S-95893A186 Length 20 mm Tapping Screws

Tapping Screws

0508FA00106 Tapping Screws
0508FA00106 Tapping Screws

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

Part No.
Part No. 0508FA00106
Equivalent to mcmaster :
95893A186

Basic Information

Tapping Screw Type TRS
System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 4.7 mm
Head Height 1.7 mm
Flat Head Profile Standard

Dimensions

Length 20 mm
Shank Cross Section Round

Thread Parameters

Screw Size M2.5
Approximate Thread Pitch 1.12 mm
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx
Drive Size T8
Drill Bit Size No. 45
Drill Bit Diameter 0.082"
Countersink Angle 90°
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless 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 T8 Torx drive to prevent cam-out and tool slippage during installation, ensuring reliable fastening in high-volume production.
  • Excellent corrosion resistance from 18-8 Stainless Steel material, providing long-term durability in humid or chemically exposed industrial environments.
  • Efficient thread forming design with TRS profile that creates strong, permanent threads in plastic materials without pre-tapping, reducing assembly time and costs.
  • Optimal plastic fastening performance with fully threaded M2.5 shank and 1.12mm pitch for maximum pull-out resistance and vibration resistance in plastic assemblies.
  • Flush mounting capability with standard 90° flat head profile that sits perfectly countersunk in plastic components for smooth, professional finishes.
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in electronic, automotive, and consumer product applications.
  • Precision dimensional control with metric specifications ensuring consistent performance and interchangeability in global manufacturing operations.

Professional Applications & Engineering Value

This M2.5 thread forming screw delivers exceptional engineering value in plastic fastening applications where vibration resistance and corrosion protection are critical. The TRS thread forming design eliminates the need for pre-tapped holes while creating stronger thread engagement in thermoplastic materials. The T8 Torx drive system provides up to 5x more torque transfer compared to Phillips drives, preventing stripping in automated assembly environments. Manufactured from 18-8 Stainless Steel, these flat head screws maintain integrity in outdoor electronics, automotive trim, and consumer appliances where moisture exposure would degrade inferior materials. The combination of fully threaded design and 1.12mm pitch ensures maximum holding power in brittle plastics where traditional machine screws would cause stress cracking.

Specification Summary & Compliance

This metric thread forming screw features M2.5 diameter with 20mm length and 1.12mm approximate thread pitch. The TRS tapping screw type utilizes thread forming method with blunt tip and right-hand threading. Manufactured to precise dimensional standards with 4.7mm head diameter and 1.7mm head height. Compatible with #45 drill bit (0.082") and 90° countersink angle. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for industrial and commercial applications.

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