S-92470A148 Length 1/2" Tapping Screws

Tapping Screws

0402FA00074 Tapping Screws
0402FA00074 Tapping Screws

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

Part No.
Part No. 0402FA00074
Equivalent to mcmaster :
92470A148

Basic Information

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

Head Parameters

Head Diameter 0.27"
Head Height 0.097"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 6
Thread Diameter 0.138"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 32
Drill Bit Diameter 0.116"
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, ensuring long-lasting performance in demanding environments
  • Efficient thread forming with Type A design that creates strong, permanent threads in sheet metal without pre-tapping
  • Optimized drive engagement through Phillips No. 2 drive style, providing reliable torque transfer and reduced cam-out risk
  • Enhanced material flow from the pointed tip design, facilitating easier insertion and reduced installation effort
  • Maximum thread engagement with fully threaded shank, delivering superior holding power across the entire fastener length
  • Precision compatibility with No. 32 drill bits (0.116" diameter) for clean installations in materials up to 0.025" thickness
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

These Type A thread forming screws deliver exceptional value in sheet metal applications where reliable fastening is critical. The 18-8 stainless steel composition provides excellent resistance to corrosion and oxidation, making these tapping screws ideal for HVAC systems, electronic enclosures, and industrial equipment exposed to harsh conditions. The thread forming design eliminates the need for separate tapping operations, reducing assembly time and labor costs while creating strong, vibration-resistant connections. The Phillips pan head configuration offers a low-profile finish that sits flush against surfaces, while the fully threaded construction ensures maximum pull-out resistance. These industrial fasteners solve common installation challenges by combining the durability of stainless steel with the efficiency of self-forming threads.

Specification Summary & Compliance

This No. 6-18 x 1/2" tapping screw features precision right-hand threads with 18 TPI and 0.138" thread diameter, manufactured to industry standards for consistent performance. The fastener maintains dimensional accuracy with a pan head diameter of 0.27" and overall length of 1/2". Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmentally responsible manufacturing and material sourcing, meeting the strictest international standards for hazardous substance restrictions.

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