S-93020A785 M20 x 51 mm 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
- Superior corrosion resistance thanks to black-oxide steel construction, extending service life in harsh industrial environments
- Exceptional connection reliability with fully threaded M20 coarse (2.5 mm pitch) design for maximum engagement and load distribution
- Precise thread fit meeting Class 6H standards ensures consistent mating and reduces assembly issues
- Easy installation and removal with external hex drive style for standard wrench compatibility
- Heavy-duty performance from 32mm width and 51mm length providing robust structural integrity
- Global compliance assurance with RoHS 3 and REACH regulations for safe, sustainable usage
- Versatile metric compatibility ideal for international projects requiring standardized right-hand threading
Professional Applications & Engineering Value
This M20 coupling nut delivers critical engineering solutions where extended-length fastening is required. Manufactured from black-oxide steel, it provides enhanced oxidation resistance compared to untreated alternatives, addressing corrosion concerns in manufacturing, construction, and machinery applications. The fully threaded metric design with coarse 2.5 mm pitch ensures rapid assembly while maintaining high tensile strength for connecting rods, shafts, or threaded bars. The Class 6H thread fit guarantees precise tolerance control, eliminating play in dynamic load scenarios. Its external hex drive profile accommodates standard tools, streamlining maintenance in confined spaces. Ideal for conveyor systems, structural frameworks, and heavy equipment where reliable connections must withstand vibration and stress cycles.
Specification Summary & Compliance
This coupling nut maintains ISO metric threading standards with M20x2.5 mm coarse pitch and Class 6H thread fit for consistent dimensional accuracy. Manufacturing adheres to industrial fastener specifications for external hex drive and fully threaded right-hand design. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability.
