S-92470A391 Length 1 1/4" Tapping Screws

Tapping Screws

0402FA00179 Tapping Screws
0402FA00179 Tapping Screws

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

Part No.
Part No. 0402FA00179
Equivalent to mcmaster :
92470A391

Basic Information

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

Head Parameters

Head Diameter 0.296"
Head Height 0.106"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1 1/4"
Shank Cross Section Round

Thread Parameters

Screw Size No. 7
Thread Diameter 0.151"
Approximate Threads per Inch 16
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 30
Drill Bit Diameter 0.1285"
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
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and tooling.
  • Optimized for sheet metal up to 0.025" thickness, ensuring secure fastening in thin materials with minimal risk of stripping or material damage.
  • Reliable Phillips drive (No. 2) provides common tool compatibility and controlled torque application during installation.
  • Fully threaded shank and pointed tip for quick starting and consistent engagement across the entire fastener length.
  • Pan head profile offers a low-profile, rounded finish that sits flush for a clean appearance and reduced snagging.
  • Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible materials for industrial use.

Professional Applications & Engineering Value

This No. 7-16 thread forming tapping screw is engineered to address common challenges in sheet metal assembly, such as material fatigue and corrosion. The 18-8 stainless steel provides excellent resistance to rust and oxidation, extending service life in demanding conditions. Its thread forming (Type A/AB) design displaces material to form precise internal threads, eliminating the need for separate tapping operations and reducing labor costs. The combination of a Phillips drive and fully threaded shank ensures quick, secure installation with standard tools, making it ideal for high-volume production lines in HVAC, electronics enclosures, and automotive components where corrosion-resistant fasteners are critical.

Specification Summary & Compliance

This screw features a No. 7-16 thread with a diameter of 0.151" and 16 threads per inch, following standard inch measurements for consistent fit. The pan head has a diameter of 0.296" and height of 0.106", designed for flush mounting. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to industrial safety and environmental standards. Use with a No. 30 drill bit (0.1285" diameter) for optimal performance in sheet metal up to 0.025" thickness.

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