S-90331A557 M20 x 60 mm DIN 6334 Coupling Nuts
Coupling Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional tensile strength with Class 10 rating for reliable performance in demanding applications
- Superior corrosion resistance provided by zinc-plated steel construction, extending service life
- Precise thread engagement with Class 6H thread fit ensuring secure connections and vibration resistance
- Versatile coarse threading (M20x2.5mm) enabling quick assembly and disassembly in industrial settings
- Standardized dimensions per DIN 6334 specification guaranteeing compatibility and interchangeability
- External hex drive design for easy installation using common wrench tools
- Full regulatory compliance with RoHS 3 and REACH standards for safe use across industries
Professional Applications & Engineering Value
This zinc-plated steel coupling nut delivers critical engineering value in applications requiring extended thread engagement and robust structural connections. The M20 coarse thread configuration with 2.5mm pitch provides superior pull-out resistance while accommodating minor misalignments in assembly. The Class 10 strength rating ensures reliable performance under high tensile loads, making it ideal for construction equipment, machinery frames, and structural steel applications. The fully threaded design allows for maximum adjustability in rod-to-rod connections, while the external hex drive facilitates installation in confined spaces. This DIN 6334 compliant coupling nut solves common challenges of vibration loosening and corrosion in industrial environments, offering maintenance-free service life.
Specification Summary & Compliance
This coupling nut features M20x2.5mm coarse metric threading with Class 6H thread fit tolerance per ISO standards. Manufactured to DIN 6334 specifications with dimensions of 30mm width and 60mm length. The product carries Class 10 strength classification and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across European and international markets.
