S-92470A389 Length 1 1/8" Tapping Screws

Tapping Screws

0402FA00178 Tapping Screws
0402FA00178 Tapping Screws

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

Part No.
Part No. 0402FA00178
Equivalent to mcmaster :
92470A389

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 1/8"
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, ideal for harsh industrial environments
  • Excellent thread-forming capability creates permanent, vibration-resistant threads in sheet metal up to 0.025" thickness
  • Optimized for No. 32 drill bits ensuring precise installation and reduced assembly time
  • Full threading with pointed tip provides maximum engagement and easier starting in pre-drilled holes
  • Phillips pan head design offers reliable drive performance and a low-profile finished appearance
  • Environmental compliance meets RoHS 3 and REACH standards for sustainable manufacturing
  • Right-hand threading ensures standard installation compatibility across industrial applications

Professional Applications & Engineering Value

These thread-forming tapping screws deliver exceptional value in sheet metal applications where vibration resistance and material integrity are critical. The 18-8 Stainless Steel composition provides inherent corrosion resistance, eliminating the need for additional coatings while maintaining strength in challenging environments. The A/AB thread type and fully threaded design create secure, permanent fastenings in materials up to 0.025" thickness, preventing loosening under dynamic loads. The combination of Phillips drive and pan head profile ensures efficient installation with standard tools while maintaining a clean, professional appearance. These industrial fasteners are specifically engineered to solve common assembly challenges in HVAC, electronics enclosures, and metal fabrication where reliable, long-lasting connections are essential.

Specification Summary & Compliance

This No. 6-18 x 1-1/8" tapping screw features precise dimensional accuracy with 0.138" thread diameter and 18 threads per inch. Manufactured to industry standards for A/AB tapping screw types with right-hand threading and fully threaded configuration. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.

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