S-94065A301 Length 2" Tapping Screws

Tapping Screws

0421FA00018 Tapping Screws
0421FA00018 Tapping Screws

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

Part No.
Part No. 0421FA00018
Equivalent to mcmaster :
94065A301

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.425"
Head Height 1/8"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 12
Thread Diameter 0.216"
Approximate Threads per Inch 11
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Drilled Spanner
Drive Size No. 12
Drill Bit Size 3/16"
Drill Bit Diameter 0.1875"
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 for long-lasting performance in demanding environments
  • Efficient thread forming technology creates strong, permanent threads in sheet metal without requiring pre-tapped holes
  • Maximum holding power through fully threaded design that distributes load evenly across the entire fastener length
  • Secure installation and removal with drilled spanner drive that prevents cam-out and provides reliable torque transmission
  • Quick, precise alignment thanks to pointed tip design that self-centers and starts threads accurately
  • Wide compatibility with standard 3/16" drill bits and 0.025" maximum drilling thickness for common sheet metal applications
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable manufacturing

Professional Applications & Engineering Value

These No. 12 x 2" 18-8 stainless steel tapping screws deliver exceptional value in sheet metal assembly applications where corrosion resistance and structural integrity are paramount. The thread forming design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs while creating stronger, more reliable threads that won't strip under vibration or load. The fully threaded configuration ensures maximum engagement throughout the material thickness, providing superior pull-out resistance compared to partially threaded alternatives. With their drilled spanner drive and pointed tip, these fasteners enable precise alignment and secure installation in tight spaces, making them ideal for HVAC systems, electrical enclosures, automotive components, and industrial equipment where sheet metal fastening demands both durability and installation efficiency.

Specification Summary & Compliance

These tapping screws feature precise 0.216" thread diameter with 11 threads per inch in a right-hand thread direction. The pan head design with 0.425" head diameter and 1/8" head height provides a low-profile finish with excellent bearing surface. Manufactured to thread forming standards (Type A/AB) for optimal performance in sheet metal applications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries and applications.

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