S-92750A205 8-32 x 1/4" Tapping Screws

Tapping Screws

0393FA00012 Tapping Screws
0393FA00012 Tapping Screws

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

Part No.
Part No. 0393FA00012
Equivalent to mcmaster :
92750A205

Basic Information

Tapping Screw Type CA
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.322"
Head Height 0.115"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/4"
Shank Cross Section Tri-Lobe

Thread Parameters

Thread Type UNC
Thread Size 8-32
Screw Size No. 8
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx
Drive Size T20
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
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 for extended service life in demanding industrial environments
  • Maximum torque transfer and reduced cam-out with T20 Torx drive system for reliable installation and worker safety
  • Exceptional vibration resistance and holding power achieved through Tri-Lobe shank design that creates secure, permanent threads in sheet metal
  • Efficient installation in pre-drilled holes using standard No. 29 drill bits (0.136" diameter) for streamlined assembly processes
  • Reliable performance in sheet metal applications with thread forming (CA Type) design that displaces material without creating chips
  • Wide compatibility with UNC coarse thread (8-32) specifications commonly used in North American industrial applications
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for sustainable manufacturing operations

Professional Applications & Engineering Value

These 8-32 thread forming screws deliver exceptional engineering value in sheet metal fabrication and assembly operations. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the Tri-Lobe shank design creates superior resistance to vibration loosening – a critical factor in automotive, electronics enclosure, and HVAC applications. The T20 Torx drive system enables higher torque application compared to traditional drives, reducing installation time and preventing fastener damage. As CA Type thread forming screws, they eliminate tapping operations and produce strong, clean threads in ductile metals without generating chips that could interfere with sensitive electronic components. The UNC coarse thread profile ensures quick engagement and reliable performance in various sheet metal thicknesses.

Specification Summary & Compliance

These No. 8-32 x 1/4" screws feature Class 2A thread tolerances per UNC standards with right-hand thread direction and fully threaded design. The pan head style with 0.322" diameter provides a low-profile installation suitable for confined spaces. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet current international compliance standards for industrial use.

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