S-92066A031 3/8"-16 Socket Nuts

Socket Nuts

1066FA00037 Socket Nuts
1066FA00037 Socket Nuts

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

Part No.
Part No. 1066FA00037
Equivalent to mcmaster :
92066A031

Basic Information

System of Measurement Inch
Nut Type Socket Head

Dimension Parameters

Height 0.61"
OD 0.59"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Threading Partially Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B
Thread Depth 0.33"

Head Parameters

Drive Style Hex

Material & Strength Parameters

Material Alloy Steel

Installation & Application Parameters

For Hole Diameter 0.61"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) compliant with exemption 6(a) - Lead as an alloying element in steel
REACH REACH (EC 1907/2006) (01/17/2023, 233 SVHC) Compliant

Drive & Tool Parameters

Hex Key Size 3/8"
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 Clamping Force from the partially threaded design ensures secure and reliable connections in demanding applications.
  • High-Strength Alloy Steel Construction provides exceptional durability and resistance to wear, extending service life in industrial environments.
  • Precision Class 2B Thread Fit guarantees smooth assembly and consistent performance with standard UNC coarse threaded components.
  • 3/8" Hex Key Drive allows for easy installation and removal using common tools, improving maintenance efficiency.
  • RoHS 3 & REACH Compliance ensures environmental responsibility and meets strict international regulatory standards for industrial use.
  • Optimized 0.59" OD and 0.61" Height offers a compact profile for space-constrained applications without sacrificing strength.
  • Right-Hand UNC Coarse Threading delivers quick assembly and high vibration resistance in heavy-duty fastening scenarios.

Professional Applications & Engineering Value

This partially threaded socket head nut is engineered to address critical challenges in industrial machinery, automotive assemblies, and precision equipment. The high-strength alloy steel material withstands high tensile loads and repetitive stress, preventing failure in vibration-intensive environments. Its UNC coarse threading and Class 2B thread fit ensure compatibility with standard bolts, reducing installation errors and enhancing operational reliability. The hex drive design facilitates secure tool engagement, making it ideal for applications where access is limited but high clamping force is essential. By combining robust construction with regulatory compliance, this nut delivers consistent performance in sectors demanding both mechanical integrity and environmental adherence.

Specification Summary & Compliance

This socket nut features a 3/8"-16 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and reliable engagement. It complies with RoHS 3 (2015/863/EU) under exemption 6(a) and is REACH (EC 1907/2006) compliant, meeting current substance restrictions. The nut is designed for a 0.61" hole diameter with a thread depth of 0.33", ensuring optimal performance in standardized assembly processes.

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