S-90202A102 M5 x 20 mm ASTM A582 Coupling Nuts

Coupling Nuts

0991FA00002 Coupling Nuts
0991FA00002 Coupling Nuts

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

Part No.
Part No. 0991FA00002
Equivalent to mcmaster :
90202A102

Basic Information

System of Measurement Metric
Nut Type Coupling
Specifications Met ASTM A582

Dimension Parameters

Length 20 mm
OD 8 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Threading Fully Threaded
Thread Direction Right Hand
Thread Pitch 0.8 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 from 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
  • Precise metric threading with M5 x 0.8mm coarse pitch for quick, secure assembly and reduced cross-threading risks.
  • High thread quality with Class 6H fit, delivering consistent engagement and vibration-resistant connections.
  • Full-length threading across the 20mm length, allowing flexible positioning and maximum adjustability in assemblies.
  • Compliance with ASTM A582 standards, guaranteeing material consistency and mechanical performance for industrial use.
  • RoHS 3 and REACH compliance, meeting strict environmental regulations for safe, sustainable operations.
  • Versatile connectivity with 8mm OD and right-hand thread, enabling easy integration into metric-based systems.

Professional Applications & Engineering Value

This M5 coupling nut in 18-8 stainless steel addresses critical challenges in industrial assembly, where corrosion and thread wear compromise longevity. The fully threaded design and coarse metric pitch simplify alignment in tight spaces, reducing installation time and preventing stripping. Engineered to ASTM A582, it maintains integrity under stress in machinery, automotive, and structural frameworks. The Class 6H thread fit ensures minimal backlash, enhancing stability in dynamic applications. Ideal for extending rods or joining components, it offers a rust-resistant solution that withstands moisture, chemicals, and temperature fluctuations, lowering maintenance costs and downtime.

Specification Summary & Compliance

This coupling nut features M5 thread size with 0.8mm coarse pitch, conforming to metric standards and Class 6H thread fit for precise tolerance. It meets ASTM A582 material specifications, with an OD of 8mm and length of 20mm. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety guidelines.

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