S-90096A431 10-32 x 1/2" ASME B18.6.3, SAE J933 Tapping Screws

Tapping Screws

0491FA00117 Tapping Screws
0491FA00117 Tapping Screws

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

Part No.
Part No. 0491FA00117
Equivalent to mcmaster :
90096A431

Basic Information

Tapping Screw Type F
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 0.313"
Head Height 0.151"

Dimensions

Length 1/2"
Flange Diameter 0.414"
Shank Cross Section Round

Thread Parameters

Thread Type UNF
Thread Size 10-32
Screw Size No. 10
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Threading Fully Threaded
Locking Type Serrations

Tip & Drive Parameters

Tip Type Blunt
Drive Style External Hex
Drill Bit Size 11/64"
Drill Bit Diameter 0.1719"
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, extending service life in demanding industrial environments.
  • Excellent thread-forming capability in materials like aluminum and cast iron, reducing the need for pre-tapped holes and speeding up assembly.
  • Enhanced locking security provided by serrations under the flange, minimizing the risk of loosening under vibration.
  • High-torque installation enabled by the external hex head design, allowing for secure and efficient driving with standard tools.
  • Reliable fine thread engagement with the 10-32 UNF thread, offering improved clamping force and resistance to stripping in softer metals.
  • Integrated flange design distributes clamping pressure over a wider area, protecting material surfaces and improving joint integrity.
  • Full compliance with industry standards including ASME B18.6.3 and RoHS 3, ensuring consistent quality and environmental safety.

Professional Applications & Engineering Value

This 10-32 UNF fine thread tapping screw is engineered to solve common fastening challenges in aluminum, brass, cast iron, and sheet metal assemblies. Its thread-cutting design creates precise mating threads as it's driven, eliminating the time and cost associated with pre-tapping operations. The zinc-plated steel material provides essential corrosion protection for long-term reliability in harsh conditions. The combination of a flanged hex head and external hex drive ensures high torque application without slippage, while the serrations deliver vibration-resistant locking. This makes it ideal for manufacturing, automotive, and metal fabrication applications where durability and secure fastening are critical.

Specification Summary & Compliance

This screw features a 10-32 UNF fine thread with right-hand direction and full threading. It meets dimensional and performance requirements per ASME B18.6.3 specification (SAE J933). The product is RoHS 3 (2015/863/EU) Compliant, ensuring it is free of restricted hazardous substances. Designed for use with an 11/64" drill bit (0.1719" diameter), it ensures proper fit and optimal thread engagement in specified materials.

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