S-94209A120 8-32 x 3/4" Tapping Screws

Tapping Screws

0499FA00017 Tapping Screws
0499FA00017 Tapping Screws

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

Part No.
Part No. 0499FA00017
Equivalent to mcmaster :
94209A120

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.322"
Head Height 0.115"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/4"
Length Tolerance -0.03" to 0"
Shank Cross Section Tri-Lobe

Thread Parameters

Thread Type UNC
Thread Size 8-32
Screw Size No. 8
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx Plus
Drive Size IP20, T20
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Aluminum, Brass, Copper
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 zinc-plated steel construction, extending service life in demanding industrial environments
  • Maximum torque transmission and reduced cam-out with Torx Plus IP20 drive, ensuring efficient installation and tool longevity
  • Excellent thread-forming capability in aluminum, brass, and copper, creating strong, reliable threads without pre-tapped holes
  • Enhanced pull-out resistance thanks to the Tri-Lobe shank design, providing superior holding power in soft materials
  • Simplified installation process with No. 29 drill bit compatibility and UNC coarse threads for quick assembly
  • Secure, vibration-resistant fastening with fully threaded design and pan head style for consistent clamping force
  • Compliance with international environmental standards including RoHS 3 and REACH, ensuring workplace safety and regulatory acceptance

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional engineering value for professionals working with aluminum, brass, and copper components. The thread forming design eliminates the need for pre-tapped holes, reducing installation time and labor costs while creating stronger, more reliable threads in soft metals. The Torx Plus IP20 drive system addresses common installation challenges by providing superior torque transmission without cam-out, preventing damage to fastener heads and ensuring consistent seating. The Tri-Lobe shank cross-section enhances resistance to vibration loosening, making these 8-32 UNC coarse thread screws ideal for industrial applications where reliability is critical. With full threading and blunt tip design, these fasteners offer predictable performance in automated assembly environments.

Specification Summary & Compliance

This 8-32 x 3/4" tapping screw features precision UNC coarse threads with standard thread tolerances and a length tolerance of -0.03" to 0". Manufactured to exacting standards with zinc-plated steel construction and Torx Plus IP20 drive compatibility. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. Designed for use with No. 29 drill bits (0.136" diameter) in thread forming applications for aluminum, brass, and copper materials.

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