S-90286A319 Length 2" Tapping Screws

Tapping Screws

0439FA00041 Tapping Screws
0439FA00041 Tapping Screws

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

Part No.
Part No. 0439FA00041
Equivalent to mcmaster :
90286A319

Basic Information

Tapping Screw Type A
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/8"
Head Height 0.24"

Dimensions

Length 2"
Flange Diameter 0.52"
Shank Cross Section Round

Thread Parameters

Screw Size No. 14
Thread Diameter 0.242"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style External Hex/Slotted
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
Tapping Method Thread Forming

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.025"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior holding power with 0.52" flange diameter for enhanced load distribution and vibration resistance in sheet metal assemblies
  • Effortless installation thanks to pointed tip design and thread forming action that eliminates the need for separate tapping operations
  • High torque capability with 3/8" external hex head that provides secure tool engagement and prevents stripping during installation
  • Optimized thread engagement with 10 threads per inch and fully threaded 2" length for maximum pull-out strength in various material thicknesses
  • Precision compatibility with standard 5.5mm drill bits and 0.025" maximum drilling thickness for consistent performance across applications
  • Environmental compliance assurance with RoHS 3 and REACH compliance, meeting strict international regulatory standards
  • Reliable thread forming action using Type A thread forming technology that creates strong, permanent threads in sheet metal

Professional Applications & Engineering Value

These No. 14 thread forming tapping screws deliver exceptional performance in demanding sheet metal applications where vibration resistance and long-term reliability are critical. The thread forming design creates precise, clean threads without generating chips, eliminating contamination risks in electrical enclosures, HVAC systems, and machinery guards. The flanged hex head provides superior clamping force distribution, preventing material distortion in thin-gauge metals while the external hex drive ensures high torque transmission during installation. Engineered with 10 threads per inch and fully threaded construction, these screws maintain consistent holding power across varying material thicknesses, making them ideal for assembly lines requiring standardized fastening solutions.

Specification Summary & Compliance

These inch-system fasteners feature a No. 14 screw size with 0.242" thread diameter and 10 threads per inch precision threading. The thread forming Type A design conforms to industry standards for self-tapping applications, while the external hex/slotted drive provides versatile installation options. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The screws are optimized for use with 5.5mm drill bits (0.2165") and accommodate maximum drilling thickness of 0.025" in sheet metal applications.

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