S-95641A242 Length 1/2" Tapping Screws

Tapping Screws

0423FA00009 Tapping Screws
0423FA00009 Tapping Screws

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

Part No.
Part No. 0423FA00009
Equivalent to mcmaster :
95641A242

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.11"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 10
Thread Diameter 0.19"
Approximate Threads per Inch 12
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Tri-Wing®
Drive Size No. 5
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
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 environments and long-term reliability.
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing assembly time and tooling costs.
  • Enhanced drive security with the Tri-Wing® drive system, providing greater torque transmission and reduced risk of cam-out compared to standard drives.
  • Optimized for sheet metal applications, with a pointed tip and fully threaded shank ensuring quick starts and secure fastening in materials up to 0.025" thick.
  • Broad material compatibility due to RoHS 3 and REACH compliance, making these screws suitable for various industrial and export-regulated projects.
  • Consistent performance with a No. 10 screw size, 12 TPI, and precise dimensions ensuring reliable fit and repeatable results in high-volume production.
  • Streamlined installation using a standard No. 21 drill bit (0.159" diameter), minimizing setup complexity and enhancing workflow efficiency.

Professional Applications & Engineering Value

This No. 10 Tri-Wing® tapping screw is engineered to address common challenges in sheet metal assembly, such as material fatigue and corrosion. The 18-8 Stainless Steel offers excellent resistance to rust and oxidation, crucial for outdoor or humid environments. Its thread forming technology displaces material rather than cutting it, resulting in stronger thread engagement and higher vibration resistance, which prevents loosening in dynamic applications. The Tri-Wing® drive ensures secure torque application, reducing tool slippage and damage to the fastener head. Ideal for HVAC systems, electronic enclosures, and automotive panels, this screw provides a durable, corrosion-resistant solution that maintains integrity under stress, streamlining maintenance and reducing lifecycle costs.

Specification Summary & Compliance

This fastener adheres to standard inch measurements with a thread diameter of 0.19" and 12 threads per inch, ensuring precise fit in sheet metal applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. The screw features a pan head with a No. 5 Tri-Wing® drive, right-hand threading, and is designed for use with a No. 21 drill bit (0.159" diameter), supporting a maximum drilling thickness of 0.025". Manufactured to consistent quality standards, it provides reliable performance in industrial fastening tasks.

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