S-94155A163 Length 2 1/2" Tapping Screws

Tapping Screws

0407FA00040 Tapping Screws
0407FA00040 Tapping Screws

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

Part No.
Part No. 0407FA00040
Equivalent to mcmaster :
94155A163

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.473"
Head Height 0.175"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 2 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 14
Thread Diameter 0.242"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Square
Drive Size No. 3
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
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 harsh industrial environments
  • Excellent thread-forming capability with Type A/AB design creates secure, permanent threads in sheet metal without pre-drilling
  • Maximum holding power through fully threaded design and pointed tip for reliable fastening in thin materials
  • Easy installation and removal with square drive (No. 3) providing superior torque transmission and reduced cam-out
  • Optimized for sheet metal applications with precise 0.242" thread diameter and 10 threads per inch for secure fastening
  • Pan head design offers excellent bearing surface and professional appearance while accommodating standard drivers
  • Environmental compliance assurance with RoHS 3 and REACH compliance for global manufacturing requirements

Professional Applications & Engineering Value

These 18-8 stainless steel tapping screws deliver exceptional engineering value in sheet metal applications where corrosion resistance and structural integrity are critical. The thread forming technology (Type A/AB) eliminates the need for separate tapping operations, reducing assembly time and labor costs while creating strong, vibration-resistant connections. The fully threaded design with pointed tip ensures maximum thread engagement in materials up to 0.025" thickness, preventing stripping and maintaining clamp force under dynamic loads. Ideal for HVAC systems, electrical enclosures, and metal fabrication, these pan head tapping screws provide reliable performance where exposure to moisture, chemicals, or temperature variations would compromise ordinary fasteners.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 0.242" thread diameter and 10 threads per inch in right-hand threading configuration. Features Class 2A thread tolerance for consistent performance and square drive (No. 3) for secure tool engagement. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications worldwide. The thread forming Type A/AB design follows established industry standards for self-tapping fasteners in metal assemblies.

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