S-90202A105 M8 x 20 mm ASTM A582 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Exceptional thread engagement and load distribution with fully threaded design, ensuring secure connections in demanding applications
• Precise metric threading (M8 x 1.25mm coarse) with Class 6H fit for easy assembly and consistent performance in industrial setups
• High tensile strength and durability compliant with ASTM A582, providing dependable performance under stress
• Wide compatibility with standard M8 coarse threaded rods and bolts, simplifying inventory and replacement
• Environmentally compliant with RoHS 3 and REACH standards, meeting global regulatory requirements for safe use
• Compact and robust design (11mm OD, 20mm length) for space-efficient coupling without sacrificing strength

Professional Applications & Engineering Value

This M8 coupling nut is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. Made from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for applications in machinery, automotive, and construction where exposure to moisture or aggressive substances is a concern. The fully threaded and right-hand coarse thread design ensures quick installation and reliable torque transmission, reducing assembly time and maintenance needs. By complying with ASTM A582 and featuring a Class 6H thread fit, this nut maintains dimensional accuracy, preventing misalignment and ensuring seamless integration with metric coarse threaded components. Its robust build supports extended service life in high-stress environments, providing engineers with a cost-effective, long-term coupling solution.

Specification Summary & Compliance

This coupling nut features precise metric threading (M8 x 1.25mm coarse) with a Class 6H thread fit per ISO standards, ensuring tight tolerances for reliable fastening. It meets ASTM A582 specifications for material and manufacturing quality, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.