S-94846A520 7/16"-20 ASME B18.2.2 Hex Nuts

Hex Nuts

0921FA00043 Hex Nuts
0921FA00043 Hex Nuts

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

Part No.
Part No. 0921FA00043
Equivalent to mcmaster :
94846A520

Basic Information

System of Measurement Inch
Nut Type Hex
Specifications Met ASME B18.2.2

Dimension Parameters

Width 11/16"
Height 1/4"

Thread Parameters

Thread Type UNF
Thread Size 7/16"-20
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Thin

Material & Strength Parameters

Material Zinc-Plated Steel
Fastener Strength Grade/Class Grade 5

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
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 corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
  • High-strength Grade 5 performance ensures reliable fastening in heavy-duty industrial applications
  • Fine thread spacing (20 TPI) provides enhanced vibration resistance and superior clamping force
  • Class 2B thread fit guarantees precise mating with male threads for smooth assembly and consistent torque values
  • Thin profile design saves space and weight while maintaining full nut strength and functionality
  • ASME B18.2.2 compliance ensures dimensional accuracy and interchangeability with standard components
  • Environmental compliance with RoHS 3 and REACH regulations for safe, sustainable manufacturing

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel thin hex nut delivers exceptional engineering value through its optimized material and thread design. The 7/16"-20 UNF fine thread configuration provides superior resistance to vibration loosening in dynamic applications, while the Class 2B thread fit ensures precise engagement with mating components for consistent torque transmission. The thin hex nut profile addresses space-constrained assembly challenges without compromising strength, making it ideal for machinery, automotive systems, and industrial equipment where reliable corrosion-resistant fastening is critical. The zinc plating creates a protective barrier against environmental factors, extending service life in harsh operating conditions while maintaining the high tensile strength required for Grade 5 heavy-duty applications.

Specification Summary & Compliance

This 7/16"-20 UNF thin hex nut features precise Class 2B thread fit tolerances and complies with ASME B18.2.2 manufacturing specifications. The fastener maintains dimensional accuracy with 11/16" width and 1/4" height profiles, ensuring proper wrench engagement and installation consistency. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, confirming its suitability for regulated industrial applications requiring verified material safety and sustainability.

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