S-90096A306 6-32 x 1" ASME B18.6.3, SAE J933 Tapping Screws

Tapping Screws

0491FA00020 Tapping Screws
0491FA00020 Tapping Screws

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

Part No.
Part No. 0491FA00020
Equivalent to mcmaster :
90096A306

Basic Information

Tapping Screw Type F
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 0.118"

Dimensions

Length 1"
Flange Diameter 0.328"
Shank Cross Section Round

Thread Parameters

Thread Type UNC
Thread Size 6-32
Screw Size No. 6
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style External Hex
Drill Bit Size No. 31
Drill Bit Diameter 0.12"
Tapping Method Thread Cutting

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Aluminum, Brass, Cast Iron, Sheet Metal
RoHS Compliant
Specifications Met ASME B18.6.3, SAE J933
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
  • Excellent thread-cutting performance in multiple materials including aluminum, brass, cast iron, and sheet metal without pre-tapped holes
  • Enhanced driving efficiency with external hex head design providing secure tool engagement and high torque capability
  • Maximum holding power through fully threaded design and Type F thread cutting geometry for reliable fastening in various substrates
  • Simplified installation process with precise No. 31 drill bit compatibility and flanged design for improved load distribution
  • Industry-standard compliance meeting ASME B18.6.3 specifications and RoHS 3 environmental regulations for quality assurance
  • Versatile coarse thread application with 6-32 UNC thread size providing strong engagement in softer materials and faster installation

Professional Applications & Engineering Value

These 6-32 UNC zinc-plated steel tapping screws deliver exceptional engineering value in industrial assembly applications where reliable fastening in non-ferrous metals and sheet materials is critical. The Type F thread cutting design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs while maintaining superior pull-out resistance. The combination of zinc-plated corrosion protection and coarse UNC threading ensures durable performance in aluminum, brass, and cast iron components commonly found in electrical enclosures, machinery frames, and automotive assemblies. The flanged hex head configuration provides enhanced bearing surface and prevents over-tightening, making these thread cutting screws ideal for high-vibration environments where fastener integrity is paramount.

Specification Summary & Compliance

These tapping screws feature precise 6-32 UNC coarse threads with Class 2A fit tolerance and are manufactured to ASME B18.6.3 specifications (SAE J933) for dimensional accuracy and performance reliability. The fully threaded 1" length design with blunt tip and round shank cross-section ensures consistent engagement depth. Compliance with RoHS 3 (2015/863/EU) environmental standards confirms the absence of restricted hazardous substances, making these screws suitable for global industrial applications requiring environmental regulation compliance.

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