S-95893A255 Length 1/2" Tapping Screws

Tapping Screws

0509FA00077 Tapping Screws
0509FA00077 Tapping Screws

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

Part No.
Part No. 0509FA00077
Equivalent to mcmaster :
95893A255

Basic Information

Tapping Screw Type TRS
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.262"
Head Height 0.083"
Flat Head Profile Standard

Dimensions

Length 1/2"
Shank Cross Section Tri-Lobe

Thread Parameters

Screw Size No. 6
Thread Diameter 0.138"
Approximate Threads per Inch 19
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx Plus
Drive Size IP10, T10
Drill Bit Size No. 32
Drill Bit Diameter 0.116"
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
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Enhanced torque transmission with Torx Plus IP10 drive, reducing cam-out and tool wear for reliable fastening in plastic assemblies.
  • Superior corrosion resistance from zinc-plated steel, ensuring long-term durability in industrial environments.
  • Efficient thread forming with TRS Tri-Lobe shank design, creating strong, vibration-resistant threads in plastic without pre-tapping.
  • Flush, professional finish thanks to the standard 82° flat head and countersink angle, ideal for applications requiring a smooth surface.
  • Full threading for maximum grip along the 1/2" length, providing consistent holding power across the entire fastener engagement.
  • Broad material compatibility specifically engineered for use in various plastics, reducing the risk of material cracking or stress.
  • Regulatory peace of mind with compliance to RoHS 3 and REACH, meeting stringent environmental and safety standards for global supply chains.

Professional Applications & Engineering Value

These No. 6 zinc-plated steel tapping screws are precision-engineered to address common challenges in plastic assembly, such as strip-out and material fatigue. The TRS thread forming design with a Tri-Lobe shank cross-section displaces plastic material to form strong, permanent threads, eliminating the need for drilled holes and reducing installation time. The Torx Plus IP10 (T10) drive ensures high torque transmission with minimal slippage, crucial for automated or high-volume production lines. Combined with a flat head and 82° countersink, these screws provide a secure, flush fit in plastic enclosures, electronic housings, and automotive trim, enhancing both structural integrity and aesthetic appeal. Ideal for industrial fasteners in consumer electronics, automotive components, and appliance manufacturing, they deliver reliable performance where precision and durability are paramount.

Specification Summary & Compliance

This thread forming screw features a No. 6 size with a 0.138" thread diameter and approximately 19 threads per inch, fully threaded along a 1/2" length. It adheres to standard inch measurements and is designed with a blunt tip and right-hand thread direction for consistent installation. The product is manufactured to meet industry specifications for TRS tapping screw types and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial applications.

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