S-90202A108 M8 x 50 mm ASTM A582 Coupling Nuts

Coupling Nuts

0991FA00008 Coupling Nuts
0991FA00008 Coupling Nuts

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

Part No.
Part No. 0991FA00008
Equivalent to mcmaster :
90202A108

Basic Information

System of Measurement Metric
Nut Type Coupling
Specifications Met ASTM A582

Dimension Parameters

Length 50 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) (01/17/2023, 233 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 thread engagement with Class 6H thread fit ensuring reliable connections in demanding applications
  • Full-threaded design provides maximum thread contact for enhanced load distribution and joint integrity
  • Standard coarse pitch threading (M8 x 1.25mm) enables quick assembly and disassembly while maintaining structural stability
  • ASTM A582 compliance guarantees material quality and mechanical properties for professional use
  • Extended 50mm length offers versatile coupling capabilities for various rod and bolt connection requirements
  • Environmental compliance with RoHS 3 and REACH standards ensures safe usage across regulated industries

Professional Applications & Engineering Value

This M8 coupling nut delivers exceptional engineering value through its 18-8 stainless steel composition and fully threaded design, specifically engineered to solve critical connection challenges in industrial settings. The metric coarse thread (1.25mm pitch) combined with Class 6H thread fit provides superior vibration resistance and prevents loosening in high-stress applications such as machinery assembly, structural frameworks, and precision equipment manufacturing. The corrosion-resistant properties of stainless steel ensure long-term reliability in humid or chemically aggressive environments, while the standardized 11mm OD and 50mm length offer compatibility with various industrial components. Manufactured to ASTM A582 specifications, this coupling nut maintains consistent performance in automotive, construction, and manufacturing applications where durable threaded connections are paramount.

Specification Summary & Compliance

This metric coupling nut features M8 x 1.25mm coarse threading with Class 6H thread fit precision and right-hand thread direction. The manufacturing complies with ASTM A582 standards for material properties and dimensional accuracy. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restricted substance compliance for industrial applications worldwide.

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