S-93880A583 Length 1" Tapping Screws

Tapping Screws

0451FA00025 Tapping Screws
0451FA00025 Tapping Screws

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

Part No.
Part No. 0451FA00025
Equivalent to mcmaster :
93880A583

Basic Information

Tapping Screw Type B
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/2"
Head Height 0.285"

Dimensions

Length 1"
Flange Diameter 0.676"
Shank Cross Section Round

Thread Parameters

Screw Size 5/16"
Thread Diameter 0.313"
Approximate Threads per Inch 12
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style External Hex
Drill Bit Size 6.9 mm
Drill Bit Diameter 0.2717"
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, ensuring long-lasting performance in demanding industrial environments
  • Enhanced torque transmission through the external hex drive design, allowing for secure installation and reduced tool slippage
  • Efficient thread forming action with Type B tapping method, creating strong threads in sheet metal without pre-tapped holes
  • Integrated flange design provides wider bearing surface, distributing clamp load evenly and eliminating the need for separate washers
  • Full threading along 1" length delivers maximum grip range and holding power throughout the entire fastener engagement
  • Precise blunt tip design enables accurate positioning and reduces the risk of material damage during installation
  • Environmental compliance assurance with RoHS 3 (2015/863/EU) certification, meeting international regulatory standards

Professional Applications & Engineering Value

These 5/16"-12 thread forming screws are specifically engineered to address common challenges in sheet metal fabrication and assembly. The zinc-plated steel construction provides essential corrosion protection for industrial applications where environmental factors can compromise fastener integrity. The external hex drive configuration ensures maximum torque transmission during installation, reducing the risk of stripped heads and failed installations. As thread forming screws, they create precise mating threads in sheet metal substrates without removing material, resulting in stronger thread engagement and vibration resistance. The integrated flanged design eliminates the need for separate washers, streamlining inventory and reducing installation time while providing superior clamp load distribution. These characteristics make them ideal for HVAC systems, electrical enclosures, automotive components, and other sheet metal applications requiring reliable, high-performance fastening solutions.

Specification Summary & Compliance

These tapping screws feature a 5/16" thread diameter with 12 threads per inch, 1" length, and are manufactured as Type B thread forming screws with right-hand threading. The fastener meets standard dimensional requirements for inch-system fasteners and is designed for use with a 6.9 mm (0.2717") drill bit size. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and adherence to international substance restriction standards for industrial components.

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