S-90485A438 Length 5 mm Tapping Screws

Tapping Screws

0508FA00050 Tapping Screws
0508FA00050 Tapping Screws

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

Part No.
Part No. 0508FA00050
Equivalent to mcmaster :
90485A438

Basic Information

Tapping Screw Type TRS
System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 5.5 mm
Head Height 1.8 mm
Flat Head Profile Standard

Dimensions

Length 5 mm
Shank Cross Section Round

Thread Parameters

Screw Size M3
Approximate Thread Pitch 1.34 mm
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 41
Drill Bit Diameter 0.096"
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 material, ensuring long-term reliability in various environments without rust or degradation.
  • Efficient thread forming design with TRS type and 1.34mm pitch, reducing installation effort and preventing material cracking in plastic assemblies.
  • Secure and flush mounting thanks to the flat head with a 90° countersink angle, providing a smooth finish and enhanced aesthetic appeal.
  • Easy and precise driving with No. 2 Phillips drive, minimizing cam-out and speeding up assembly processes for increased productivity.
  • Full threading for maximum grip across the entire 5mm length, ensuring strong holding power and vibration resistance in plastic components.
  • Compliance with environmental standards including RoHS 3 and REACH, making these screws safe for use in regulated industries and global markets.
  • Optimized for plastic materials with a blunt tip and standard drill bit size (No. 41), reducing the risk of damage during installation and improving joint integrity.

Professional Applications & Engineering Value

These M3 x 5mm tapping screws are specifically engineered for plastic applications, where traditional fasteners may cause stress cracking or poor retention. Made from 18-8 stainless steel, they offer excellent strength and corrosion resistance, ideal for electronics, automotive interiors, and consumer goods. The TRS thread forming design and 1.34mm pitch create strong, precise threads in plastic without pre-tapping, reducing assembly time and tool wear. The Phillips flat head with a 90° countersink angle ensures a clean, flush fit, preventing protrusions and enhancing safety. By addressing common issues like material fatigue and loosening, these screws deliver reliable performance in demanding plastic assembly environments, backed by full threading and standardized dimensions for consistent results.

Specification Summary & Compliance

This product adheres to precise metric dimensions, including M3 screw size, 5mm length, and standard thread pitch of 1.34mm for consistent fit. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The flat head profile and threading are manufactured to industry standards, supporting reliable performance in plastic materials with recommended drill bit size No. 41 for optimal installation.

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