S-90180A613 M6 x 25 mm ISO 4017, DIN 933 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 the blue-dyed zinc-plated finish extends service life in harsh environments, minimizing maintenance and replacement costs.
• High hardness rating (Rockwell C32) provides excellent wear resistance and durability, maintaining thread integrity through repeated use.
• Fully threaded design offers maximum grip and uniform clamping force along the entire 25mm length for secure fastening in various materials.
• Class 10.9 strength grade guarantees consistent performance for heavy-duty applications where reliability is critical.
• External hex drive with 10mm head allows for easy installation and high torque application with standard tools, improving assembly efficiency.
• Coarse thread spacing with Class 6g fit ensures quick engagement and reliable performance in industrial assembly lines.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M6 hex head screws deliver exceptional performance where vibration resistance and structural integrity are paramount. The Class 10.9 steel construction combined with Rockwell C32 hardness provides superior resistance to shear forces and fatigue, making them ideal for heavy machinery, automotive assemblies, and structural steel applications. The blue-dyed zinc-plated finish offers enhanced corrosion protection in outdoor or chemically aggressive settings, while the fully threaded metric design ensures maximum thread engagement in both thick and thin materials. With coarse thread spacing and external hex drive, these fasteners enable rapid installation and disassembly, significantly reducing maintenance downtime in production facilities and equipment manufacturing.

Specification Summary & Compliance

These hex head screws feature precise M6 x 1mm thread dimensions with Class 6g thread fit tolerance according to metric standards. Manufacturing complies with ISO 4017 specifications (equivalent to DIN 933) for dimensional accuracy and performance consistency. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality standards for heavy-duty fastening applications.