S-91287A142 M6 x 40 mm ISO 4014, DIN 931 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid environments.
• High tensile strength of 100,000 psi ensures reliable load-bearing capacity and joint integrity.
• Class 6g thread fit provides precision threading for smooth assembly and consistent clamping force.
• Partially threaded design with 18mm minimum thread length allows for secure fastening while reducing material usage.
• External hex drive and hex head enable easy installation and removal with standard tools.
• Coarse M6x1mm thread offers quick engagement and resistance to vibration loosening.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance in industrial markets.

Professional Applications & Engineering Value

This M6 hex head screw is engineered from 18-8 stainless steel to deliver exceptional durability and corrosion resistance, addressing common failure points in machinery, structural assemblies, and outdoor equipment. The partially threaded configuration and Class 6g thread fit minimize cross-threading risks and provide consistent preload, making it ideal for applications requiring precise alignment and vibration resistance, such as automotive frames, electrical enclosures, and construction fixtures. With its external hex drive and coarse metric thread, it ensures rapid installation in high-volume production lines, reducing labor time while maintaining high tensile strength under dynamic loads.

Specification Summary & Compliance

This screw conforms to ISO 4014 / DIN 931 standards, featuring an M6x1mm coarse thread with Class 6g thread fit for dimensional accuracy. It is RoHS 3 (2015/863/EU) compliant with applicable exemptions and REACH (EC 1907/2006) compliant, meeting current environmental and substance regulations for industrial use.