S-92066A122 M16 Socket Nuts

Socket Nuts

1066FA00054 Socket Nuts
1066FA00054 Socket Nuts

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

Part No.
Part No. 1066FA00054
Equivalent to mcmaster :
92066A122

Basic Information

System of Measurement Metric
Nut Type Socket Head

Dimension Parameters

Height 26 mm
OD 25 mm

Thread Parameters

Thread Type Metric
Thread Size M16
Threading Partially Threaded
Thread Direction Right Hand
Thread Pitch 2 mm
Thread Spacing Coarse
Thread Fit Class 6H
Thread Depth 12.7 mm

Head Parameters

Drive Style Hex

Material & Strength Parameters

Material Alloy Steel

Installation & Application Parameters

For Hole Diameter 26 mm

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant

Drive & Tool Parameters

Hex Key Size 9/16"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior torque transmission with a 9/16" hex drive, ensuring secure tightening and reducing the risk of tool slippage in high-stress applications.
  • Exceptional durability and fatigue resistance thanks to the high-strength alloy steel construction, ideal for demanding industrial environments.
  • Reliable and precise engagement with Class 6H metric threading, providing a consistent, secure fit that minimizes the risk of cross-threading or loosening.
  • Optimized for high-clearance assemblies with a partially threaded design, allowing for easier alignment and faster installation in deep or confined spaces.
  • Broad compatibility with a coarse 2mm thread pitch and M16 size, making it a versatile choice for a wide range of standard metric machinery and equipment.
  • Confidence in regulatory compliance as the nut is REACH and RoHS 3 compliant, meeting stringent international safety and environmental standards.
  • Engineered for specific fit with a 26mm body diameter designed for a 26mm hole, ensuring a flush and stable installation.

Professional Applications & Engineering Value

This M16 metric socket head nut is engineered to solve critical fastening challenges in heavy-duty industrial and mechanical systems. The high-strength alloy steel material provides excellent resistance to vibration and shock loads, preventing joint failure in machinery, automotive assemblies, and construction equipment. Its partially threaded body with a coarse 2mm thread pitch allows for rapid installation and superior holding power, even in high-vibration environments where fine threads might fail. The hex drive design enables high-torque application with standard tools, making it ideal for applications requiring frequent maintenance or adjustments. This combination of Class 6H precision threading and robust material ensures long-term reliability, reducing downtime and maintenance costs in professional engineering projects.

Specification Summary & Compliance

This socket nut features M16 x 2mm coarse, right-hand metric threads manufactured to Class 6H tolerance for precise fit and consistent performance. The nut has an outer diameter (OD) of 25mm, a height of 26mm, and a thread depth of 12.7mm, designed for a 26mm hole diameter. It is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets the latest environmental and safety standards for industrial components.

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