S-94155A126 Length 1 3/4" Tapping Screws

Tapping Screws

0407FA00020 Tapping Screws
0407FA00020 Tapping Screws

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

Part No.
Part No. 0407FA00020
Equivalent to mcmaster :
94155A126

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.322"
Head Height 0.12"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1 3/4"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 15
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Square
Drive Size No. 2
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

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
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and labor costs
  • Secure square drive system (No. 2 size) prevents cam-out during installation, ensuring proper torque application and reducing tool slippage
  • Full-length threading provides maximum grip and holding power across the entire 1-3/4" length for superior fastening strength
  • Optimized pan head design with rounded profile offers excellent bearing surface and clean finished appearance
  • Precision-engineered dimensions (0.164" thread diameter, 15 TPI) ensure consistent performance and reliable fit in No. 29 drill holes
  • Environmental compliance ready with RoHS 3 and REACH certification for global manufacturing requirements

Professional Applications & Engineering Value

These 18-8 stainless steel sheet metal tapping screws deliver exceptional value in demanding industrial applications where corrosion resistance and structural integrity are paramount. The thread forming design eliminates the need for separate tapping operations, creating strong, load-bearing threads in materials up to 0.025" thickness. The A/AB tapping screw type with fully threaded right-hand configuration ensures rapid installation in HVAC systems, electrical enclosures, and metal fabrication projects. The combination of pan head design and square drive system provides reliable torque transmission while maintaining a low-profile appearance, making these fasteners ideal for applications where both performance and aesthetics matter in sheet metal assemblies.

Specification Summary & Compliance

This No. 8-15 x 1-3/4" sheet metal tapping screw features precision threading with standard inch measurements, including 0.164" thread diameter and 15 threads per inch. Manufactured to industry standards for thread forming tapping screws (Type A/AB) with right-hand threading direction. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global manufacturing applications. Designed for use with No. 29 drill bits (0.136" diameter) in sheet metal applications requiring maximum 0.025" drilling thickness.

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