S-93880A542 Length 1" Tapping Screws

Tapping Screws

0451FA00019 Tapping Screws
0451FA00019 Tapping Screws

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

Part No.
Part No. 0451FA00019
Equivalent to mcmaster :
93880A542

Basic Information

Tapping Screw Type B
Screw Features Flanged
System of Measurement Inch

Head Parameters

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

Dimensions

Length 1"
Flange Diameter 0.52"
Shank Cross Section Round

Thread Parameters

Screw Size 1/4"
Thread Diameter 0.25"
Approximate Threads per Inch 14
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style External Hex/Slotted
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
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 technology creates stronger, more reliable threads in sheet metal without chip removal
  • Enhanced stability and load distribution through integrated flange design that eliminates the need for separate washers
  • Versatile drive options with combined external hex/slotted head for flexible installation using various tools
  • Optimized for sheet metal applications with blunt tip design that prevents material damage during installation
  • Full threading along 1" length ensures maximum grip strength and uniform stress distribution
  • Environmental compliance assurance with RoHS 3 certification for safe, regulated manufacturing standards

Professional Applications & Engineering Value

These zinc-plated steel flanged hex head tapping screws deliver exceptional performance in sheet metal applications where vibration resistance and long-term reliability are critical. The thread forming technology eliminates the need for pre-tapped holes while creating stronger, more durable connections by displacing material rather than removing it. This prevents metal chips from contaminating sensitive assemblies and ensures tighter thread engagement. The combination of external hex/slotted drive provides installation flexibility for both power and manual tools, while the integrated flange distributes clamping force evenly across wider surfaces. Engineered with fully threaded blunt tip design, these screws minimize the risk of material splitting in thin-gauge metals, making them ideal for HVAC systems, electronic enclosures, automotive components, and industrial equipment where secure fastening is paramount.

Specification Summary & Compliance

This 1/4"-14 TPI tapping screw features precise Class 2A thread tolerances with Type B thread forming design and right-hand threading. Manufacturing specifications include 3/8" hex head width, 0.52" flange diameter, and 1" fully threaded length. Designed for use with 5.5 mm (0.2165") drill bits, this fastener is fully RoHS 3 (2015/863/EU) compliant and meets industry standards for sheet metal fastening applications.

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