S-90056A108 Length 3/8" Tapping Screws

Tapping Screws

0448FA00009 Tapping Screws
0448FA00009 Tapping Screws

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

Part No.
Part No. 0448FA00009
Equivalent to mcmaster :
90056A108

Basic Information

Tapping Screw Type B
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.219"
Head Height 0.08"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/8"
Shank Cross Section Round

Thread Parameters

Screw Size No. 4
Thread Diameter 0.112"
Approximate Threads per Inch 24
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Phillips
Drive Size No. 1
Drill Bit Size No. 44
Drill Bit Diameter 0.086"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Sheet Metal
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
  • Efficient thread forming action creates strong, permanent threads in sheet metal without requiring pre-tapped holes
  • Optimized drive performance with Phillips No. 1 drive for secure tool engagement and reduced cam-out risk
  • Enhanced material integrity through blunt tip design that displaces material rather than removing it
  • Full-length threading ensures maximum grip and uniform load distribution along the entire fastener length
  • Precision dimensional control with Class 2A thread tolerances for consistent performance and reliable installations
  • Environmental compliance assurance meeting RoHS 3 standards for restricted substance management

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional value in sheet metal applications where traditional fastening methods fall short. The thread forming Type B design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs. The fully threaded configuration provides maximum engagement with parent material, creating vibration-resistant connections that maintain integrity under dynamic loads. The Phillips drive system offers reliable torque transmission while the pan head profile ensures adequate bearing surface without protruding excessively. Engineered specifically for No. 44 drill bit compatibility (0.086" diameter), these screws streamline the installation process while the zinc plating provides essential corrosion protection for industrial environments.

Specification Summary & Compliance

This No. 4-24 x 3/8" tapping screw features precision Class 2A thread tolerances with 24 threads per inch and right-hand threading. Manufactured to industry standards for thread forming Type B screws, the fastener demonstrates full compliance with RoHS 3 (2015/863/EU) regulations for hazardous substance restriction. The product maintains dimensional accuracy with 0.112" thread diameter, 0.219" head diameter, and 3/8" length specifications, ensuring consistent performance across production runs.

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