S-94846A203 5/16"-18 ASME B18.2.2 Hex Nuts

Hex Nuts

0921FA00011 Hex Nuts
0921FA00011 Hex Nuts

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Part No.
Part No. 0921FA00011
Equivalent to mcmaster :
94846A203

Basic Information

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

Dimension Parameters

Width 1/2"
Height 3/16"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Thin

Material & Strength Parameters

Material 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
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Key Features & Benefits at a Glance

  • Enhanced strength-to-weight ratio with Grade 5 steel construction, providing reliable performance in demanding applications without adding unnecessary bulk
  • Space-saving thin profile (3/16" height) enables installation in compact assemblies where standard nuts won't fit
  • Secure fastening performance with Class 2B thread fit ensuring consistent engagement and vibration resistance
  • Quick installation efficiency through UNC coarse threading that resists cross-threading and speeds assembly processes
  • Superior corrosion resistance from steel material properties, extending service life in industrial environments
  • Standardized compatibility with ASME B18.2.2 specifications, guaranteeing interchangeability with other compliant components
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use across global markets

Professional Applications & Engineering Value

This Grade 5 steel thin hex nut delivers exceptional engineering value through its optimized design for space-constrained applications. The 5/16"-18 UNC coarse thread configuration provides rapid installation while maintaining secure connections in vibrating environments. The thin profile (3/16" height) solves critical clearance issues in compact assemblies across machinery, equipment manufacturing, and structural frameworks. Manufactured to ASME B18.2.2 standards, this external hex drive nut ensures consistent performance and compatibility with standard tools. The Class 2B thread fit offers precise engagement that prevents loosening under dynamic loads, making it ideal for automotive, industrial machinery, and construction applications where reliability is paramount.

Specification Summary & Compliance

This hex nut features 5/16"-18 UNC coarse threading with Class 2B thread fit precision, manufactured in compliance with ASME B18.2.2 specifications. The component meets Grade 5 strength classification requirements and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensions include 1/2" width across flats and 3/16" height, providing a standardized thin profile solution for industrial fastening applications.

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