S-90331A555 M30 x 90 mm DIN 6334 Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength with Class 10 rating ensures reliable performance in high-stress applications, preventing joint failure under heavy loads.
• Superior corrosion resistance from zinc-plated steel coating extends service life in harsh industrial environments, reducing maintenance frequency.
• Precise metric threading with M30 x 3.5 mm coarse pitch enables quick assembly and secure connections in structural and machinery applications.
• Full-length threading along the 90 mm length provides maximum engagement flexibility for connecting rods or studs of varying lengths.
• Standard external hex design (46 mm width) offers compatibility with common wrenches for straightforward installation and removal.
• Strict compliance with DIN 6334 guarantees dimensional accuracy and interchangeability in European engineering projects.
• RoHS 3 environmental compliance ensures safe usage in regulated industries without hazardous substance restrictions.

Professional Applications & Engineering Value

This M30 coupling nut delivers critical engineering solutions where extended fastening length and high-strength connections are required. Manufactured from zinc-plated steel, it combats corrosion in outdoor construction, agricultural machinery, and industrial equipment assemblies. The coarse 3.5 mm pitch metric threading and Class 6H thread fit provide excellent vibration resistance and rapid installation in structural frameworks, conveyor systems, and heavy-duty bolting applications. Its fully threaded design accommodates misalignment and allows adjustable positioning of connected components, while the external hex drive ensures tool accessibility in confined spaces. Meeting DIN 6334 standards, this coupling nut offers reliable performance in mechanical engineering projects requiring precise, durable threaded connections.

Specification Summary & Compliance

This coupling nut features M30 metric coarse threads with 3.5 mm pitch and Class 6H thread fit tolerance per ISO standards, ensuring precise engagement with mating components. Manufacturing complies with DIN 6334 specifications for dimensional consistency and mechanical properties. The product carries RoHS 3 (2015/863/EU) compliance certification, confirming adherence to environmental regulations for hazardous substance restrictions. With Class 10 strength rating, it meets rigorous mechanical performance requirements for industrial fastening applications.