S-93355A560 M22 x 66 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
- Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
- Precise thread engagement with Class 6H fit ensuring reliable, vibration-resistant connections in heavy-duty assemblies
- High-strength coupling capability through full metric threading (M22x2.5) for joining long threaded rods or components
- Standardized compatibility with DIN 6334 specification, guaranteeing interchangeability and engineering consistency
- Easy installation and removal with external hex drive design allowing standard wrench access in confined spaces
- Enhanced durability with coarse pitch threading providing better stress distribution and damage resistance
- Regulatory compliance meeting RoHS 3 standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This M22 coupling nut delivers critical performance where extended fastener lengths and high tensile strength are required. The zinc-plated steel construction provides essential corrosion protection for outdoor equipment, structural frameworks, and machinery subjected to moisture or chemical exposure. With coarse metric threading (2.5 mm pitch), the nut maintains superior grip strength while resisting cross-threading during assembly—particularly valuable in high-vibration environments like construction equipment, conveyor systems, and industrial piping. The fully threaded design and DIN 6334 compliance ensure consistent performance when joining threaded rods in scaffolding, suspension systems, or precision manufacturing jigs, eliminating connection failures that compromise structural integrity.
Specification Summary & Compliance
Manufactured to DIN 6334 standards with Class 6H thread tolerance for precision fit. Features M22x2.5 mm coarse metric threading with right-hand orientation. Dimensions: 32mm width (across flats), 66mm length. RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I for lead as steel alloying element. External hex drive configuration for standard tool compatibility.
