S-95893A196 Length 20 mm Tapping Screws

Tapping Screws

0508FA00115 Tapping Screws
0508FA00115 Tapping Screws

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

Part No.
Part No. 0508FA00115
Equivalent to mcmaster :
95893A196

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 20 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 Torx
Drive Size T8
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 torque transmission with T8 Torx drive prevents cam-out and tool slippage during installation
  • Excellent corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
  • Efficient thread forming creates strong, permanent threads in plastic materials without chips or debris
  • Optimal flush mounting with standard flat head profile and 90° countersink angle for clean, professional finishes
  • Precise installation guidance with recommended No. 41 drill bit (0.096") for proper hole preparation
  • Full thread engagement along the 20mm length provides maximum holding power in plastic applications
  • Regulatory compliance meets RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

These M3 TRS thread forming screws are specifically engineered for plastic fastening applications where traditional cutting screws may cause material stress or cracking. The thread forming design displaces plastic material rather than removing it, creating stronger threads with reduced installation torque. The 18-8 stainless steel construction provides exceptional corrosion resistance for outdoor equipment, electronic enclosures, and automotive components exposed to moisture or chemicals. The T8 Torx drive system delivers superior torque transmission compared to Phillips or slotted drives, reducing operator fatigue and preventing damage to screw heads during high-volume assembly operations. The combination of 1.34mm pitch threading and blunt tip design ensures smooth engagement without material splitting, making these metric thread forming screws ideal for thin-walled plastic assemblies where structural integrity is critical.

Specification Summary & Compliance

These M3 x 20mm TRS tapping screws feature standard metric threading with fully threaded shank and right-hand thread direction. The flat head design incorporates a 90° countersink angle for flush mounting applications. Manufactured to precise dimensional standards with 5.5mm head diameter and 1.8mm head height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial manufacturing applications across global markets.

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