S-90380A298 Length 2" Tapping Screws

Tapping Screws

0505FA00065 Tapping Screws
0505FA00065 Tapping Screws

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

Part No.
Part No. 0505FA00065
Equivalent to mcmaster :
90380A298

Basic Information

Tapping Screw Type TRS
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.322"
Head Height 0.115"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 2"
Shank Cross Section Tri-Lobe

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 16
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 23
Drill Bit Diameter 0.154"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Plastic
REACH Compliant
RoHS Compliant
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 zinc-plated steel construction, ensuring long-term reliability in various industrial environments
  • Excellent holding power in plastic materials thanks to the tri-lobe shank design that prevents back-out and provides secure fastening
  • Efficient thread forming technology creates strong, permanent threads in plastic without generating chips or debris
  • Wide compatibility with standard No. 23 drill bits (0.154" diameter) for simplified installation processes
  • Reliable Phillips No. 2 drive system enables secure torque transmission and reduces cam-out during installation
  • Full 2-inch threading coverage ensures maximum engagement depth and pull-out resistance in plastic applications
  • Environmental compliance assurance with RoHS 3 and REACH standards for sustainable manufacturing practices

Professional Applications & Engineering Value

These No. 8 x 2" zinc-plated steel TRS tapping screws are specifically engineered to address common fastening challenges in plastic applications across industrial and construction sectors. The thread forming technology combined with the tri-lobe shank cross-section creates exceptional resistance to vibration loosening and pull-out forces, making them ideal for automotive trim, electronic enclosures, and plastic fabrication assemblies. The zinc-plated steel material provides reliable corrosion protection while maintaining the necessary strength for durable plastic fastening. With their Phillips No. 2 drive and standardized dimensions, these screws offer consistent performance in high-volume production environments where reliability and installation efficiency are critical.

Specification Summary & Compliance

These thread forming TRS screws feature precise dimensional specifications including 0.164" thread diameter, 16 threads per inch, and standard Class 2A thread tolerances for consistent performance. The manufacturing process adheres to strict quality controls with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The product meets industry standards for tapping screw applications in plastic materials with recommended No. 23 drill bit preparation (0.154" diameter) for optimal thread formation and holding strength.

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