S-91841A013 12-24 Hex Nuts

Hex Nuts

0881FA00011 Hex Nuts
0881FA00011 Hex Nuts

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

Part No.
Part No. 0881FA00011
Equivalent to mcmaster :
91841A013

Basic Information

System of Measurement Inch
Nut Type Hex

Dimension Parameters

Width 7/16"
Height 5/32"

Thread Parameters

Thread Type UNC
Thread Size 12-24
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex 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) (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 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments
  • Precise thread engagement with Class 2B thread fit for secure, vibration-resistant fastening in industrial assemblies
  • Quick installation and removal thanks to the standard external hex drive and coarse UNC threading
  • Durable mechanical performance from the standard hex nut profile, designed to withstand high torque and repeated use
  • Wide compatibility with 12-24 UNC male threads, making it ideal for various inch-system applications
  • Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
  • Consistent dimensional accuracy with 7/16" width and 5/32" height for reliable fit in standardized equipment

Professional Applications & Engineering Value

This 12-24 UNC hex nut delivers exceptional engineering value in demanding environments where corrosion resistance and thread reliability are critical. Manufactured from 18-8 Stainless Steel, it effectively prevents rust and degradation in moisture-prone applications such as outdoor machinery, marine equipment, and food processing systems. The coarse thread design enables faster assembly and reduces cross-threading risks, while the Class 2B thread fit ensures consistent clamping force in vibrating machinery. Its standard hex profile and external hex drive provide excellent wrench access for maintenance-heavy industrial settings, making it a versatile choice for OEMs and MRO operations requiring durable inch-system fasteners.

Specification Summary & Compliance

This hex nut features 12-24 UNC coarse threads with Class 2B thread fit for standard tolerance applications. Dimensions include 7/16" width and 5/32" height, manufactured to standard hex nut profile specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial fastener applications.

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