S-94155A127 Length 2" Tapping Screws

Tapping Screws

0407FA00021 Tapping Screws
0407FA00021 Tapping Screws

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

Part No.
Part No. 0407FA00021
Equivalent to mcmaster :
94155A127

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 2"
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
  • Excellent thread-forming capability with Type A/AB design creates strong, permanent threads in sheet metal without pre-tapping
  • Secure installation and removal with No. 2 square drive that prevents cam-out and provides positive torque transmission
  • Maximum material penetration with fully threaded design and pointed tip for easier starting and consistent fastening performance
  • Optimized for sheet metal applications with precise 0.164" thread diameter and 15 threads per inch for reliable holding power
  • Regulatory compliance assurance with RoHS 3 and REACH compliance for global industrial applications
  • Time-saving installation with compatible No. 29 drill bit (0.136" diameter) for efficient assembly processes

Professional Applications & Engineering Value

These 18-8 stainless steel sheet metal tapping screws deliver exceptional performance in demanding industrial applications where corrosion resistance and reliable fastening are critical. The thread forming Type A/AB design eliminates the need for pre-tapped holes, creating strong, permanent threads in sheet metal up to 0.025" thickness. The combination of fully threaded construction and pointed tip ensures quick starting and consistent engagement throughout the material thickness. The pan head with No. 2 square drive provides superior torque transmission without stripping, making these screws ideal for HVAC systems, electrical enclosures, automotive components, and metal fabrication where vibration resistance and long-term durability are essential. Their compliance with international environmental standards makes them suitable for global supply chain requirements.

Specification Summary & Compliance

These No. 8-15 x 2" tapping screws feature precise 0.164" thread diameter with 15 threads per inch and Class 2A thread fit for reliable performance. The screws are manufactured to Type A/AB thread forming standards with right-hand threading and are designed for use with No. 29 drill bit (0.136" diameter). Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and global market acceptance for industrial fastening applications.

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