S-92750A054 2-56 x 3/8" Tapping Screws

Tapping Screws

0393FA00001 Tapping Screws
0393FA00001 Tapping Screws

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

Part No.
Part No. 0393FA00001
Equivalent to mcmaster :
92750A054

Basic Information

Tapping Screw Type CA
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.167"
Head Height 0.062"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/8"
Shank Cross Section Tri-Lobe

Thread Parameters

Thread Type UNC
Thread Size 2-56
Screw Size No. 2
Thread Diameter 0.086"
Thread Spacing Coarse
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx
Drive Size T8
Drill Bit Size No. 48
Drill Bit Diameter 0.076"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS 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, extending service life in demanding industrial environments
  • Enhanced torque transmission and reduced cam-out with Torx T8 drive system for reliable, high-torque installations
  • Excellent thread-forming capability in sheet metal applications with Tri-Lobe shank design creating secure, vibration-resistant connections
  • Optimized for sheet metal fastening with UNC coarse threads and blunt tip design for easy alignment and reduced material displacement
  • Wide compatibility with standard No. 48 (0.076") pre-drilled holes, streamlining installation processes
  • Maximum thread engagement through fully threaded design ensuring consistent holding power across the entire fastener length
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This No. 2-56 UNC coarse thread tapping screw delivers exceptional performance in sheet metal applications where vibration resistance and pull-out strength are critical. The zinc-plated steel construction provides durable corrosion protection, while the innovative Tri-Lobe shank design creates permanent threads in pre-drilled holes without generating chips. The Torx T8 drive system enables higher torque application compared to traditional drives, reducing installation time and preventing tool slippage. Engineered specifically for thread forming in metal assemblies, these screws eliminate the need for tapping operations while providing superior holding power in thin-gauge materials commonly used in electronics enclosures, HVAC systems, and automotive components.

Specification Summary & Compliance

This thread forming tapping screw features UNC Class 2A thread tolerances with a 2-56 thread size and 3/8" length. Manufactured to industry standards for sheet metal fasteners, it requires No. 48 (0.076") pre-drilled holes for optimal performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and suitability for global industrial supply chains. The pan head design with Torx T8 drive meets established industrial fastening specifications for reliable performance in professional applications.

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