S-92750A270 10-24 x 1" Tapping Screws

Tapping Screws

0393FA00019 Tapping Screws
0393FA00019 Tapping Screws

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

Part No.
Part No. 0393FA00019
Equivalent to mcmaster :
92750A270

Basic Information

Tapping Screw Type CA
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.133"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1"
Shank Cross Section Tri-Lobe

Thread Parameters

Thread Type UNC
Thread Size 10-24
Screw Size No. 10
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx
Drive Size T25
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
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
  • Maximum torque transmission and reduced cam-out through T25 Torx drive design, ensuring secure installation and preventing tool slippage
  • Exceptional holding power in sheet metal achieved through Tri-Lobe shank cross-section that displaces material to create strong, vibration-resistant threads
  • Faster installation and reduced assembly time with coarse UNC threading and fully threaded design for quick engagement
  • Optimized compatibility with standard No. 21 drill bits, eliminating guesswork and ensuring proper fit in pre-drilled holes
  • Reliable thread forming capability as CA-type screws create precise threads without generating chips, ideal for sheet metal applications
  • Environmental compliance assurance with RoHS 3 certification, meeting international regulatory standards for hazardous substance restrictions

Professional Applications & Engineering Value

These 10-24 thread forming screws deliver exceptional engineering value in sheet metal fabrication and industrial assembly applications. The zinc-plated steel construction provides essential corrosion protection for longevity in challenging environments, while the Tri-Lobe shank design solves critical fastening challenges by displacing material rather than cutting it, eliminating chip contamination issues common in metalworking. The T25 Torx drive system addresses torque transmission problems frequently encountered in high-volume production, preventing cam-out and reducing installation failures. As thread forming (CA type) screws, they create stronger, more durable threads in sheet metal compared to traditional thread-cutting alternatives, making them ideal for HVAC systems, electrical enclosures, and machinery assemblies where vibration resistance and pull-out strength are paramount.

Specification Summary & Compliance

These fasteners feature precision UNC coarse threading (10-24) with Class 2A tolerance standards, ensuring consistent performance across industrial applications. The 1" length and fully threaded design provide maximum engagement in materials up to the specified thickness. Manufacturing complies with standard thread forming screw specifications for CA type tapping screws, with RoHS 3 (2015/863/EU) compliance certification ensuring adherence to international environmental regulations for hazardous substance restrictions. The product is engineered for optimal performance with No. 21 drill bits (0.159" diameter) as specified for proper hole preparation in sheet metal applications.

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