S-99461A935 Length 16 mm Tapping Screws

Tapping Screws

0503FA00081 Tapping Screws
0503FA00081 Tapping Screws

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

Part No.
Part No. 0503FA00081
Equivalent to mcmaster :
99461A935

Basic Information

Tapping Screw Type TRS
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 4.4 mm
Head Height 1.8 mm
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 16 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 Phillips
Drive Size No. 1
Drill Bit Size No. 45
Drill Bit Diameter 0.082"
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 long-term reliability in humid or demanding industrial environments.
  • Excellent thread-forming capability with TRS design, creating strong, permanent threads in plastic materials without pre-tapping for faster assembly.
  • Secure drive engagement through Phillips No. 1 drive style, reducing cam-out risks and providing consistent torque application during installation.
  • Optimal material compatibility with plastic substrates, minimizing stress cracking while delivering maximum holding power in plastic assemblies.
  • Full 16mm threading with 1.12mm pitch, ensuring complete engagement along the entire length for superior pull-out resistance.
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards, making these screws suitable for regulated industries and international markets.
  • Streamlined installation process with standardized pan head profile and blunt tip, facilitating quick alignment and preventing material damage during fastening.

Professional Applications & Engineering Value

These M2.5 tapping screws deliver exceptional engineering value in plastic fastening applications where material integrity and long-term performance are critical. The 18-8 stainless steel composition provides inherent corrosion resistance, eliminating concerns about rust in outdoor equipment, electronic enclosures, or automotive components. The thread-forming TRS design creates precise mating threads in plastic substrates without generating chips, preventing contamination in sensitive assemblies. This Phillips pan head configuration offers a balance between low-profile aesthetics and sufficient drive engagement, while the fully threaded M2.5 x 16mm specification ensures maximum surface contact for vibration-resistant connections in plastic assemblies, electronic housings, and consumer products requiring reliable, maintenance-free fastening solutions.

Specification Summary & Compliance

These metric tapping screws feature M2.5 diameter with 16mm length and 1.12mm approximate thread pitch, utilizing thread forming TRS technology for plastic applications. The screws maintain standard dimensional tolerances for consistent performance and include RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring they meet current environmental regulations for industrial use across global markets.

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