S-94831A615 12-24 Flange Nuts

Flange Nuts

1215FA00040 Flange Nuts
1215FA00040 Flange Nuts

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

Part No.
Part No. 1215FA00040
Equivalent to mcmaster :
94831A615

Basic Information

System of Measurement Inch
Nut Type Flange, Locknut, Hex

Dimension Parameters

Width 7/16"
Height 15/64"

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

Flange Parameters

Flange Diameter 19/32"
Flange Thickness 0.04"

Material & Strength Parameters

Material Zinc-Plated Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Locking Type Serrations
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 vibration resistance through serrated locking technology that prevents loosening under dynamic loads
  • Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh environments
  • Secure flange distribution with 19/32" diameter providing wider bearing surface to prevent surface damage
  • Reliable coarse thread engagement with UNC 12-24 Class 2B threads ensuring consistent fastening performance
  • Industry-standard compatibility with external hex drive design for easy installation using common tools
  • Environmental compliance assurance meeting both REACH and RoHS 3 standards for industrial applications
  • Optimized dimensional stability with precise 7/16" width and 15/64" height for consistent fit and performance

Professional Applications & Engineering Value

This 12-24 UNC serrated flange locknut delivers critical vibration-resistant performance for demanding industrial applications where secure fastening is paramount. The zinc-plated steel construction provides essential corrosion resistance in manufacturing environments, while the serrated locking mechanism creates permanent resistance to rotational forces that cause conventional nuts to loosen. The integrated flange design eliminates the need for separate washers, distributing clamp load across a wider surface area to prevent damage to connected materials. Particularly valuable in heavy machinery, automotive assemblies, and electrical enclosures, this Class 2B coarse thread nut ensures reliable performance in high-vibration scenarios where fastener failure could lead to equipment downtime or safety concerns.

Specification Summary & Compliance

Manufactured to precise dimensional standards including 12-24 UNC coarse thread with Class 2B thread fit for consistent engagement. The external hex drive (7/16" width) and 15/64" height provide standard tool compatibility. Features include 19/32" flange diameter with 0.04" thickness for optimal load distribution. This product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring suitability for industrial applications with strict material requirements.

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