Rockwell C32 hardness, ensuring long service life
• Secure and precise fastening with Class 6g thread fit and M16x2 coarse thread pitch, reducing cross-threading risks
• Easy installation and removal using standard 24mm external hex drive, compatible with common industrial tools
• Optimized weight distribution and stability through partially threaded design with 38mm minimum thread length
• Global regulatory compliance meeting DIN 931 standards, RoHS 3 and REACH environmental directives
• Versatile right-hand threading compatible with standard metric components across various applications

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M16 hex head screws provide critical solutions for structural assemblies requiring high tensile strength and vibration resistance. The Class 10.9 steel construction ensures reliable performance in heavy machinery, construction frameworks, and automotive components where failure isn't an option. The partially threaded design concentrates threading where needed while maintaining shank strength, preventing joint loosening under dynamic loads. With coarse metric threading and external hex drive, installation becomes efficient even in confined spaces, reducing assembly time and labor costs. The black surface treatment offers basic corrosion protection for indoor industrial environments, making these DIN 931 compliant fasteners ideal for OEM and MRO applications requiring consistent, reliable performance.

Specification Summary & Compliance

This metric hex head screw features precise Class 6g thread fit tolerance according to ISO standards, ensuring compatibility with standard metric nuts and threaded holes. Manufacturing strictly adheres to DIN 931 specifications for dimensional accuracy and quality control. The product demonstrates full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. The 180mm length with 38mm minimum thread length provides consistent engagement across applications while maintaining the structural integrity required for Class 10.9 strength grade performance.