S-95893A156 Length 1/2" Tapping Screws

Tapping Screws

0509FA00072 Tapping Screws
0509FA00072 Tapping Screws

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

Part No.
Part No. 0509FA00072
Equivalent to mcmaster :
95893A156

Basic Information

Tapping Screw Type TRS
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.162"
Head Height 0.051"
Flat Head Profile Standard

Dimensions

Length 1/2"
Shank Cross Section Tri-Lobe

Thread Parameters

Screw Size No. 2
Thread Diameter 0.086"
Approximate Threads per Inch 28
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx Plus
Drive Size IP6, T6
Drill Bit Size No. 48
Drill Bit Diameter 0.076"
Countersink Angle 82°
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 torque transmission with Torx Plus IP6 drive, reducing cam-out and tool wear for reliable fastening in plastic assemblies
  • Excellent corrosion resistance through zinc-plated steel construction, ensuring long-term performance in industrial environments
  • Secure thread forming in plastics with TRS tri-lobe shank design, creating strong, vibration-resistant threads without pre-tapping
  • Optimized for plastic applications featuring blunt tip and standard 82° countersink angle for clean, flush installations
  • Full 1/2" threading with 28 TPI provides maximum grip length and holding power in various plastic thicknesses
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in global markets
  • Precision dimensional control with No. 2 screw size and standardized flat head profile for consistent performance

Professional Applications & Engineering Value

Engineered specifically for plastic assembly applications, these No. 2 TRS thread forming screws solve critical challenges in modern manufacturing. The zinc-plated steel construction provides essential corrosion protection while maintaining the strength needed for durable plastic fastening. The innovative tri-lobe shank design displaces plastic material during installation, creating permanent, high-retention threads that resist vibration loosening – a common failure point in plastic assemblies. The Torx Plus IP6 drive system delivers exceptional torque transmission, preventing stripping and ensuring consistent seating force across production runs. This combination of thread forming technology and premium surface treatment makes these screws ideal for electronics enclosures, automotive plastic components, and consumer products where reliability and appearance matter.

Specification Summary & Compliance

This No. 2 zinc-plated steel TRS tapping screw features precision inch system dimensions including 1/2" length, 0.086" thread diameter, and 28 TPI thread pitch. The flat head with standard profile accommodates 82° countersink requirements, while the Torx Plus IP6 drive ensures accurate torque application. Manufactured to thread forming standards with fully threaded tri-lobe shank and blunt tip design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety and restricted substance control.

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