S-90184A471 Length 1 1/2" Tapping Screws

Tapping Screws

0403FA00055 Tapping Screws
0403FA00055 Tapping Screws

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

Part No.
Part No. 0403FA00055
Equivalent to mcmaster :
90184A471

Basic Information

Type Rounded
Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Diameter 0.425"
Head Height 0.151"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1 1/2"
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 Phillips
Drive Size No. 3
Drill Bit Size 3/16"
Drill Bit Diameter 0.1875"
Tapping Method Thread Forming

Material & Strength

Material 316 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 316 stainless steel construction for long-lasting performance in harsh industrial environments
  • Secure thread-forming installation creates permanent, vibration-resistant threads in sheet metal without chips or debris
  • Optimized drive engagement with Phillips No. 3 drive style for efficient installation and reduced cam-out risk
  • Full-length threading ensures maximum grip strength and consistent holding power across the entire fastener length
  • Precision dimensional compatibility with standard 3/16" drill bits for streamlined installation processes
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing
  • Versatile pan head design provides a balanced profile for various sheet metal thicknesses and applications

Professional Applications & Engineering Value

Engineered for demanding sheet metal applications, these 316 stainless steel tapping screws deliver exceptional value through their thread forming technology that eliminates the need for separate tapping operations. The fully threaded design ensures maximum pull-out resistance in thin materials up to 0.025" thickness, while the Phillips drive system enables efficient high-volume installation. The pan head configuration offers optimal clamping force distribution, making these industrial screws ideal for HVAC systems, electronic enclosures, and metal fabrication where corrosion resistance and structural integrity are critical. Their compatibility with standard 3/16" drill bits simplifies inventory management and reduces installation time in production environments.

Specification Summary & Compliance

This No. 12 x 1-1/2" tapping screw features a 0.216" thread diameter with 11 threads per inch, manufactured to precise dimensional standards for consistent performance. The thread forming design (Type A/AB) creates strong, permanent threads in sheet metal substrates. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are met. The screw's right-hand threading and pointed tip facilitate smooth installation in pre-drilled 0.1875" holes, providing reliable fastening solutions for industrial metalworking applications.

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