S-95893A185 Length 18 mm Tapping Screws

Tapping Screws

0508FA00105 Tapping Screws
0508FA00105 Tapping Screws

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

Part No.
Part No. 0508FA00105
Equivalent to mcmaster :
95893A185

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 18 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 corrosion resistance with 18-8 stainless steel construction, ensuring longevity in humid or demanding industrial environments
  • Enhanced torque transmission via T8 Torx drive, reducing cam-out risk and tool wear for consistent installation
  • Efficient thread forming in plastics with TRS design, creating strong, vibration-resistant threads without pre-tapping
  • Flush, professional finish achieved with 90° countersink angle and flat head profile for seamless integration
  • Optimized for plastic assemblies using No. 45 drill bit (0.082"), ensuring precise pilot holes and material integrity
  • Full 18mm threading provides maximum grip length and uniform load distribution in plastic substrates
  • Compliance with global standards including RoHS 3 and REACH, meeting stringent environmental and safety regulations

Professional Applications & Engineering Value

This M2.5 TRS thread forming screw is engineered specifically for plastic applications where material integrity and assembly efficiency are critical. The 18-8 stainless steel composition resists oxidation and chemical exposure, ideal for electronics enclosures, automotive trim, and outdoor equipment. The T8 Torx drive delivers superior torque control, preventing stripping in soft plastics while the blunt tip and 1.12mm pitch facilitate smooth thread formation without cracking brittle polymers. With fully threaded design and standard flat head profile, it ensures uniform stress distribution and flush mounting in countersunk holes, reducing assembly time and improving product longevity in high-vibration environments.

Specification Summary & Compliance

Manufactured to precise metric dimensions (M2.5 x 18mm) with fully threaded right-hand configuration and 1.12mm approximate pitch. Designed for use with No. 45 drill bit (0.082") and 90° countersink angle. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.

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