S-94629A140 Length 1/2" Tapping Screws

Tapping Screws

0517FA00004 Tapping Screws
0517FA00004 Tapping Screws

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

Part No.
Part No. 0517FA00004
Equivalent to mcmaster :
94629A140

Basic Information

Tapping Screw Type 25/BT
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.167"
Head Height 0.062"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 2
Thread Diameter 0.086"
Approximate Threads per Inch 32
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Phillips
Drive Size No. 1
Drill Bit Size No. 49
Drill Bit Diameter 0.073"
Tapping Method Thread Cutting

Material & Strength

Material 410 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 410 stainless steel construction, ensuring long-lasting performance in demanding environments
  • Effortless installation in plastic materials thanks to the thread cutting design that creates precise mating threads without pre-tapping
  • High-torque driving capability with the No. 2 Phillips pan head, providing a secure grip and reducing cam-out during assembly
  • Optimized for No. 49 drill bits, ensuring perfect pilot hole compatibility and preventing material stress in plastic applications
  • Full 1/2" length threading delivers maximum grip and holding power across the entire fastener engagement area
  • 32 TPI precision threads provide fine pitch control for secure fastening in brittle or thin plastic components
  • Global compliance assurance with RoHS 3 and REACH regulations, meeting international environmental and safety standards

Professional Applications & Engineering Value

These No. 2 Phillips pan head tapping screws are specifically engineered for plastic assembly applications where material integrity and corrosion resistance are critical. The 410 stainless steel composition provides excellent durability while the thread cutting design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs. The blunt tip and precise 32 TPI threading prevent plastic cracking and material stress during installation, making them ideal for electronic enclosures, automotive trim components, and consumer products where plastic fastening reliability is paramount. The fully threaded configuration ensures uniform stress distribution and maximum pull-out resistance in various plastic substrates.

Specification Summary & Compliance

Manufactured to inch system standards with Class 2A thread tolerances for consistent performance. Features include right-hand threading, 0.086" thread diameter, and fully threaded shank design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. The screw is optimized for use with No. 49 drill bits (0.073" diameter) and follows industry-standard tapping screw type 25/BT specifications for plastic applications.

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