S-90202A442 M8 x 25 mm Coupling Nuts

Coupling Nuts

0991FA00058 Coupling Nuts
0991FA00058 Coupling Nuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 0991FA00058
Equivalent to mcmaster :
90202A442

Basic Information

System of Measurement Metric
Nut Type Coupling

Dimension Parameters

Length 25 mm
OD 11 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Threading Fully Threaded
Thread Direction Right Hand
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Coupling Nut Profile Standard

Material & Strength Parameters

Material 18-8 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Precise Class 6H thread fit ensures reliable, vibration-resistant connections in critical assemblies
  • Fully threaded right-hand design provides maximum engagement and load distribution
  • M8 x 1.25 mm coarse pitch threading enables quick assembly and disassembly while maintaining strength
  • RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence
  • Standard 11mm OD and 25mm length offers versatile compatibility with metric threaded rods and components
  • Durable metric threading system delivers consistent performance in mechanical and structural applications

Professional Applications & Engineering Value

This M8 coupling nut delivers exceptional engineering value through its 18-8 stainless steel composition and fully threaded design. The material's inherent corrosion resistance solves common industrial challenges in humid, chemical, or outdoor environments where rust compromises fastener integrity. With Class 6H thread fit and coarse pitch metric threading, it maintains precise alignment while resisting loosening under dynamic loads—critical in machinery, framework extensions, and conveyor systems. The right-hand threaded coupling nut efficiently joins threaded rods or studs, providing robust, continuous connections that withstand tension and shear forces in construction, automotive, and manufacturing applications.

Specification Summary & Compliance

Manufactured to metric standards with M8 x 1.25 mm coarse threads and Class 6H thread fit for dimensional accuracy. The nut features an 11 mm OD and 25 mm length, fully threaded for consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to industrial safety and environmental standards.

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